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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 1086. Отображено 181.
15-08-2017 дата публикации

Signaling for downlink coordinated multipoint in a wireless communication system

Номер: US0009736780B2
Автор: Kamran Etemad, Alexei Davydov, ETEMAD KAMRAN, DAVYDOV ALEXEI, Etemad Kamran, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

Embodiments herein describe apparatuses, systems, and methods for signaling to support downlink coordinated multipoint (CoMP) communications with a user equipment (UE) in a wireless communication network. In embodiments, the UE may be configured with a plurality of channel state information (CSI) processes (e.g., via radio resource control (RRC) signaling) to use for providing CSI feedback to an evolved Node B (eNB) to support downlink CoMP communications. The UE may be configured with a plurality of sets of CSI processes. The UE may further receive a downlink control information (DCI) message from the eNB that indicates one of the configured sets of CSI processes on which the UE is to provide CSI feedback to the UE. The UE may generate the CSI feedback for the indicated set of CSI processes, and transmit the CSI feedback to the eNB in a CSI report.

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Номер записи: 1
15-08-2017 дата публикации

Apparatus, method, and system of inter-node communication

Номер: US0009736834B2
Автор: Alexei Davydov, Alexander Maltsev, Gregory Morozov, Alexander Sirotkin, DAVYDOV ALEXEI, MALTSEV ALEXANDER, MOROZOV GREGORY, SIROTKIN ALEXANDER, Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sirotkin Alexander
Принадлежит: INTEL CORPORATION, INTEL CORP

Some demonstrative embodiments include devices, systems and/or methods of inter-node communication. For example, a first node may communicate with a second node, e.g., via a backhaul link, one or more messages including a restriction recommendation and/or a restriction setting, for example, a precoding restriction, a Relative Narrowband TX Power indication (RNTP) setting, and/or a Relative Wideband Transmit Power (RWTP) setting.

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Номер записи: 2
16-08-2016 дата публикации

Beamforming using base and differential codebooks

Номер: US0009419694B2
Автор: Yuan Zhu, Qinghua Li, Xintian E. Lin, Huaning Niu, Alexei Davydov, ZHU YUAN, LI QINGHUA, LIN XINTIAN E, NIU HUANING, DAVYDOV ALEXEI, Zhu Yuan, Li Qinghua, Lin Xintian E., Niu Huaning, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.

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Номер записи: 3
01-01-2014 дата публикации

Reference signal generation and determining reference signal resource allocation

Номер: CN103493411A
Автор: Zhu Yuan, Davydov Alexei, Chen Xiaogang, Niu Huaning, Fwu Jong-Kae
Принадлежит:

Various embodiments include devices, methods, computer-readable media and system configurations for reference signal generation and resource allocation. In various embodiments, a wireless communication device may include a control module, which may be operated by a processor and configured to transmit to a user equipment ("UE") device, over a wireless communication interface, a parameter specific to the UE device; wherein the parameter is usable by the eNB to generate a user equipment-specific reference signal ("UE-RS") to be sent to the UE device. The parameter may be usable by the UE device to identify the UE-RS to facilitate demodulation of multiple-input, multiple-output communications. In various embodiments, a control module may be configured to store, in memory, priority rules, and to determine a UE-RS resource allocated to another UE device based on a UE-RS resource allocated to the UE device and the priority rules.

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Номер записи: 4
14-02-2017 дата публикации

Reference signal configuration for coordinated multipoint

Номер: US9572063B2
Автор: ETEMAD KAMRAN, DAVYDOV ALEXEI, MOROZOV GREGORY, BOLOTIN ILYA, Etemad Kamran, Davydov Alexei, Morozov Gregory, Bolotin Ilya
Принадлежит: INTEL CORP, Intel Corporation

Coordinated Multipoint (CoMP) involves multiple transmission points or cells coordinating their individual transmissions so that a target user equipment (UE) experiences enhanced signal reception and/or reduced interference. In order to optimally implement downlink CoMP, a serving cell needs to obtain channel state information (CSI) for the downlink channels from the multiple transmission points to the UE. This disclosure deals with radio resource control (RRC) signaling for configuring the UE to obtain and report CSI for those downlink channels.

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Номер записи: 5
10-10-2017 дата публикации

Enhanced node B and methods for network assisted interference cancellation with reduced signaling

Номер: US0009787444B2
Автор: Jan Ellenbeck, Sabine Roessel, Bernhard Raaf, Thorsten Clevorn, Stefan Franz, Alexei Davydov, ELLENBECK JAN, ROESSEL SABINE, RAAF BERNHARD, CLEVORN THORSTEN, FRANZ STEFAN, DAVYDOV ALEXEI, Ellenbeck Jan, Roessel Sabine, Raaf Bernhard, Clevorn Thorsten, Franz Stefan, Davydov Alexei
Принадлежит: Intel IP Corporation, INTEL IP CORP

Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message.

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Номер записи: 6
19-09-2017 дата публикации

Apparatus, system and method of steering an antenna array

Номер: US9768501B2
Автор: MALTSEV ALEXANDER, SADRI ALI S, DAVYDOV ALEXEI, SERGEYEV VADIM, PUDEYEV ANDREY, Maltsev Alexander, Sadri Ali S., Davydov Alexei, Sergeyev Vadim, Pudeyev Andrey
Принадлежит: INTEL CORP, Intel Corporation

Some demonstrative embodiments include apparatuses, devices systems and/or methods of steering an antenna array. For example, an apparatus may include a baseband processor including a plurality of baseband processing chains to process signals to be communicated via a plurality of antenna modules of an antenna array, wherein the baseband processing chains include a plurality of frequency domain delay modules, a frequency domain delay module of the delay modules is to apply a time delay to a signal to be communicated via an antenna module of the plurality of antenna modules.

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Номер записи: 7
27-06-2017 дата публикации

Using multiple frequency bands with beamforming assistance in a wireless network

Номер: US0009692459B2
Автор: Alexander Maltsev, Ali S. Sadri, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, SADRI ALI S, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Sadri Ali S., Sergeyev Vadim, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

A communication device communicates with other communication devices in a wireless network using a first and a second frequency band. In accordance with some embodiments, inter-band beamforming assistance may be provided by the lower frequency band.

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Номер записи: 8
22-06-2017 дата публикации

APPARATUS, SYSTEM AND METHOD OF WIRELESS BACKHAUL AND ACCESS COMMUNICATION VIA A COMMON ANTENNA ARRAY

Номер: US20170180028A1
Автор: Alexander Maltsev, Ali S. Sadri, Reza Arefi, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, SADRI ALI S, AREFI REZA, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Sadri Ali S., Arefi Reza, Sergeyev Vadim, Davydov Alexei
Принадлежит:

Some demonstrative embodiments include apparatuses, systems and/or methods of wireless backhaul and access communication via a common antenna array. For example, an apparatus may include a wireless communication unit to control an antenna array to form one or more first beams for communicating over one or more access links and to form one or more second beams for communicating over one or more backhaul links, the access links including wireless communication links between a wireless communication node and one or more mobile devices, and the backhaul links including wireless communication links between the wireless node and one or more other wireless communication nodes.

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Номер записи: 9
20-04-2017 дата публикации

METHOD AND SYSTEM FOR BEAM ALIGNMENT ON DIRECTIONAL WIRELESS LINKS

Номер: US20170111095A1
Автор: Alexander Maltsev, Gregory Morozov, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, MOROZOV GREGORY, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim, Davydov Alexei
Принадлежит:

Embodiments of a system and method for simultaneous high-speed multi-user beam tracking in a Wireless Network are generally described herein. A transmitting station (STA) may be configured to support directional wireless links with multiple receiving STAs in a high-mobility millimeter-wave (mm Wave) wireless network. The transmitting STA may include hardware processing circuitry configured to, for each of the multiple receiving STAs, transmit a packet over a directional wireless link between the transmitting STA and the receiving STA and receive transmit antenna performance metrics from the receiving STA. The packet may include a data portion, a receive training sequence, and a transmit training sequence that occupy different portions of the packet, and the transmission of the packet over the directional wireless link may include transmission of the data portion of the packet according to a current transmit antenna direction associated with the directional wireless link.

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Номер записи: 10
07-11-2017 дата публикации

Method and system for beam alignment on directional wireless links

Номер: US0009813131B2
Автор: Alexander Maltsev, Gregory Morozov, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, MOROZOV GREGORY, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of a system and method for simultaneous high-speed multi-user beam tracking in a Wireless Network are generally described herein. A transmitting station (STA) may be configured to support directional wireless links with multiple receiving STAs in a high-mobility millimeter-wave (mm Wave) wireless network. The transmitting STA may include hardware processing circuitry configured to, for each of the multiple receiving STAs, transmit a packet over a directional wireless link between the transmitting STA and the receiving STA and receive transmit antenna performance metrics from the receiving STA. The packet may include a data portion, a receive training sequence, and a transmit training sequence that occupy different portions of the packet, and the transmission of the packet over the directional wireless link may include transmission of the data portion of the packet according to a current transmit antenna direction associated with the directional wireless link.

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Номер записи: 11
07-03-2017 дата публикации

User equipment and methods for CSI enhancements using interference cancellation and suppression receivers

Номер: US0009590713B2
Автор: Alexei Davydov, Gi Wan Choi, Gregory Morozov, Vadim Sergeyev, Ilya Bolotin, DAVYDOV ALEXEI, CHOI GI WAN, MOROZOV GREGORY, SERGEYEV VADIM, BOLOTIN ILYA, Davydov Alexei, Choi Gi Wan, Morozov Gregory, Sergeyev Vadim, Bolotin Ilya
Принадлежит: Intel Corporation, INTEL CORP

In providing feedback to an eNB in an LTE network for downlink scheduling and link adaptation, a UE issues a channel state information (CSI) report that includes a channel quality index (CQI). The reported CQI should include all UE receiver processing capabilities, including NAICS (network assisted interference cancellation and suppression) capability to cancel and suppress interference. Described are measures that may be taken to provide more accurate reporting of CSI by a terminal with NAICS capability.

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Номер записи: 12
20-02-2018 дата публикации

Interference averaging and interference resource groups in a wireless communication system

Номер: US0009900033B2
Автор: Alexei Davydov, Gregory Morozov, Kamran Etemad, Vadim Sergeyev, Ilya Bolotin, Jong-Kae Fwu, DAVYDOV ALEXEI, MOROZOV GREGORY, ETEMAD KAMRAN, SERGEYEV VADIM, BOLOTIN ILYA, FWU JONG KAE, Davydov Alexei, Morozov Gregory, Etemad Kamran, Sergeyev Vadim, Bolotin Ilya, Fwu Jong-Kae
Принадлежит: Intel Corporation, INTEL CORP

Methods, apparatuses, and systems are described related to interference averaging to generate feedback information and interference averaging to demodulate receives signals. In embodiments, an evolved Node B (eNB) may transmit interference averaging information to a user equipment (UE) including a time domain averaging indicator indicating a time domain averaging window to be used by the UE for averaging interference measurements in a time domain or a frequency domain averaging indicator to indicate a frequency domain averaging window to be used by the UE for averaging interference measurements in a frequency domain. Additionally, or alternatively, the eNB may transmit an interference resource group (IRG) indicator to the UE to indicate an IRG over which the UE is to perform interference averaging to facilitate demodulation of signals received by the UE from the eNB.

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Номер записи: 13
30-08-2016 дата публикации

Dynamic point selection via a coordinating set of base stations

Номер: US0009432093B2
Автор: Alexander Sirotkin, Alexei Davydov, SIROTKIN ALEXANDER, DAVYDOV ALEXEI, Sirotkin Alexander, Davydov Alexei
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Examples are disclosed for coordinating transmission of one or more protocol data units to a wireless device from a coordinating set of base stations. In some examples, coordinating may include exchanging information via a backhaul communication channel coupling or interconnecting the base stations included in the coordinating set of base stations. For these examples, one or more protocol data units may be transmitted to the wireless device from the coordinating set of base stations via a plurality of separate communication links based on the exchanged information. Other examples are described and claimed.

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Номер записи: 14
08-09-2016 дата публикации

SIGNALING FOR DOWNLINK COORDINATED MULTIPOINT IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20160261387A1
Автор: Kamran Etemad, Alexei Davydov, ETEMAD KAMRAN, DAVYDOV ALEXEI, Etemad Kamran, Davydov Alexei
Принадлежит:

Embodiments herein describe apparatuses, systems, and methods for signaling to support downlink coordinated multipoint (CoMP) communications with a user equipment (UE) in a wireless communication network. In embodiments, the UE may be configured with a plurality of channel state information (CSI) processes (e.g., via radio resource control (RRC) signaling) to use for providing CSI feedback to an evolved Node B (eNB) to support downlink CoMP communications. The UE may be configured with a plurality of sets of CSI processes. The UE may further receive a downlink control information (DCI) message from the eNB that indicates one of the configured sets of CSI processes on which the UE is to provide CSI feedback to the UE. The UE may generate the CSI feedback for the indicated set of CSI processes, and transmit the CSI feedback to the eNB in a CSI report.

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Номер записи: 15
10-01-2017 дата публикации

Periodic channel state information reporting for coordinated multipoint (coMP) systems

Номер: US0009544801B2
Автор: Seunghee Han, Alexei Davydov, Jong-Kae Fwu, Kamran Etemad, HAN SEUNGHEE, DAVYDOV ALEXEI, FWU JONG-KAE, ETEMAD KAMRAN, Han Seunghee, Davydov Alexei, Fwu Jong-Kae, Etemad Kamran
Принадлежит: INTEL CORPORATION, INTEL CORP

Technology for periodic channel state information (CSI) reporting in a coordinated multipoint (CoMP) scenario is disclosed. One method can include a user equipment (UE) generating a plurality of CSI reports for transmission in a subframe for a plurality of CSI processes. Each CSI report can correspond to a CSI process with a CSIProcessIndex. The UE can drop CSI reports corresponding to CSI processes except a CSI process with a lowest CSIProcessIndex. The UE can transmit at least one CSI report for the CSI process to an evolved Node B (eNB).

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Номер записи: 16
04-12-2013 дата публикации

Co-phasing of transmissions from multiple infrastructure node

Номер: CN103430459A
Автор: Davydov Alexei, Maltsev Alexander, Morozov Gregory V, Sergeyev Vadim, Zhu Yuan, Etemad Kamran, Yang Xiangying, Zhang Yujian
Принадлежит:

Briefly, in accordance with one or more embodiments, mobile station or user equipment receives pilot signals from two or more infrastructure nodes in a distributed antenna system, and calculates phase or timing information, or combinations thereof, from the pilot signals. The mobile station feeds back the phase or timing information, or combinations thereof, to the infrastructure nodes, and then receives one or more subsequent transmissions from the infrastructure nodes with phase shift or timing adjustments, or combinations thereof, calculated by the infrastructure nodes and applied to the spatial streams transmitted by the infrastructure nodes.

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Номер записи: 17
14-02-2017 дата публикации

Periodic channel status information (CSI) reporting for enhanced interference management and traffic adaptation (EIMTA) systems with CSI subframe sets

Номер: US9571251B2
Автор: DAVYDOV ALEXEI, KHORYAEV ALEXEY, PANTELEEV SERGEY, HAN SEUNGHEE, Davydov Alexei, Khoryaev Alexey, Panteleev Sergey, Han Seunghee
Принадлежит: INTEL CORP, Intel Corporation

Wireless device, method, and computer readable media are disclosed for determining which channel status information (CSI) report of a user equipment (UE) to drop from a physical uplink control channel (PUCCH) packet. The method may include determining that a first CSI report and a second CSI report are to be sent in the PUCCH, where the first CSI report has a first reporting type and a first CSI sub-frame set, and the second CSI report has a second reporting type and a second CSI sub-frame set. The method may include determining to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set. The determination to drop may be further based on a CSI processor index, serving cell index, and the CSI report priority.

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Номер записи: 18
22-11-2016 дата публикации

Mapping special subframes in a wireless communication network

Номер: US0009503892B2
Автор: Shafi Bashar, Seunghee Han, Hong He, Jong-Kae Fwu, Alexei Davydov, BASHAR SHAFI, HAN SEUNGHEE, HE HONG, FWU JONG-KAE, DAVYDOV ALEXEI, Bashar Shafi, Han Seunghee, He Hong, Fwu Jong-Kae, Davydov Alexei
Принадлежит: Intel IP Corporation, INTEL IP CORP, INTEL IP CORPORATION

Methods, apparatuses, and systems are described related to mapping special subframes in a wireless communication network. In embodiments, an eNB may assign demodulation reference signals (DM-RSs) and/or cell-specific reference signals (CRSs) to a downlink pilot time slot (DwPTS) of a special subframe responsive to a determined configuration of the special subframe. In embodiments, an eNB may bundle the DwPTS or an uplink pilot time slot (UpPTS) of the special subframe with another subframe for scheduling. In embodiments, a UE may estimate a channel associated with the special subframe based on DM-RSs and/or CRSs transmitted in another subframe. In embodiments, an eNB may exclude the DwPTS from scheduling for certain special subframe configurations if a new carrier type (NCT) is used. In embodiments, an eNB may exclude certain special subframe configurations from use for NCT communications. Other embodiments may be described and claimed.

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Номер записи: 19
09-03-2017 дата публикации

MECHANISM FOR 256-QAM CAPABLE USER EQUIPMENT TO OPERATE SEAMLESSLY WITH A NODE

Номер: US20170070978A1
Автор: Alexei Davydov, Hwan-Joon Kwan, Gregory V. Morozov, DAVYDOV ALEXEI, KWAN HWAN-JOON, MOROZOV GREGORY V, Davydov Alexei, Kwan Hwan-Joon, Morozov Gregory V.
Принадлежит:

Described is a UE to communicate with an eNB on a network, the UE comprising: an antenna to receive messaging from eNB indicating switching to 256-QAM scheme from an existing non-256-QAM scheme; and a table component for storing soft channel bits based on Nsoft such that the number and value of the soft channel bits for using the 256-QAM scheme is substantially equal to the number and value of the soft channel bits when the UE is not using the 256-QAM scheme. Described is an eNB comprising: an antenna to transmit messaging to a UE indicating switching to 256-QAM scheme from an existing non-256-QAM scheme; and an encoder to encode data using memory usage size based on Nsoft such that the number and value of the Nsoft for using the 256-QAM scheme is substantially equal to the number and value of the Nsoft when the eNB is not using the 256-QAM scheme.

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Номер записи: 20
10-08-2017 дата публикации

BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS

Номер: US20170230097A1
Автор: Yuan Zhu, Qinghua Li, Xintian E. Lin, Huaning Niu, Alexei Davydov, ZHU YUAN, LI QINGHUA, LIN XINTIAN E, NIU HUANING, DAVYDOV ALEXEI, Zhu Yuan, Li Qinghua, Lin Xintian E., Niu Huaning, Davydov Alexei
Принадлежит:

Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.

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Номер записи: 21
11-12-2013 дата публикации

Wireless communication system with common cell ID

Номер: CN103444095A
Автор: Davydov Alexei, Maltsev Alexander, Zhu Yuan, Etemad Kamran, Zhang Yujian, Morozov Gregory V, Sergeyev Vadim
Принадлежит:

Briefly, in accordance with one or more embodiments, a conventional physical downlink control channel (PDCCH) is transmitted in a first region of a physical downlink control channel structure utilized by a remote radio head that has been assigned a cell identifier that is common to one or more other remote radio heads within the cell, and an enhanced physical downlink control channel (ePDCCH) is transmitted in a second region of the physical downlink control channel structure.

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Номер записи: 22
04-08-2016 дата публикации

APERIODIC CHANNEL STATE INFORMATION (CSI) REPORTING FOR CARRIER AGGREGATION

Номер: US20160227530A1
Автор: Alexei Davydov, Hong He, DAVYDOV ALEXEI, HE HONG, Davydov Alexei, He Hong
Принадлежит:

Aperiodic channel state information (CSI) reporting is discussed. An example user equipment includes a receiver circuit, processor, and transmitter circuit. The receiver circuit receives transmissions from a plurality of serving cells via a carrier aggregation (CA) mode and receives an aperiodic CSI reporting request indicating a set for CSI reporting. The plurality of serving cells comprises at least six serving cells, and one or more of the plurality is associated with the indicated set. The processor is operably coupled to the receiver circuit and calculates one or more CSI parameters for each serving cell of the plurality that is associated with the indicated set; and generates an aperiodic CSI report based at least in part on the calculated CSI parameters for each serving cell associated with the indicated set. The transmitter circuit transmits the aperiodic CSI report to an Evolved NodeB (eNB) via a physical uplink shared channel (PUSCH).

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Номер записи: 23
01-09-2016 дата публикации

SYSTEMS AND METHODS FOR ENHANCED MBMS WITH MIMO SUPPORT

Номер: US20160254920A1
Автор: Alexei Davydov, Vadim Sergeyev, Gregory V. Morozov, DAVYDOV ALEXEI, SERGEYEV VADIM, MOROZOV GREGORY V, Davydov Alexei, Sergeyev Vadim, Morozov Gregory V.
Принадлежит: INTEL CORPORATION

Systems and methods use multiple spatial layers for physical multicast channel transmission. Certain embodiments introduce additional multimedia broadcast multicast service reference signals that support more than one antenna ports for multicast broadcast single frequency network transmissions. To reduce channel estimation complexity due to the multicast broadcast single frequency network reference signal design, resource elements of the multicast broadcast single frequency network reference signals may have a nested structure. To assist modulation and coding scheme selection, a user according to certain embodiments also independently reports block error rate measurements for each spatial layer of the multicast channel.

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Номер записи: 24
07-11-2012 дата публикации

Multicarrier receiver with antenna selection and maximum ratio combining

Номер: CN102769598A
Автор: Sadri Ali, Maltsev Alexander, Sergeyev Sergey, Davydov Alexei, Sergeyev Vadim
Принадлежит:

A reconfigurable multichannel receiver may selectively operate in increased throughput modes and/or increased range modes. In some embodiments, the receiver may select two or more antennas from a plurality of spatially diverse antennas to receive more than one subchannel of a wideband orthogonal frequency division multiplexed (OFDM) channel. Maximum-ratio combining may be performed on corresponding symbol-modulated subcarriers from the two or more antennas, and a single OFDM symbol may be generated from contributions from the subchannels received by the two or more antennas. In other embodiments, more than one subchannel of a wideband OFDM channel may be received through a single antenna selected from a plurality of spatially diverse antennas. In other embodiments, a single subchannel may be received by a plurality of spatially diverse antennas and maximum-ratio combining may be performed on corresponding symbol-modulated subcarriers received by the antennas.

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Номер записи: 25
28-07-2016 дата публикации

ENHANCED LISTEN-BEFORE-TALK (LBT) FOR UNLICENSED BAND OPERATION WITH CELL SPLITTING

Номер: US20160219448A1
Автор: Alexei Davydov, DAVYDOV ALEXEI, Davydov Alexei
Принадлежит:

Techniques of enhanced listen-before-talk (LBT) at an Evolved NodeB (eNB) are discussed. An example apparatus within an eNB implementing such techniques comprises a receiver circuit, processor, and transmitter circuit. The receiver circuit is configured to receive a set of signals over a selected frequency band. The processor is configured to determine a subset of the set via an energy detection metric; determine, for each signal of the subset, whether that signal comprises one of a plurality of Long Term Evolution (LTE) reference signals (RSs); and implement a back-off procedure in response to a determination that at least one signal of the subset does not comprise one of the plurality of LTE RSs. The transmitter is configured to transmit a transmission comprising a first RS of the plurality of LTE RSs in response to a determination that each signal of the subset comprises one of the plurality of LTE RSs.

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Номер записи: 26
05-12-2017 дата публикации

Apparatuses, systems, and methods for measuring quality of cell discovery signal

Номер: US0009838951B2
Автор: Seunghee Han, Alexei Davydov, HAN SEUNGHEE, DAVYDOV ALEXEI, Han Seunghee, Davydov Alexei
Принадлежит: Intel Corporation and Intel IP Corporation, INTEL CORP, INTEL IP CORP, INTEL CORP AND INTEL IP CORP, Intel Corporation, Intel IP Corporation

Embodiments of the present disclosure are directed towards devices and methods for discovering and waking up dormant access nodes in cellular networks. In one embodiment, the user equipment may be configured with information to assist in determining a discovery zone of discovery signals transmitted by cells in a network. In some embodiments, the information may include a duration of a discovery zone.

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Номер записи: 27
26-12-2017 дата публикации

Rank indicator inheritance for subframe restricted channel state information reporting

Номер: US0009854490B2
Автор: Alexei Davydov, Ilya Bolotin, Alexander Maltsev, Gregory V. Morozov, Debdeep Chatterjee, DAVYDOV ALEXEI, BOLOTIN ILYA, MALTSEV ALEXANDER, MOROZOV GREGORY V, CHATTERJEE DEBDEEP, Davydov Alexei, Bolotin Ilya, Maltsev Alexander, Morozov Gregory V., Chatterjee Debdeep
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Generally, this disclosure provides devices, systems and methods for subframe restricted Channel State Information (CSI) reporting with Rank Indicator (RI) inheritance. A User Equipment (UE) device may include an RI generation module to generate RIs based on a received CSI configuration from an evolved Node B (eNB) of a serving cell of the UE. The UE may also include an RI Reference Process CSI generation module to generate a first Reference CSI including a first selected RI of the generated RIs, the first selection based on a first subframe set of the received CSI configuration, and to generate a second Reference CSI including a second selected RI of the generated RIs, the second selection based on a second subframe set of the received CSI configuration. The UE may further include a Linked Process CSI generation module to generate a linked CSI including an inherited RI from the first Reference CSI.

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Номер записи: 28
24-10-2017 дата публикации

Power offset signaling techniques for network-assisted interference cancellation and suppression (NAICS) receivers

Номер: US0009800383B2
Автор: Alexei Davydov, Gi Wan Choi, Alexander Maltsev, Gregory V. Morozov, DAVYDOV ALEXEI, CHOI GI WAN, MALTSEV ALEXANDER, MOROZOV GREGORY V, Davydov Alexei, Choi Gi Wan, Maltsev Alexander, Morozov Gregory V.
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Power offset signaling techniques for network-assisted interference cancellation and suppression (NAICS) receivers are described. In one embodiment, for example, user equipment (UE) may comprise at least one radio frequency (RF) transceiver, at least one RF antenna, and logic, at least a portion of which is in hardware, the logic to receive a radio resource control (RRC) connection control message comprising a RadioResourceConfigDedicated field and perform a radio resource configuration procedure in response to receipt of the RRC connection control message, the RRC connection control message to comprise network-assisted interference cancellation and suppression (NAICS) assistance information that identifies a power offset value for one or more transmissions to the UE over a physical downlink shared channel (PDSCH) of a serving cell of the UE. Other embodiments are described and claimed.

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Номер записи: 29
12-09-2017 дата публикации

Apparatus and method for Cross-Carrier Quasi Co-Location Signaling in a new carrier type (NCT) wireless network

Номер: US0009763154B2
Автор: Alexei Davydov, Seunghee Han, Gregory V. Morozov, Ilya Bolotin, Jong-Kae Fwu, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY V, BOLOTIN ILYA, FWU JONG-KAE, Davydov Alexei, Han Seunghee, Morozov Gregory V., Bolotin Ilya, Fwu Jong-Kae
Принадлежит: INTEL CORPORATION, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY V, BOLOTIN ILYA, FWU JONG-KAE, INTEL CORP, Davydov Alexei, Han Seunghee, Morozov Gregory V., Bolotin Ilya, Fwu Jong-Kae

Generally, this disclosure provides devices, systems and methods for Cross-Carrier Quasi Co-Location Signaling in an NCT Wireless Network. A UE device may include a receiver circuit to receive a QCL signaling message from a primary cell, the QCL signaling message for a configured secondary cell to identify a primary or one or more secondary cells that are Quasi Co-located with the secondary cell for which the message is provided. The UE device may also include a QCL signal decoding module to decode the QCL signaling message and to determine QCL synchronization parameters. The UE device may further include a synchronization module to synchronize the UE with the primary or one or more secondary cells based on the QCL synchronization parameters obtained from the QCL message received from the primary cell.

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Номер записи: 30
27-09-2016 дата публикации

Channel state information-reference signal patterns for time division duplex systems in long term evolution wireless networks

Номер: US0009455811B2
Автор: Hong He, Alexei Davydov, Seunghee Han, Jong-Kae Fwu, Shafi Bashar, HE HONG, DAVYDOV ALEXEI, HAN SEUNGHEE, FWU JONG-KAE, BASHAR SHAFI, He Hong, Davydov Alexei, Han Seunghee, Fwu Jong-Kae, Bashar Shafi
Принадлежит: INTEL IP CORPORATION, INTEL IP CORP, Intel IP Corporation

A user equipment (UE) for time division duplex (TDD) communication through a wireless communication channel has a receiver to receive a channel state information reference signal (CSI-RS) subframe configuration value, a CSI-RS configuration value, and a CSI-RS; and circuitry to determine a subframe index corresponding to a temporal position of a special subframe including the CSI-RS; determine a CSI-RS pattern of one or more orthogonal frequency division modulation (OFDM) resource elements carrying the CSI-RS, the pattern being from among a group of CSI-RS patterns that include OFDM resource elements in OFDM symbols corresponding to a physical downlink control channel (PDCCH) region of a legacy LTE wireless communication channel; control the receiver to receive the special subframe carrying the CSI-RS during the temporal position and at the one or more OFDM resource elements of the CSI-RS pattern; and measure the wireless communication channel based on the CSI-RS.

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Номер записи: 31
19-06-2013 дата публикации

Enhanced node b and method for precoding with reduced quantization error

Номер: CN103168432A
Автор: Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Embodiments of methods and apparatus for wirelessly receiving, by a user equipment (UE), interference signal from a first enhanced Node B (eNB) while the UE is communicating with a second eNB; generating interference feedback information that is associated with an interference channel between the first eNB and the UE; and transmitting the interference feedback information to the first eNB via the second eNB are disclosed. Additional variants and embodiments are also disclosed.

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Номер записи: 32
13-06-2017 дата публикации

Wireless interference mitigation

Номер: US0009680669B2
Автор: Alexei Davydov, Seunghee Han, Gregory Morozov, Alexander Maltsev, Ilya Bolotin, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY, MALTSEV ALEXANDER, BOLOTIN ILYA, Davydov Alexei, Han Seunghee, Morozov Gregory, Maltsev Alexander, Bolotin Ilya
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Embodiments can relate to an apparatus for interference mitigation in a wireless communication. The apparatus can comprise at least one processing element arranged to extract, from a received PDCCH or EPDCCH signal, modulated symbols; the modulated symbols having been modulated using a linear m-ary modulation constellation. The apparatus also comprises a demodulator to demodulate the extracted PDCCH or EPDCCH modulated symbols; the demodulator being operable to demodulate the extracted symbols according to the linear m-ary modulation constellation.

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Номер записи: 33
24-01-2017 дата публикации

Periodic channel state information (CSI) reporting using a physical uplink control channel (PUCCH)

Номер: US0009554297B2
Автор: Seunghee Han, Alexei Davydov, Jong-Kae Fwu, Kamran Etemad, HAN SEUNGHEE, DAVYDOV ALEXEI, FWU JONG-KAE, ETEMAD KAMRAN, Han Seunghee, Davydov Alexei, Fwu Jong-Kae, Etemad Kamran
Принадлежит: INTEL CORPORATION, INTEL CORP

Technology for periodic channel state information (CSI) reporting using a physical uplink control channel (PUCCH) is disclosed. One method can include a user equipment (UE) generating a CSI report with a physical uplink control channel (PUCCH) first reporting type and a CSI report with a PUCCH second reporting type; and dropping a CSI report with the PUCCH first reporting type of a serving cell when the CSI report with the PUCCH first reporting type has a collision with the CSI report with PUCCH second reporting type of the serving cell. The PUCCH first reporting type can have a lower priority level than the PUCCH second reporting type.

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Номер записи: 34
03-10-2017 дата публикации

Method of enhanced interference measurements for channel state information (CSI) feedback

Номер: US0009781638B2
Автор: Alexei Davydov, Gregory Morozov, Seunghee Han, Debdeep Chatterjee, Ilya Bolotin, DAVYDOV ALEXEI, MOROZOV GREGORY, HAN SEUNGHEE, CHATTERJEE DEBDEEP, BOLOTIN ILYA, Davydov Alexei, Morozov Gregory, Han Seunghee, Chatterjee Debdeep, Bolotin Ilya
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of providing enhanced interference measurements for CSI feedback are generally described herein. In some embodiments, CSI-IM resources are used by UE to perform interference measurements. The serving cell determines a hopping pattern for varying a position of the determined CSI-IM resources in subframes transmitted to the served UE. The determined CSI-IM resources and the determined CSI-IM resources hopping pattern are transmitted to the served UE. The serving node transmits a zero-power (ZP) CSI-RS. The serving node receives an interference measurement from the served UE based on CSI-IM and ZP CSI-RS provided to the served LE from the serving cell. Collisions between the CSI-IM of the serving node and CSI-IM of the non-serving nodes are minimized by the determined CSI-IM resources hopping pattern.

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Номер записи: 35
14-11-2017 дата публикации

Support for asynchronous time division duplexing in adjacent cells of a wireless communication system

Номер: US0009820250B2
Автор: Alexander Maltsev, Alexei Davydov, Gregory Morozov, Ilya Bolotin, MALTSEV ALEXANDER, DAVYDOV ALEXEI, MOROZOV GREGORY, BOLOTIN ILYA, Maltsev Alexander, Davydov Alexei, Morozov Gregory, Bolotin Ilya
Принадлежит: INTEL CORPORATION, MALTSEV ALEXANDER, DAVYDOV ALEXEI, MOROZOV GREGORY, BOLOTIN ILYA, INTEL CORP, Maltsev Alexander, Davydov Alexei, Morozov Gregory, Bolotin Ilya

Technology is discussed for mitigating interference in a wireless communication environment where adjacent cells can have asynchronous Time Division Duplexing configurations. Measurements can be taken at an illuminated evolved Node B (eNodeB) of DownLink (DL) transmissions from a transmit eNodeB. These measurements can be relayed to the transmit eNodeB over a backhaul link and used to make scheduling, transmission power, and/or beam forming decisions to reduce the potential for DL interference. To reduce UpLink (UL) interference, sub-frame specific measurements can be requested by a transmit eNodeB of a User Equipment (UE) that would receive DL transmission from the transmit eNodeB to detect interference from any UEs performing UL transmission to an adjacent eNodeB. The interference measurements can be used by the transmit eNodeB to make scheduling determinations to mitigate the interference.

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Номер записи: 36
11-04-2017 дата публикации

Apparatus, system and method of wireless backhaul and access communication via a common antenna array

Номер: US0009621248B2
Автор: Alexander Maltsev, Ali S. Sadri, Reza Arefi, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, SADRI ALI S, AREFI REZA, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Sadri Ali S., Arefi Reza, Sergeyev Vadim, Davydov Alexei
Принадлежит: INTEL CORPORATION, INTEL CORP

Some demonstrative embodiments include apparatuses, systems and/or methods of wireless backhaul and access communication via a common antenna array. For example, an apparatus may include a wireless communication unit to control an antenna array to form one or more first beams for communicating over one or more access links and to form one or more second beams for communicating over one or more backhaul links, the access links including wireless communication links between a wireless communication node and one or more mobile devices, and the backhaul links including wireless communication links between the wireless node and one or more other wireless communication nodes.

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Номер записи: 37
30-05-2017 дата публикации

Apparatus, computer-readable medium, and method to determine a user equipment location in a cellular network using signals from a wireless local area network (WLAN)

Номер: US0009668099B2
Автор: Alexei Davydov, Jong-Kae Fwu, Gregory Morozov, DAVYDOV ALEXEI, FWU JONG-KAE, MOROZOV GREGORY, Davydov Alexei, Fwu Jong-Kae, Morozov Gregory
Принадлежит: Intel Corporation, INTEL CORP

An apparatus, computer-readable medium, and method to determine a user equipment (UE) location in a wireless network using signals from a wireless local-area network are disclosed. A wireless communication network entity may be configured to send WLAN assistance data to a UE. The WLAN assistance data may include a list of one or more WLAN access points (APs). The wireless communication network entity may receive location information from the UE. The location information may be based on measurements of signals from one or more of the WLAN APs. The wireless communication network entity may determine an estimate of the location of the UE based on the location information and stored information at the wireless communication network. The wireless communication network entity may determine the estimate of the location of the UE based on the measurements of the signals of the WLAN APs and a geographic position of the WLAN APs.

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Номер записи: 38
06-06-2017 дата публикации

Systems for communicating using multiple frequency bands in a wireless network

Номер: US0009674023B2
Автор: Alexander Maltsev, Vadim Sergeyev, Alexei Davydov, MALTSEV ALEXANDER, SERGEYEV VADIM, DAVYDOV ALEXEI, Maltsev Alexander, Sergeyev Vadim, Davydov Alexei
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Communication signals using a first and a second frequency band in a wireless network is described herein. The first frequency band may be associated with a first beamwidth while the second frequency band may be associated with a second beamwidth. An apparatus may include receiver circuitry arranged to receive first signals in a first frequency band associated with a first beamwidth and second signals in a second frequency band associated with a second beamwidth, the first signals comprising a frame synchronization parameter and the second signals comprising frame alignment signals. The apparatus may further include processor circuitry coupled to the receiver circuitry, the processor circuitry arranged to activate or deactivate the receiver circuitry to receive the frame alignment signals based on the frame synchronization parameter. Other embodiments may be described and/or claimed.

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Номер записи: 39
13-06-2017 дата публикации

Down-sampling of cell-specific reference signals (CRS) for a new carrier type (NCT)

Номер: US0009681428B2
Автор: Shafi Bashar, Jong-Kae Fwu, Huaning Niu, Yuan Zhu, Alexei Davydov, BASHAR SHAFI, FWU JONG-KAE, NIU HUANING, ZHU YUAN, DAVYDOV ALEXEI, Bashar Shafi, Fwu Jong-Kae, Niu Huaning, Zhu Yuan, Davydov Alexei
Принадлежит: INTEL CORPORATION, INTEL CORP

Technology for selecting physical resource blocks (PRB) for cell-specific reference signal (CRS) transmission for a new carrier type (NCT) is disclosed. In an example, device operable in an evolved Node B (eNB) to select physical resource blocks (PRB) for cell-specific reference signal (CRS) transmission for a new carrier type (NCT) can include computer circuitry configured to: Determine a frequency bandwidth for the NCT; and select a CRS pattern of PRBs for a transmission of the CRS in the frequency bandwidth, wherein the frequency bandwidth includes PRBs with CRS and PRBs without CRS.

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Номер записи: 40
21-03-2017 дата публикации

Resource allocation

Номер: US0009603140B2
Автор: Alexei Davydov, Gi Wan Choi, Gregory Morozov, Vadim Sergeyev, DAVYDOV ALEXEI, CHOI GI WAN, MOROZOV GREGORY, SERGEYEV VADIM, Davydov Alexei, Choi Gi Wan, Morozov Gregory, Sergeyev Vadim
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Device, system and methods for flexible resource allocation are described. In particular, there is described a user receive a user equipment configured to receive higher-layer configuration of flexible resource allocation; receive dynamic information on the downlink resource allocation in a given downlink (DL) subframe; split the resource allocation into resource allocation sub-blocks; independently decode physical downlink shared channel (PDSCH) within each resource allocation sub-block; AND report ACK/NACK for the resource allocation.

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Номер записи: 41
06-02-2018 дата публикации

Enhanced node B, UE and method for selecting cell discovery signals in LTE networks

Номер: US0009888430B2
Автор: Seunghee Han, Xiaogang Chen, Alexei Davydov, HAN SEUNGHEE, CHEN XIAOGANG, DAVYDOV ALEXEI, Han Seunghee, Chen Xiaogang, Davydov Alexei
Принадлежит: Intel IP Corporation, INTEL IP CORP

Embodiments allow selection of a Discovery signal (DS) used to identify an eNB to a UE receiving the DS. The DS allows the UE to ascertain the existence and/or cell identifier of the eNB. DS comprise a plurality of other signals such as a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), a Cell Specific Reference Signal (CRS) and/or a Channel State Information Reference Signal (CSI-RS). A DS occasion comprises a number of subframes where the selected signals that comprise the DS are transmitted. The signals selected for the DS, their characteristics and properties allow a UE to decode the cell identifier. The DS occasion occurs with a designated periodicity.

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Номер записи: 42
04-08-2016 дата публикации

DRS BASED POWER CONTROL IN COMMUNICATION SYSTEMS

Номер: US20160227485A1
Автор: Alexei Davydov, Seunghee Han, Gregory V. Morozov, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY V, Davydov Alexei, Han Seunghee, Morozov Gregory V.
Принадлежит: Intel Corporation

Apparatus, systems, and methods to implement DRS-based power control in communication systems are described. In one example, a network entity comprises processing circuitry to configure at least one discovery reference signal (DRS) for path loss measurement, determine a discovery reference signal power setting and transmit the discovery reference signal (DRS) via a wireless communication link. Other examples are also disclosed and claimed.

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Номер записи: 43
12-10-2017 дата публикации

SIGNALING FOR DOWNLINK COORDINATED MULTIPOINT IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20170294998A1
Автор: Kamran Etemad, Alexei Davydov, ETEMAD KAMRAN, DAVYDOV ALEXEI, Etemad Kamran, Davydov Alexei
Принадлежит:

Embodiments herein describe apparatuses, systems, and methods for signaling to support downlink coordinated multipoint (CoMP) communications with a user equipment (UE) in a wireless communication network. In embodiments, the UE may be configured with a plurality of channel state information (CSI) processes (e.g., via radio resource control (RRC) signaling) to use for providing CSI feedback to an evolved Node B (eNB) to support downlink CoMP communications. The UE may be configured with a plurality of sets of CSI processes. The UE may further receive a downlink control information (DCI) message from the eNB that indicates one of the configured sets of CSI processes on which the UE is to provide CSI feedback to the UE. The UE may generate the CSI feedback for the indicated set of CSI processes, and transmit the CSI feedback to the eNB in a CSI report.

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Номер записи: 44
01-08-2017 дата публикации

Techniques for using a modulation and coding scheme for downlink transmissions

Номер: US0009722848B2
Автор: Alexei Davydov, Hwan-Joon Kwon, Gregory V. Morozov, Alexander Maltsev, DAVYDOV ALEXEI, KWON HWAN-JOON, MOROZOV GREGORY V, MALTSEV ALEXANDER, Davydov Alexei, Kwon Hwan-Joon, Morozov Gregory V., Maltsev Alexander
Принадлежит: Intel Corporation, INTEL CORP

Examples include techniques for using a modulation and coding scheme (MCS) for downlink transmissions. In some examples information elements (IEs) for either a physical multicast channel (PMCH) or a physical multicast control channel (PMCCH) include information to indicate an MCS for downlink transmission over a PMCH or PMCCH between an evolved Node B (eNB) and user equipment (UE). For these examples, the information in the IEs include indications of whether higher order modulation for quadrature amplitude modulation (QAM) have or have not been enabled. Both the UE and the eNB may operate in compliance with one or more 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) standards.

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Номер записи: 45
20-04-2017 дата публикации

PERIODIC CHANNEL STATE INFORMATION (CSI) REPORTING USING A PHYSICAL UPLINK CONTROL CHANNEL (PUCCH)

Номер: US20170111898A1
Автор: Seunghee Han, Alexei Davydov, Jong-Kae Fwu, Kamran Etemad, HAN SEUNGHEE, DAVYDOV ALEXEI, FWU JONG-KAE, ETEMAD KAMRAN, Han Seunghee, Davydov Alexei, Fwu Jong-Kae, Etemad Kamran
Принадлежит:

Technology for a user equipment (UE) to report periodic channel state information (CSI) is disclosed. The UE can generate a plurality of CSI reports for serving cells for transmission in a subframe. Each CSI report can correspond to a physical uplink control channel (PUCCH) reporting type among a plurality of CSI processes having a CSI process index (CSIProcessIndex) and a serving cell index (ServCellIndex). The UE can determine different priorities corresponding to each of the plurality of PUCCH reporting types. The UE can drop CSI reports corresponding to all CSI processes except a CSI process having the lowest CSIProcessIndex. The UE can drop CSI reports corresponding to all ServCellIndexes except a CSI report with the lowest ServCellIndex. The UE can multiplex at least one non-colliding CSI report from among CSI reports that are not dropped and hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback bits for transmission to an eNodeB.

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Номер записи: 46
27-02-2018 дата публикации

Methods, apparatuses, and systems for multi-point, multi-cell single-user based multiple input and multiple output transmissions

Номер: US0009906344B2
Автор: Alexei Davydov, Gregory Morozov, Vadim Sergeyev, Alexander Maltsev, Ilya Bolotin, DAVYDOV ALEXEI, MOROZOV GREGORY, SERGEYEV VADIM, MALTSEV ALEXANDER, BOLOTIN ILYA, Davydov Alexei, Morozov Gregory, Sergeyev Vadim, Maltsev Alexander, Bolotin Ilya
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

Methods, systems, and storage media for providing multi-cell, multi-point single user (SU) multiple input and multiple output (MIMO) operations are described. In embodiments, an apparatus may receive and process a first set of one or more independent data streams received in a downlink channel from a first transmission point. The apparatus may receive and process a second set of one or more independent data streams received in a downlink channel from a second transmission point. The apparatus may process control information received from the first transmission point or the second transmission point. The control information may include an indication of a quasi co-location assumption to be used for estimating channel characteristics for reception of the first set of one or more independent data streams or the second set of one or more independent data streams. Other embodiments may be described and/or claimed.

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Номер записи: 47
01-08-2017 дата публикации

Mobile device transmitter and methods for transmitting signals in different signal dimensions for 3GPP LTE

Номер: US0009722683B2
Автор: Qinghua Li, Huaning Niu, Yuan Zhu, Xintian E. Lin, Xiaogang Chen, Alexei Davydov, Thomas J. Kenney, Eldad Perahia, LI QINGHUA, NIU HUANING, ZHU YUAN, LIN XINTIAN E, CHEN XIAOGANG, DAVYDOV ALEXEI, KENNEY THOMAS J, PERAHIA ELDAD, Li Qinghua, Niu Huaning, Zhu Yuan, Lin Xintian E., Chen Xiaogang, Davydov Alexei, Kenney Thomas J., Perahia Eldad
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of a mobile device transmitter and methods for transmitting signals in different signal dimensions are generally disclosed herein. The mobile device transmitter comprises a mapper to map a block of two or more input modulation symbols to different signal dimensions comprising two or more spatial dimensions, and linear transform circuitry to perform a linear transform on the block of mapped input modulation symbols to generate a block of precoded complex-valued output symbols such that each output symbol carries some information of more than one input modulation symbol. The mobile device also comprises transmitter circuitry to generate time-domain signals from the blocks of precoded complex-valued output symbols for each of the spatial dimensions for transmission using the two or more antennas. The precoded complex-valued output symbols are mapped to different signal dimensions comprising at least different frequency dimensions prior to transmission.

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Номер записи: 48
30-01-2018 дата публикации

Aperiodic channel state information (CSI) reporting for carrier aggregation

Номер: US0009883491B2
Автор: Alexei Davydov, Hong He, DAVYDOV ALEXEI, HE HONG, Davydov Alexei, He Hong
Принадлежит: Intel Corporation, INTEL CORP

Aperiodic channel state information (CSI) reporting is discussed. An example user equipment includes a receiver circuit, processor, and transmitter circuit. The receiver circuit receives transmissions from a plurality of serving cells via a carrier aggregation (CA) mode and receives an aperiodic CSI reporting request indicating a set for CSI reporting. The plurality of serving cells comprises at least six serving cells, and one or more of the plurality is associated with the indicated set. The processor is operably coupled to the receiver circuit and calculates one or more CSI parameters for each serving cell of the plurality that is associated with the indicated set; and generates an aperiodic CSI report based at least in part on the calculated CSI parameters for each serving cell associated with the indicated set. The transmitter circuit transmits the aperiodic CSI report to an Evolved NodeB (eNB) via a physical uplink shared channel (PUSCH).

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Номер записи: 49
29-07-2015 дата публикации

Apparatus and method for cross-carrier quasi co-location signaling in a new carrier type (nct) wireless network

Номер: CN104813602A
Автор: Davydov Alexei, Han Seunghee, Morozov Gregory V, Bolotin Ilya, Fwu Jong-Kae
Принадлежит:

Generally, this disclosure provides devices, systems and methods for Cross-Carrier Quasi Co-Location Signaling in an NCT Wireless Network. A UE device may include a receiver circuit to receive a QCL signaling message from a primary cell, the QCL signaling message for a configured secondary cell to identify a primary or one or more secondary cells that are Quasi Co-located with the secondary cell for which the message is provided. The UE device may also include a QCL signal decoding module to decode the QCL signaling message and to determine QCL synchronization parameters. The UE device may further include a synchronization module to synchronize the UE with the primary or one or more secondary cells based on the QCL synchronization parameters obtained from the QCL message received from the primary cell.

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Номер записи: 50
24-10-2017 дата публикации

Evolved node-B and methods for supporting co-existence with Wi-Fi networks in an unlicensed frequency band

Номер: US0009801207B2
Автор: Vadim Sergeyev, Shafi Bashar, Alexei Davydov, Jong-Kae Fwu, SERGEYEV VADIM, BASHAR SHAFI, DAVYDOV ALEXEI, FWU JONG-KAE, Sergeyev Vadim, Bashar Shafi, Davydov Alexei, Fwu Jong-Kae
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of an eNB and method for supporting communication with UEs on an LTE network in an unlicensed frequency band are generally described herein. The eNB may be configured to transmit a first LTE signal that includes a first reference signal during an active transmission period of a Wi-Fi network in the unlicensed frequency band, and to restrict frequency spectra used for the transmission of the first LTE signal from frequency spectra used by the Wi-Fi network during the active transmission period. The first reference signal may enable maintenance of synchronization between the eNB and the UEs at least during the active transmission period. The eNB may be further configured to transmit a second LTE signal during a silence period of the Wi-Fi network in frequency spectra used by the Wi-Fi network during the active transmission period.

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Номер записи: 51
22-05-2013 дата публикации

Device, system and method of multi-user multi-input-multi-output wireless communication

Номер: CN103119856A
Автор: Morozov Gregory, Maltsev Alexander, Davydov Alexei
Принадлежит:

Device, system, and method of multi-user multi - input -multi - output (MIMO) wireless communication. In some embodiments, a wireless communication device (102) may be capable of receiving a plurality of channel feedback transmissions from a plurality of user devices (104, 106, 108) respectively, wherein a channel feedback transmission from a user device of the user devices includes partial information relating to a MIMO channel matrix between the wireless communication unit and the user device; and transmitting a multi -user MIMO transmission to the plurality of user devices according to a MIMO beamforming scheme, wherein the MIMO beamforming scheme is based on the plurality of channel feedback transmissions.

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Номер записи: 52
04-08-2016 дата публикации

ENHANCED NODE B AND METHODS FOR NETWORK ASSISTED INTERFERENCE CANCELLATION WITH REDUCED SIGNALING

Номер: US20160226600A1
Автор: Jan Ellenbeck, Sabine Roessel, Bernhard Raaf, Thorsten Clevorn, Stefan Franz, Alexei Davydov, ELLENBECK JAN, ROESSEL SABINE, RAAF BERNHARD, CLEVORN THORSTEN, FRANZ STEFAN, DAVYDOV ALEXEI, Ellenbeck Jan, Roessel Sabine, Raaf Bernhard, Clevorn Thorsten, Franz Stefan, Davydov Alexei
Принадлежит:

Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message.

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Номер записи: 53
01-08-2017 дата публикации

Wireless interference mitigation

Номер: US0009723508B2
Автор: Alexei Davydov, Seunghee Han, Yi Hsuan, Jong-Kae Fwu, Gregory Morozov, DAVYDOV ALEXEI, HAN SEUNGHEE, HSUAN YI, FWU JONG-KAE, MOROZOV GREGORY, Davydov Alexei, Han Seunghee, Hsuan Yi, Fwu Jong-Kae, Morozov Gregory
Принадлежит: INTEL CORPORATION, INTEL CORP, Intel Corporation

A User Equipment and an eNodeB system are configured for performing interference mitigation in the UE. Input circuitry in the wireless communication device receives an OFDM downlink channel signal associated with a serving cell and receives downlink control information for an interfering cell. The downlink control information is used by the UE to perform channel estimation for the interfering cell. An interference mitigation module is provided for calculating an interference-mitigated version of the received channel signal using estimated channel transfer functions for both the serving cell and the interfering cell, power control parameters and using set of modulation constellation points corresponding to the OFDM downlink channel. Other embodiments may be described and claimed.

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Номер записи: 54
23-05-2017 дата публикации

Multi-access scheme and signal structure for D2D communications

Номер: US0009661658B2
Автор: Qinghua Li, Honggang Li, Huaning Niu, Yi Hsuan, Yuan Zhu, Xiaogang Chen, Jong-Kae Fwu, Alexei Davydov, Hujun Yin, Xintian E Lin, Wendy C. Wong, Yujian Zhang, Apostolos Papathanassiou, LI QINGHUA, LI HONGGANG, NIU HUANING, HSUAN YI, ZHU YUAN, CHEN XIAOGANG, FWU JONG-KAE, DAVYDOV ALEXEI, YIN HUJUN, LIN XINTIAN E, WONG WENDY C, ZHANG YUJIAN, PAPATHANASSIOU APOSTOLOS, Li Qinghua, Li Honggang, Niu Huaning, Hsuan Yi, Zhu Yuan, Chen Xiaogang, Fwu Jong-Kae, Davydov Alexei, Yin Hujun, Lin Xintian E, Wong Wendy C., Zhang Yujian, Papathanassiou Apostolos
Принадлежит: Intel Corporation, INTEL CORP

A signal structure for use in D2D communications is described. In one embodiment, a preamble for automatic gain control at the receiver end is included in the transmitted signal. Techniques for scheduling of D2D transmissions using carrier sensing multiple access (CSMA) and a power control schemes for interference management are also described.

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Номер записи: 55
07-11-2012 дата публикации

Multicarrier receiver with antenna selection and maximum ratio combining

Номер: CN102769597A
Автор: Sadri Ali, Maltsev Alexander, Sergeyev Sergey, Davydov Alexei, Sergeyev Vadim
Принадлежит:

A reconfigurable multichannel receiver may selectively operate in increased throughput modes and/or increased range modes. In some embodiments, the receiver may select two or more antennas from a plurality of spatially diverse antennas to receive more than one subchannel of a wideband orthogonal frequency division multiplexed (OFDM) channel. Maximum-ratio combining may be performed on corresponding symbol-modulated subcarriers from the two or more antennas, and a single OFDM symbol may be generated from contributions from the subchannels received by the two or more antennas. In other embodiments, more than one subchannel of a wideband OFDM channel may be received through a single antenna selected from a plurality of spatially diverse antennas. In other embodiments, a single subchannel may be received by a plurality of spatially diverse antennas and maximum-ratio combining may be performed on corresponding symbol-modulated subcarriers received by the antennas.

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Номер записи: 56
27-06-2017 дата публикации

Rescheduling of a resource component of low power nodes (LPNs) in a coordination set

Номер: US0009693304B2
Автор: Alexei Davydov, Gregory Morozov, Alexander Maltsev, Ilya Bolotin, DAVYDOV ALEXEI, MOROZOV GREGORY, MALTSEV ALEXANDER, BOLOTIN ILYA, Davydov Alexei, Morozov Gregory, Maltsev Alexander, Bolotin Ilya
Принадлежит: INTEL CORPORATION, DAVYDOV ALEXEI, MOROZOV GREGORY, MALTSEV ALEXANDER, BOLOTIN ILYA, INTEL CORP, Davydov Alexei, Morozov Gregory, Maltsev Alexander, Bolotin Ilya

A method for rescheduling a resource component of low power nodes (LPNs) in a local coordination set is disclosed. The method can include a local macro node receiving from a neighboring macro node a resource map of blanked resource components and scheduled resource components for physical resources of the neighboring macro node. The local macro node can be grouped with at least one low power node (LPN) within a local coordination set. The neighboring macro node can be grouped with at least one LPN within a neighboring coordination set. The neighboring macro node can be within a neighboring coordination set different from the local coordination set. The local macro node can reschedule using the resource map, a cell-edge resource component for LPNs in the local coordination set in a same frequency-domain index and a same time-domain index as a blanked resource component of the neighboring macro node.

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Номер записи: 57
13-06-2017 дата публикации

Beamforming using base and differential codebooks

Номер: US0009680543B2
Автор: Yuan Zhu, Qinghua Li, Xintian E. Lin, Huaning Niu, Alexei Davydov, ZHU YUAN, LI QINGHUA, LIN XINTIAN E, NIU HUANING, DAVYDOV ALEXEI, Zhu Yuan, Li Qinghua, Lin Xintian E., Niu Huaning, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.

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Номер записи: 58
08-08-2017 дата публикации

Apparatus configured to report aperiodic channel state information for dual connectivity

Номер: US0009730258B2
Автор: Alexei Davydov, Youn Hyoung Heo, Hong He, DAVYDOV ALEXEI, HEO YOUN HYOUNG, HE HONG, Davydov Alexei, Heo Youn Hyoung, He Hong
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of a system and method for reporting channel state information (CSI) in a wireless network are generally described herein. In some embodiments, an apparatus of a User Equipment (UE) can include physical layer circuitry to receive, in a first subframe, a first aperiodic CSI request from a first cell group, and a second aperiodic CSI request from a second cell group. The UE can include processing circuitry to determine a number of requested CSI processes corresponding to the first aperiodic CSI request and the second aperiodic CSI request. Additionally, the processing circuitry can select a subset of the requested CSI processes when the determined number of requested CSI processes is more than five. Furthermore, the processing circuitry can calculate CSI for the selected CSI processes.

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Номер записи: 59
16-03-2017 дата публикации

INTERFERENCE AVERAGING AND INTERFERENCE RESOURCE GROUPS IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20170078909A1
Автор: Alexei Davydov, Gregory Morozov, Kamran Etemad, Vadim Sergeyev, Ilya Bolotin, Jong-Kae Fwu, DAVYDOV ALEXEI, MOROZOV GREGORY, ETEMAD KAMRAN, SERGEYEV VADIM, BOLOTIN ILYA, FWU JONG-KAE, Davydov Alexei, Morozov Gregory, Etemad Kamran, Sergeyev Vadim, Bolotin Ilya, Fwu Jong-Kae
Принадлежит:

Methods, apparatuses, and systems are described related to interference averaging to generate feedback information and interference averaging to demodulate receives signals. In embodiments, an evolved Node B (eNB) may transmit interference averaging information to a user equipment (UE) including a time domain averaging indicator indicating a time domain averaging window to be used by the UE for averaging interference measurements in a time domain or a frequency domain averaging indicator to indicate a frequency domain averaging window to be used by the UE for averaging interference measurements in a frequency domain. Additionally, or alternatively, the eNB may transmit an interference resource group (IRG) indicator to the UE to indicate an IRG over which the UE is to perform interference averaging to facilitate demodulation of signals received by the UE from the eNB.

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Номер записи: 60
01-09-2016 дата публикации

TIMING SYNCHRONIZATION FOR DOWNLINK (DL) TRANSMISSIONS IN COORDINATED MULTIPOINT (CoMP) SYSTEMS

Номер: US20160254938A1
Автор: Alexei Davydov, Gregory Morozov, Alexander Maltsev, Vadim Sergeyev, Ilya Bolotin, DAVYDOV ALEXEI, MOROZOV GREGORY, MALTSEV ALEXANDER, SERGEYEV VADIM, BOLOTIN ILYA, Davydov Alexei, Morozov Gregory, Maltsev Alexander, Sergeyev Vadim, Bolotin Ilya
Принадлежит:

Technology for adjusting a receiver timing of a wireless device in a Coordinated MultiPoint (CoMP) system is disclosed. One method can include the wireless device receiving a plurality of node specific reference signals (RSs) from a plurality of cooperating nodes in a coordination set of the CoMP system. The coordination set includes at least two cooperating nodes. The wireless device can estimate a composite received RS timing from a plurality of received RS timings generated from the plurality of node specific RSs. The received RS timings represent timings from the at least two cooperating nodes. The wireless device can adjust the receiver timing based on the composite received RS timing. A node specific RS can include a channel-state information reference signal (CSI-RS).

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Номер записи: 61
26-07-2016 дата публикации

Distributed antenna system and method for enhanced positioning

Номер: US0009402233B2
Автор: Alexei Davydov, Alexander Maltsev, Kamran Etemad, Gregory Morozov, Vadim Sergeyev, DAVYDOV ALEXEI, MALTSEV ALEXANDER, ETEMAD KAMRAN, MOROZOV GREGORY, SERGEYEV VADIM, Davydov Alexei, Maltsev Alexander, Etemad Kamran, Morozov Gregory, Sergeyev Vadim
Принадлежит: Intel Corporation, DAVYDOV ALEXEI, MALTSEV ALEXANDER, ETEMAD KAMRAN, MOROZOV GREGORY, SERGEYEV VADIM, INTEL CORP, Davydov Alexei, Maltsev Alexander, Etemad Kamran, Morozov Gregory, Sergeyev Vadim

Embodiments of a distributed antenna system (DAS) and method for enhanced positioning in a wireless network are generally described herein. In some embodiments, an enhanced Node-B (eNB) operates as part of a DAS that includes one or more nodes having the same cell ID as the eNB. The eNB is to transmit a UE-specific reference signal and configure one or more of the other nodes of the cell to transmit UE-specific reference signals that are distinguishable from each other and from the UE-specific reference signal that is transmitted by the eNB. The eNB may receive location estimate information from user equipment (UE) that is determined at least in part from the UE-specific reference signals. The eNB may also configure the nodes to perform cooperative OFDMA transmission techniques for the UEs operating in the cell.

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Номер записи: 62
21-02-2017 дата публикации

Interference reduction using hybrid signaling

Номер: US0009577778B2
Автор: Alexei Davydov, Gregory V. Morozov, Gi Wan Choi, DAVYDOV ALEXEI, MOROZOV GREGORY V, CHOI GI WAN, Davydov Alexei, Morozov Gregory V., Choi Gi Wan
Принадлежит: INTEL CORP, INTEL CORPORATION

Technology for reducing signal interference is disclosed. Semi-static signaling can be received at a user equipment (UE) from a neighboring evolved node (eNB). The semi-static signaling can include potential configurations of signal parameters used at the neighboring eNB. The UE can receive dynamic signaling from the neighboring eNB that includes a subset of the potential configurations of signal parameters used at the neighboring eNB. Signal interference that is caused by the neighboring eNB can be reduced using the semi-static signaling and the dynamic signaling.

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Номер записи: 63
27-10-2016 дата публикации

BEAMFORMING USING BASE AND DIFFERENTIAL CODEBOOKS

Номер: US20160315678A1
Автор: Yuan Zhu, Qinghua Li, Xintian E. Lin, Huaning Niu, Alexei Davydov, ZHU YUAN, LI QINGHUA, LIN XINTIAN E, NIU HUANING, DAVYDOV ALEXEI, Zhu Yuan, Li Qinghua, Lin Xintian E., Niu Huaning, Davydov Alexei
Принадлежит:

Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.

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Номер записи: 64
25-10-2016 дата публикации

Techniques for efficient small cell discovery

Номер: US0009480007B2
Автор: Seunghee Han, Xiaogang Chen, Yuan Zhu, Alexei Davydov, Jong-Kae Fwu, HAN SEUNGHEE, CHEN XIAOGANG, ZHU YUAN, DAVYDOV ALEXEI, FWU JONG-KAE, Han Seunghee, Chen Xiaogang, Zhu Yuan, Davydov Alexei, Fwu Jong-Kae
Принадлежит: INTEL IP CORPORATION, INTEL IP CORP, Intel IP Corporation

Techniques for efficient small cell discovery are described. In one embodiment, for example, an evolved node B (eNB) may comprise logic, at least a portion of which is in hardware, the logic to determine a discovery signal transmission schedule for a series of radio frames based on a discovery signal muting pattern specifying at least one discovery-muted radio frame among the series of radio frames, and a transceiver to transmit at least one primary synchronization signal (PSS) and at least one secondary synchronization signal (SSS) during the series of radio frames according to the discovery signal transmission schedule. Other embodiments are described and claimed.

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Номер записи: 65
22-08-2017 дата публикации

Fast small cell discovery

Номер: US0009743305B2
Автор: Seunghee Han, Youn Hyoung Heo, Jong-Kae Fwu, Alexei Davydov, HAN SEUNGHEE, HEO YOUN HYOUNG, FWU JONG-KAE, DAVYDOV ALEXEI, Han Seunghee, Heo Youn Hyoung, Fwu Jong-Kae, Davydov Alexei
Принадлежит: Intel IP Corporation, INTEL IP CORP

Embodiments of circuitry to be included in a user equipment (“UE”) and an evolved Node B (“eNB”) are described. To accelerate the detection of one or more cells in a wireless network, a UE may perform Radio Resource Management (“RRM”) measurements based on one or more synchronization signals instead of based on a common reference signal (“CRS”). Alternatively, the UE may perform RRM measurements for a cell based on a CRS transmitted for the cell without synchronizing to the cell using one or more synchronization signals. The UE may report the RRM measurements to an cNB that is to serve the UE.

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Номер записи: 66
01-01-2014 дата публикации

Uplink power control scheme for distributed RRH systems with same cell ID

Номер: CN103493551A
Автор: Yang Rongzhen, Papathanassiou Apostolos, Davydov Alexei, Zhu Yuan Y, Fu Jin, Etemad Kamran, Yin Hujun, Yang Xiangying, Fwu Jong-Kae
Принадлежит:

Uplink power control in a macro cell in a wireless network comprises transmitting a reference signal from a base station device to at least one wireless device within the macro cell. The macro cell comprises the base station device and at least one radio transmitter device that is communicatively coupled to and remote from the base station device. The base station device and one or more radio transmitter devices could be selected to be a transmission point, a reception point or a combination thereof, for each wireless device. Information relating to a transmission power of the base station device is also transmitted to the at least one wireless device. An uplink signal is received from the at least one wireless device containing information relating to an uplink power determination that is based on the reference signal and the information relating to the transmission power of the base station device.

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Номер записи: 67
13-11-2013 дата публикации

Signaling for downlink coordinated multipoint in wireless communication network

Номер: CN103391577A
Автор: Etemad Kamran, Davydov Alexei
Принадлежит:

The invention relates to a signaling for downlink coordinated multipoints in a wireless communication network. Embodiments described include apparatuses, systems, and methods for signaling to support communication with downlink coordinated multipoints (CoMP) of user equipment (UE) in a wireless communication network. In embodiments, the UE can be configured with a plurality of processes of channel state information (CSI) (e.g., via radio resource control (RRC) signaling) to provide CSI feedback to an evolved node B (eNB) for supporting downlink CoMP communication. The UE can be configured with a plurality of groups of CSI processes. The UE can further receive downlink control information (DCI) from the eNB, indicating that the UE provides CSI feedback to one of the CSI processes configured to the UE. The UE can generate CSI feedback for all indicated CSI processes and transmits the CSI feedback to the eNB in a CSI report.

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Номер записи: 68
20-12-2016 дата публикации

Interference averaging and interference resource groups in a wireless communication system

Номер: US0009525446B2
Автор: Alexei Davydov, Gregory Morozov, Kamran Etemad, Vadim Sergeyev, Ilya Bolotin, Jong-Kae Fwu, DAVYDOV ALEXEI, MOROZOV GREGORY, ETEMAD KAMRAN, SERGEYEV VADIM, BOLOTIN ILYA, FWU JONG-KAE, Davydov Alexei, Morozov Gregory, Etemad Kamran, Sergeyev Vadim, Bolotin Ilya, Fwu Jong-Kae
Принадлежит: Intel Corporation, INTEL CORP, INTEL CORPORATION

Methods, apparatuses, and systems are described related to interference averaging to generate feedback information and interference averaging to demodulate receives signals. In embodiments, an evolved Node B (eNB) may transmit interference averaging information to a user equipment (UE) including a time domain averaging indicator indicating a time domain averaging window to be used by the UE for averaging interference measurements in a time domain or a frequency domain averaging indicator to indicate a frequency domain averaging window to be used by the UE for averaging interference measurements in a frequency domain. Additionally, or alternatively, the eNB may transmit an interference resource group (IRG) indicator to the UE to indicate an IRG over which the UE is to perform interference averaging to facilitate demodulation of signals received by the UE from the eNB.

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Номер записи: 69
11-10-2016 дата публикации

Systems and methods for modulation and coding scheme selection and configuration

Номер: US0009467269B2
Автор: Alexei Davydov, Hwan-Joon Kwon, Seunghee Han, Gregory V. Morozov, DAVYDOV ALEXEI, KWON HWAN-JOON, HAN SEUNGHEE, MOROZOV GREGORY V, Davydov Alexei, Kwon Hwan-Joon, Han Seunghee, Morozov Gregory V.
Принадлежит: INTEL IP CORPORATION, INTEL IP CORP, Intel IP Corporation

Methods, systems, and devices for modulation and coding scheme selection and configuration. A mobile communication device includes a table component, a table selection component, and a communication component. The table component is configured to maintain two or more tables each having entries for a plurality of available modulation schemes. The two or more tables include a default table and a secondary table. The default table and the secondary table have a matching number of entries, and the secondary table includes an entry corresponding to a 256-QAM scheme. The table selection component is configured to select a selected table from one of the default table and the secondary table. The communication component is configured to receive and process a communication from a base station based on a modulation and coding scheme of the selected table.

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Номер записи: 70
16-05-2017 дата публикации

Wireless interference mitigation

Номер: US0009654313B2
Автор: Alexei Davydov, Seunghee Han, Gregory Morozov, Alexander Maltsev, Vadim Sergeyev, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY, MALTSEV ALEXANDER, SERGEYEV VADIM, Davydov Alexei, Han Seunghee, Morozov Gregory, Maltsev Alexander, Sergeyev Vadim
Принадлежит: INTEL CORPORATION, DAVYDOV ALEXEI, HAN SEUNGHEE, MOROZOV GREGORY, MALTSEV ALEXANDER, SERGEYEV VADIM, INTEL CORP, Davydov Alexei, Han Seunghee, Morozov Gregory, Maltsev Alexander, Sergeyev Vadim

Embodiments relate to apparatus for wireless interference mitigation within a first User Equipment (UE). The apparatus comprises at least one channel estimator for estimating a first channel transfer function associated with a first received signal designated for the first UE, and for estimating a second channel transfer function associated with a second received, interference, signal. A symbol estimator is responsive to the at least one channel estimator to process at least the first received signal to produce a symbol estimation. A demodulator, which is responsive to the channel estimator, demodulates the symbol estimation to an output representing a received data unit corresponding to the symbol estimation. The demodulator has a processing unit arranged to demodulate the symbol estimation using the first channel transfer function, the second channel transfer function and a respective modulation scheme for at least the first received signal.

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Номер записи: 71
25-08-2016 дата публикации

METHODS, APPARATUSES, AND SYSTEMS FOR MULTI-POINT, MULTI-CELL SINGLE-USER BASED MULTIPLE INPUT AND MULTIPLE OUTPUT TRANSMISSIONS

Номер: US20160248561A1
Автор: Alexei Davydov, Gregory Morozov, Vadim Sergeyev, Alexander Maltsev, Ilya Bolotin, DAVYDOV ALEXEI, MOROZOV GREGORY, SERGEYEV VADIM, MALTSEV ALEXANDER, BOLOTIN ILYA, Davydov Alexei, Morozov Gregory, Sergeyev Vadim, Maltsev Alexander, Bolotin Ilya
Принадлежит:

Methods, systems, and storage media for providing multi-cell, multi-point single user (SU) multiple input and multiple output (MIMO) operations are described. In embodiments, an apparatus may receive and process a first set of one or more independent data streams received in a downlink channel from a first transmission point. The apparatus may receive and process a second set of one or more independent data streams received in a downlink channel from a second transmission point. The apparatus may process control information received from the first transmission point or the second transmission point. The control information may include an indication of a quasi co-location assumption to be used for estimating channel characteristics for reception of the first set of one or more independent data streams or the second set of one or more independent data streams. Other embodiments may be described and/or claimed.

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Номер записи: 72
15-11-2016 дата публикации

Central processing unit and methods for supporting coordinated multipoint transmission in an LTE network

Номер: US0009497682B2
Автор: Alexei Davydov, Gregory Morozov, Hong He, Apostolos Papathanassiou, Seunghee Han, DAVYDOV ALEXEI, MOROZOV GREGORY, HE HONG, PAPATHANASSIOU APOSTOLOS, HAN SEUNGHEE, Davydov Alexei, Morozov Gregory, He Hong, Papathanassiou Apostolos, Han Seunghee
Принадлежит: Intel Corporation, INTEL CORP

Embodiments of a central processing unit and methods for supporting coordinated multi-point (CoMP) transmissions in a 3GPP LTE network with non-ideal backhaul links are generally described herein. In some embodiments, the CPU may be arranged for scheduling and assigning resources for subordinate enhanced node Bs (eNBs) over the backhaul links for CoMP transmissions. The scheduling may include an additional number of HARQ processes to compensate, at least in part, for backhaul link latency.

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Номер записи: 73
19-12-2017 дата публикации

Periodic channel state information reporting for time division duplex (TDD) carrier aggregation systems

Номер: US0009848351B2
Автор: Seunghee Han, Hong He, Jong-Kae Fwu, Alexei Davydov, Ilya Bolotin, HAN SEUNGHEE, HE HONG, FWU JONG-KAE, DAVYDOV ALEXEI, BOLOTIN ILYA, Han Seunghee, He Hong, Fwu Jong-Kae, Davydov Alexei, Bolotin Ilya
Принадлежит: INTEL CORPORATION, INTEL CORP

Technology for reporting periodic channel state information (CSI) is disclosed. One method can include determining a reporting period (Npd) of a user equipment (UE) for a serving cell. A Time-Division Duplex (TDD) uplink-downlink (UL-DL) configuration of a primary cell of the UE can be identified. A periodic CSI report for the serving cell can be transmitted, from the UE to the eNB, using a physical uplink control channel (PUCCH) on the primary cell according to the reporting period. The reporting period of Npd=1 can be used for the serving cell if the TDD UL-DL configuration of the primary cell is one of 0, 1, 3, 4, or 6 and all UL subframes of the primary cell in a radio frame are used for periodic CSI reporting.

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Номер записи: 74
19-12-2017 дата публикации

Periodic channel state information reporting for time division duplex (TDD) carrier aggregation systems

Номер: US0009848353B2
Автор: Seunghee Han, Hong He, Jong-Kae Fwu, Alexei Davydov, Ilya Bolotin, HAN SEUNGHEE, HE HONG, FWU JONG-KAE, DAVYDOV ALEXEI, BOLOTIN ILYA, Han Seunghee, He Hong, Fwu Jong-Kae, Davydov Alexei, Bolotin Ilya
Принадлежит: INTEL CORPORATION, INTEL CORP

Technology for a user equipment (UE) operable to report periodic channel state information (CSI) is disclosed. The UE can determine a reporting period (Npd) of the UE for a serving cell. The UE can identify a Time-Division Duplex (TDD) uplink-downlink (UL-DL) configuration of a primary cell of the UE. The UE can transmit a periodic CSI report for the serving cell to an evolved node B (eNB) using a physical uplink control channel (PUCCH) on the primary cell according to the reporting period. The UE can use the reporting period of Npd=1 for the serving cell if the TDD UL-DL configuration of the primary cell is one of 0, 1, 3, 4, or 6 and all UL subframes of the primary cell in a radio frame are used for periodic CSI reporting.

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Номер записи: 75
28-03-2017 дата публикации

Fast modulation and coding scheme adaptation protocol for long term evolution with multiple-user multiple input, multiple output

Номер: US0009609564B2
Автор: Alexei Davydov, Gregory Morozov, Seunghee Han, Alexander Maltsev, Ilya Bolotin, Vadim Sergeyev, Jong-Kae Fwu, DAVYDOV ALEXEI, MOROZOV GREGORY, HAN SEUNGHEE, MALTSEV ALEXANDER, BOLOTIN ILYA, SERGEYEV VADIM, FWU JONG-KAE, Davydov Alexei, Morozov Gregory, Han Seunghee, Maltsev Alexander, Bolotin Ilya, Sergeyev Vadim, Fwu Jong-Kae
Принадлежит: Intel Corporation, INTEL CORP

Embodiments for providing fast modulation and coding scheme adaptation for LTE regardless of transmission using single-user multiple-input and multiple-output (SU-MIMO) or multiple-user multiple-input and multiple-output are generally described herein. In some embodiments, channel state information reference signals are sent to user equipment by a node. First channel quality indication feedback based on the channel state information reference signals is received from the user equipment. Physical downlink shared channel data and demodulation reference signals are transmitted using a first modulation and coding scheme based on the first channel quality indication feedback. Second channel quality indication feedback based on measurements performed by the user equipment on the demodulation reference signals is received by a node. Physical downlink shared channel data is transmitted using a second modulation and coding scheme based on the second channel quality indication feedback.

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Номер записи: 76
29-08-2017 дата публикации

Periodic channel status information (CSI) reporting for enhanced interference management and traffic adaptation (EIMTA) systems with CSI subframe sets

Номер: US0009749892B2
Автор: Alexei Davydov, Alexey Khoryaev, Sergey Panteleev, Seunghee Han, DAVYDOV ALEXEI, KHORYAEV ALEXEY, PANTELEEV SERGEY, HAN SEUNGHEE, Davydov Alexei, Khoryaev Alexey, Panteleev Sergey, Han Seunghee
Принадлежит: Intel Corporation, INTEL CORP

Wireless device, method, and computer readable media are disclosed for determining which channel status information (CSI) report of a user equipment (UE) to drop from a physical uplink control channel (PUCCH) packet. The method may include determining that a first CSI report and a second CSI report are to be sent in the PUCCH, where the first CSI report has a first reporting type and a first CSI sub-frame set, and the second CSI report has a second reporting type and a second CSI sub-frame set. The method may include determining to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set. The determination to drop may be further based on a CSI processor index, serving cell index, and the CSI report priority.

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Номер записи: 77
22-12-2016 дата публикации

SYSTEMS AND METHODS FOR MODULATION AND CODING SCHEME SELECTION AND CONFIGURATION

Номер: US20160373287A1
Автор: Alexei Davydov, Hwan-Joon Kwon, Seunghee Han, Gregory V. Morozov, DAVYDOV ALEXEI, KWON HWAN-JOON, HAN SEUNGHEE, MOROZOV GREGORY V, Davydov Alexei, Kwon Hwan-Joon, Han Seunghee, Morozov Gregory V.
Принадлежит: INTEL IP CORPORATION

Methods, systems, and devices for modulation and coding scheme selection and configuration. A mobile communication device includes a table component, a table selection component, and a communication component. The table component is configured to maintain two or more tables each having entries for a plurality of available modulation schemes. The two or more tables include a default table and a secondary table. The default table and the secondary table have a matching number of entries, and the secondary table includes an entry corresponding to a 256-QAM scheme. The table selection component is configured to select a selected table from one of the default table and the secondary table. The communication component is configured to receive and process a communication from a base station based on a modulation and coding scheme of the selected table.

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Номер записи: 78
04-04-2017 дата публикации

Enhanced listen-before-talk (LBT) for unlicensed band operation with cell splitting

Номер: US0009615279B2
Автор: Alexei Davydov, DAVYDOV ALEXEI, Davydov Alexei
Принадлежит: Intel Corporation, INTEL CORP

Techniques of enhanced listen-before-talk (LBT) at an Evolved NodeB (eNB) are discussed. An example apparatus within an eNB implementing such techniques comprises a receiver circuit, processor, and transmitter circuit. The receiver circuit is configured to receive a set of signals over a selected frequency band. The processor is configured to determine a subset of the set via an energy detection metric; determine, for each signal of the subset, whether that signal comprises one of a plurality of Long Term Evolution (LTE) reference signals (RSs); and implement a back-off procedure in response to a determination that at least one signal of the subset does not comprise one of the plurality of LTE RSs. The transmitter is configured to transmit a transmission comprising a first RS of the plurality of LTE RSs in response to a determination that each signal of the subset comprises one of the plurality of LTE RSs.

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Номер записи: 79
03-10-2012 дата публикации

Modulation scheme for orthogonal frequency division multiplexing systems or the like

Номер: CN102710403A
Автор: Maltsev Alexander, Sadri Ali, Davydov Alexei
Принадлежит:

Briefly, in accordance with one embodiment of the invention, bit and power loading may be utilized to select a modulation rate and subcarrier power scaling based on channel state information. As a result, a higher data rate may be utilized for a given signal-to-noise ratio while maintaining a constant bit error rate.

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Номер записи: 80
08-01-2014 дата публикации

System and method of managing wireless communications with multiple transmission points

Номер: CN103503327A
Автор: Y .Zhu, Davydov Alexei, Etemad Kamran, Q .Li, X.Chen, Fwu Jong-Kae
Принадлежит:

An apparatus includes a processor and a channel state information (CSI) module operative on the processor to evaluate channel state information for a multiplicity of transmission points and to allocate a selection of channel state information reference signals (CSI-RS) to an uplink sub-frame allotted for transmitting channel quality/precoding matrix index/rank indicator (CQI/PMI/RI) information to a transmission point. The apparatus may further include a wireless transceiver operative to transmit the selection of CSI-RS in the uplink sub-frame to the transmission point in a wireless network, and receive information from the transmission point in response to the CSI-RS and a digital display operative to present the information received from the transmission point.

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Номер записи: 81
05-04-2012 дата публикации

FRAMEWORK FOR COORDINATED MULTIPOINT TRANSMISSION BASED ON A MULTICELL MAC/RRC DESIGN

Номер: US20120082082A1
Автор: Davydov Alexei, Etemad Kamran, Yang Xiangying, Zhang Yujian, Zhu Yuan
Принадлежит:

Briefly, in accordance with one or more embodiments, two or more cells are configured to perform coordinated multipoint (CoMP) transmission for one or more user equipment devices with a common media access control (MAC) or a common radio resource control (RRC). Measurement information is received from the one or more user equipment devices. One or more of the cells may be deactivated, or one or more additional cells may be activated for coordinated multipoint transmission based at least in part on the measurement information. 1. A method , comprising:configuring two or more cells to perform coordinated multipoint (CoMP) transmission for one or more user equipment devices with a common media access control (MAC) or a common radio resource control (RRC), or combinations thereof;receiving measurement information from the one or more user equipment devices; anddeactivating one or more of the cells or activating one or more additional cells for coordinated multipoint transmission based at least in part on the measurement information.2. A method as claimed in claim 1 , wherein the measurement information comprises radio resource measurement (RRM) measurements.3. A method as claimed in claim 1 , wherein one or more of the cells comprises a remote radio element in a distributed antenna system.4. A method as claimed in claim 1 , wherein two or more of the cells comprise different collocated antenna configurations of an enhanced Node B on a single cell site.5. A method as claimed in claim 1 , wherein the cells are distinguished based at least in part on a physical (PHY) layer cell identification (Cell-ID).6. A method as claimed in claim 1 , wherein said configuring comprises determining if two or more cells are operating on the same frequency for eligibility for coordinated multipoint operation claim 1 , and otherwise configuring cells operating on different frequencies for carrier aggregation.7. A method as claimed in claim 1 , further comprising designating one of the cells ...

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Номер записи: 82
10-05-2012 дата публикации

COORDINATED MULTI-POINT TRANSMISSION USING INTERFERENCE FEEDBACK

Номер: US20120114028A1
Автор: Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Embodiments of methods and apparatus for wirelessly receiving, by a user equipment (UE), interference signal from a first enhanced Node B (eNB) while the UE is communicating with a second eNB; generating interference feedback information that is associated with an interference channel between the first eNB and the UE; and transmitting the interference feedback information to the first eNB via the second eNB are disclosed. Additional variants and embodiments are also disclosed. 1. A method comprising:wirelessly receiving, by a user equipment (UE), interference signal from a first enhanced Node B (eNB) while the UE is communicating with a second eNB over a wireless communication channel;generating, by the UE, interference feedback information that is associated with an interference channel between the first eNB and the UE, based at least in part on receiving the interference signal from the first eNB; andtransmitting, by the UE, the interference feedback information to the first eNB via the second eNB.2. The method of claim 1 , wherein said generating the interference feedback information further comprises:generating the interference feedback information to facilitate a determination of a precoding matrix, by the first eNB, that reduces the interference signal.3. The method of claim 1 , wherein said generating the interference feedback information further comprises:estimating an interference feedback matrix that includes one or more eigenvectors of an interference matrix associated with the interference channel, based at least in part on receiving the interference signal; anddetermining an interference feedback matrix index associated with the interference feedback matrix, wherein the interference feedback information comprises the interference feedback matrix index.4. The method of claim 3 , further comprising:estimating, by the UE, a signal to interference plus noise ratio (SINR) without taking into account the interference signal from the first eNB.5. The method of ...

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Номер записи: 83
16-08-2012 дата публикации

ADAPTIVE PUNCTURING TECHNIQUE FOR MULTICARRIER SYSTEMS

Номер: US20120207242A1
Автор: Davydov Alexei V., Maltsev Alexander A., Sadri Ali S.
Принадлежит:

Various embodiments are described for adaptive puncturing techniques. 1. An apparatus comprising:an adaptive bit loading block to receive channel state information for a plurality of subcarriers and to select a modulation scheme and a puncturing pattern for each of the plurality of subcarriers or for each of a plurality of subbands based on the channel state information;a puncturing block to puncture a coded bit stream for each of a plurality of subcarriers or subbands in accordance with the selected puncturing pattern;a mapping block to map a coded and punctured bit stream output from the puncturing block to one or more subcarrier symbols for each of the plurality of subcarriers or subbands.2. The apparatus of and further comprising an encoder coupled to the puncturing block to produce the encoded bit stream.3. The apparatus of wherein the encoder comprises a convolutional encoder.4. The apparatus of wherein each of the subbands comprises a plurality of subcarriers.5. The apparatus of wherein the mapping block comprises a mapping block to map a coded and punctured bit stream output from the puncturing block to one or more OFDM subcarrier symbols for each of a plurality of OFDM subcarriers or OFDM subcarrier subbands claim 1 , where the OFDM subcarrier subbands comprises a plurality of OFDM subcarriers.6. The apparatus of and further comprising an OFDM modulator to modulate a selected subcarrier symbol onto a OFDM subcarrier for each of a plurality of OFDM subcarriers.7. The apparatus of wherein the puncturing pattern and/or modulation scheme for a subcarrier are selected such that the number of bits in the subcarrier symbol or subband are the same or a multiple of a number of output coded bits in a puncturing pattern.8. The apparatus of wherein a puncturing pattern and/or modulation scheme are selected such that one or more sets of output coded bits in a puncturing pattern may map onto one subcarrier or one subband.9. The apparatus of wherein a puncturing pattern ...

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Номер записи: 84
25-04-2013 дата публикации

Beamforming using base and differential codebooks

Номер: US20130100898A1
Автор: Alexei Davydov, Huaning Niu, Qinghua Li, Xintian E. Lin, Yuan Zhu
Принадлежит: Alexei Davydov, Huaning Niu, Qinghua Li, Xintian E. Lin, Yuan Zhu

Embodiments of methods and apparatus for determining and/or quantizing a beamforming matrix are disclosed. In some embodiments, the determining and/or quantizing of the beamforming matrix may include the use of a base codebook and a differential codebook. Additional variants and embodiments are also disclosed.

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Номер записи: 85
09-05-2013 дата публикации

DYNAMIC POINT SELECTION VIA A COORDINATING SET OF BASE STATIONS

Номер: US20130114524A1
Автор: Davydov Alexei, Sirotkin Alexander
Принадлежит: Intel Corporation

Examples are disclosed for coordinating transmission of one or more protocol data units to a wireless device from a coordinating set of base stations. In some examples, coordinating may include exchanging information via a backhaul communication channel coupling or interconnecting the base stations included in the coordinating set of base stations. For these examples, one or more protocol data units may be transmitted to the wireless device from the coordinating set of base stations via a plurality of separate communication links based on the exchanged information. Other examples are described and claimed. 1. A computer-implemented method comprising:receiving, at a base station for a wireless network, measurement information from a wireless device that indicates an ability of the wireless device to receive data from a coordinating set of base stations via a plurality of separate communication links;coordinating transmission of one or more protocol data units to the wireless device from the coordinating set of base stations, the coordinating to include exchanging information via one or more backhaul communication channels coupling base stations included in the coordinating set of base stations; andcausing the one or more protocol data units to be transmitted to the wireless device from the coordinating set of base stations via the plurality of separate communication links based, at least in part, on the exchanged information.2. The computer-implemented method of claim 1 , comprising the coordinating set to include the base station and one or more other base stations of the wireless network.3. The computer-implemented method of claim 1 , comprising coordinating transmission of the one or more protocol data units to balance transmission load of the one or more protocol data units between the base stations included in the coordinating set of base stations or mitigate downlink transmission interference between the base stations included in the coordinating set of base ...

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Номер записи: 86
09-05-2013 дата публикации

CHANNEL STATE INFORMATION FEEDBACK IN COORDINATED MULTI-POINT SYSTEM

Номер: US20130114658A1
Автор: Davydov Alexei Vladimirovich, Li Qinghua, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Zhu Yuan
Принадлежит:

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for communication of channel state information among network entities. In various embodiments, may calculate first-, second- and third-stage channel state information for nodes of a coordinated multipoint measurement set. Other embodiments may be described and/or claimed. 1. An apparatus comprising: set a first rank for a plurality of nodes in coordinated multipoint (CoMP) measurement set, the plurality of nodes including a serving node to wirelessly communicate with a user equipment and one or more coordinating nodes to coordinate with the serving node to facilitate wireless communication with the user equipment;', 'calculate first-stage channel state information (CSI), including a first subband configuration, for the first rank;', 'calculate second-stage CSI for a second rank based on the first subband configuration, wherein the second rank is less than the first rank; and', 'calculate third-stage CSI for the first subband configuration and the first rank based on the second-stage CSI; and, 'a channel estimation and feedback module (CEFM) toa transmitter module to receive the third-stage CSI from the CEFM and to feed back the third-stage CSI to a selected node of the plurality of nodes.2. The apparatus of claim 1 , wherein the CEFM is to set the first rank equal to each of a number of candidate ranks to provide a plurality of iterations claim 1 , and is further configured to:calculate the first-stage, second-stage, and third-stage CSIs for each of the plurality of iterations; anddetermine throughput associated with third-stage CSIs from each of the plurality of iterations.3. The apparatus of claim 2 , wherein the CEFM is further configured to:determine a value of the third-stage CSI from a first iteration of the plurality of iterations corresponds to a highest relative throughput; andselect the value for feeding back to the serving node.4. The ...

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Номер записи: 87
09-05-2013 дата публикации

Beamforming coordination in heterogeneous networks

Номер: US20130115985A1
Автор: Alexander Maltsev, Alexei Davydov, Andrey Pudeyev, Gregory V. Morozov
Принадлежит: Intel Corp

Technology for spatial domain beamforming coordination at a low power node (LPN) in a heterogeneous network (HetNet) is disclosed. One method can include the LPN collecting spatial feedback information of macro node interference from a plurality of wireless devices in a LPN cell. The LPN can compile the spatial feedback information into a spatial feedback report. The LPN can send the spatial feedback report from the LPN to a macro node for calculating a beamforming vector to reduce the macro node interference for the plurality of wireless devices in the LPN cell.

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Номер записи: 88
09-05-2013 дата публикации

Techniques for Mitigating Interference Associated with Downlink Transmissions from a Base Station

Номер: US20130115999A1
Автор: Davydov Alexei, Sirotkin Alexander
Принадлежит:

Examples are disclosed for causing one or more subframes to be transmitted from a base station for a wireless network based on beamforming or transmission power characteristics. In some examples, an interference report may be received at a base station via a backhaul communication link. The interference report may indicate measured interference from the base station as measured at one or more wireless devices. The base station may transmit subsequent subframes in a manner to mitigate the previously reported interference. Other examples are described and claimed. 1. A computer-implemented method comprising:receiving, at a first base station for a wireless network, an interference report from a second base station for the wireless network via a backhaul communication link, the interference report including information based on measured interference at one or more wireless devices coupled to the second base station, the interference associated with downlink transmissions from the first base station;determining at least one of a beamforming characteristic or a transmission power setting characteristic for one or more subframes to be transmitted from the first base station based, at least in part, on the interference information included in the received interference report; andcausing the one or more subframes to be transmitted from the first base station based on at least one of the beamforming characteristic or the transmission power setting characteristic.2. The computer-implemented method of claim 1 , comprising the determined beamforming characteristic including a per physical resource block (PRB) precoding matrix indicator (PMI) settings for the one or more subframes to be transmitted from the first base station.3. The computer-implemented method of claim 1 , causing the one or more subframes to be transmitted from the first base station comprises coordinating one or more beamforming actions between the first base station and the second base station in order to ...

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Номер записи: 89
27-06-2013 дата публикации

DEVICE, SYSTEM AND METHOD OF MULTI-USER MULTI-INPUT-MULTI-OUTPUT WIRELESS COMMUNICATION

Номер: US20130163554A1
Автор: Davydov Alexei, Maltsev Alexander, Morozov Gregory
Принадлежит:

Device, system, and method of multi-user multi-input-multi-output (MIMO) wireless communication. In some embodiments, a wireless communication device () may be capable of receiving a plurality of channel feedback transmissions from a plurality of user devices () respectively, wherein a channel feedback transmission from a user device of the user devices includes partial information relating to a MIMO channel matrix between the wireless communication unit and the user device; and transmitting a multi -user MIMO transmission to the plurality of user devices according to a MIMO beamforming scheme, wherein the MIMO beamforming scheme is based on the plurality of channel feedback transmissions. 1. A wireless communication device including:a wireless communication unit to transmit a multi-user multi-input-multi-output (MIMO) transmission to a plurality of user devices according to a MIMO beamforming scheme,wherein the wireless communication unit is to receive a plurality of channel feedback transmissions from the plurality of user devices, respectively, wherein a channel feedback transmission from a user device of the user devices represents a plurality of eigenvectors corresponding to a MIMO channel matrix between the wireless communication unit and the user device,and wherein the wireless communication unit is to determine the MIMO beamforming scheme based on the plurality of channel feedback transmissions.2. The wireless communication device of claim 1 , wherein the multi-user MIMO transmission includes two or more transmission streams directed to the user device claim 1 , and wherein a number of the plurality of eigenvectors represented by the channel feedback transmission is equal to a number of the transmission streams.3. The wireless communication device of claim 1 , feedback transmission represents a plurality of dominant eigenvectors corresponding to a respective plurality of dominant eigenvalues of the channel matrix.4. The wireless communication device of claim ...

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Номер записи: 90
01-08-2013 дата публикации

EVOLVED NODE B AND METHOD FOR COHERENT COORDINATED MULTIPOINT TRANSMISSION WITH PER CSI-RS FEEDBACK

Номер: US20130194943A1
Автор: Bolotin IIya, Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

An evolved Node B (eNB) and method for coherent coordinated multipoint transmission with per CSI-RS feedback are generally described herein. The eNB may configure a first cooperating point and a second cooperating point to jointly transmit a multi-node channel-state information (CSI) reference signal (RS) (CSI-RS) in predetermined resource elements of a resource block. The eNB may receive CSI reports as feedback from user equipment (UE). The CSI reports may include a precoding matrix indicator (PMI) indicating relative phase information between the cooperating points based on the multi-node CSI-RS. The CSI reports for the multi-node CSI-RS may be restricted to a PMI of rank-1. The eNB may configure the cooperating points for a coherent joint transmission to the UE based at least on the relative phase information. The coherent joint transmission may also be jointly beamformed based on single-node PMIs. 1. An evolved Node B (eNB) configured for coherent joint transmission , the eNB to:configure at least a first cooperating point and a second cooperating point to jointly transmit a multi-node channel-state information (CSI) reference signal (RS) (CSI-RS) in predetermined resource elements of a resource block;receive CSI reports as feedback from user equipment (UE), the CSI reports including a precoding matrix indicator (PMI) indicating relative phase information between the first and second cooperating points based on the multi-node CSI-RS; andconfigure at least the first and second cooperating points for a coherent joint transmission to the UE based at least on the relative phase information.2. The eNB of wherein the multi-node CSI-RS transmitted by each of the cooperating points is based on a same bit sequence claim 1 ,wherein transmissions of the multi-node CSI-RS by different antenna ports are distinguishable, andwherein the eNB is configured to indicate to the UE to restrict the CSI reports for the multi-node CSI-RS to a PMI of rank-1.3. The eNB of wherein the ...

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Номер записи: 91
01-08-2013 дата публикации

COORDINATED MULTIPOINT CONFIGURATION BASED ON CHANNEL STATE INFORMATION REFERENCE SIGNALS

Номер: US20130196699A1
Автор: Bolotin Ilya, Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for configuring coordinated multipoint (CoMP) for network devices. In various embodiments, configuration of the CoMP may be based on channel state information reference signals. Other embodiments may be described and/or claimed. 1. An apparatus comprising:measurement feedback circuitry configured to receive a boundary metric from a user equipment (UE), wherein the boundary metric is based on UE measurements of one or more channel state information—reference signals (CSI-RSs) and indicates a proximity of the UE to a boundary of a coordinated multipoint (CoMP) cluster; andCoMP control circuitry configured to determine a CoMP configuration for the UE based on the boundary metric.2. The apparatus of claim 1 , wherein the CoMP control circuitry is configured to determine the CoMP configuration for the UE by being further configured to:select, from a plurality of nodes of a CoMP management set, at least one node to be included in a CoMP measurement set.3. The apparatus of claim 2 , wherein the CoMP control circuitry is further configured to transmit an indication of the CoMP measurement set to the UE.4. The apparatus of claim 1 , wherein the CoMP control circuitry is further configured to select individual CoMP measurement sets for individual UEs communicatively associated with the apparatus.5. The apparatus of claim 1 , wherein the boundary metric comprises a reference signal received quality (RSRQ) value.6. The apparatus of claim 5 , wherein the RSRQ is a ratio of a reference signal received power (RSRP) value to a receive strength signal indicator (RSSI) value.7. The apparatus of claim 6 , wherein the RSRP value and the RSSI value are CSI-RS-based metrics.8. The apparatus of claim 6 , wherein the RSRP value and the RSSI value are based on long-term measurements.9. The apparatus of claim 1 , wherein the boundary metric is a signal to interference plus ...

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Номер записи: 92
19-09-2013 дата публикации

MOBILE DEVICE TRANSMITTER AND METHODS FOR TRANSMITTING SIGNALS IN DIFFERENT SIGNAL DIMENSIONS FOR 3GPP LTE

Номер: US20130243118A1
Автор: Chen Xiaogang, Davydov Alexei, Kenney Thomas J., Li Qinghua, Lin Xintian E., Niu Huaning, Perahia Eldad, Zhu Yuan
Принадлежит:

Embodiments of a mobile device transmitter and methods for transmitting signals in different signal dimensions are generally disclosed herein. The mobile device transmitter comprises a mapper to map a block of two or more input modulation symbols to different signal dimensions comprising two or more spatial dimensions, and linear transform circuitry to perform a linear transform on the block of mapped input modulation symbols to generate a block of preceded complex-valued output symbols such that each output symbol carries some information of more than one input modulation symbol. The mobile device also comprises transmitter circuitry to generate time-domain signals from the blocks of precoded complex-valued output symbols for each of the spatial dimensions for transmission using the two or more antennas. The precoded complex-valued output symbols are mapped to different signal dimensions comprising at least different frequency dimensions prior to transmission. 1. A mobile device transmitter comprising:a mapper to map a block of two or more input modulation symbols to different signal dimensions comprising two or more spatial dimensions;linear transform circuitry to perform a linear transform on the block of mapped input modulation symbols to generate a block of preceded complex-valued output symbols such that each output symbol carries some information of more than one input modulation symbol; andtransmitter circuitry to generate time-domain signals from the blocks of preceded complex-valued output symbols for each of the spatial dimensions for transmission using the two or more antennas, the preceded complex-valued output symbols being mapped to different signal dimensions comprising at least different frequency dimensions prior to transmission.2. The transmitter of wherein the different frequency dimensions comprise different sets of frequency subcarriers.3. The transmitter of wherein the different signal dimensions comprise different frequency dimensions and ...

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Номер записи: 93
19-09-2013 дата публикации

INTERFERENCE MITIGATION IN THE CONTEXT OF HETEROGENEOUS NETWORKS WITH COORDINATED TRANSMISSION POINTS WITH A COMMON TRANSMISSION POINT IDENTITY

Номер: US20130244709A1
Автор: Bolotin Ilya, Davydov Alexei, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Technology is discussed for extending frequency and time based approaches, such as Inter-Cell Interference Coordination (ICIC) and enhanced ICIC (eICIC), to interference mitigation for clusters within a Wireless Wide Area Network (WWAN) of transmission points with a common transmission point identity. Multiple transmission power messages correlated to different transmission point characteristics can be configured among multiple transmission points sharing the same transmission point identity. These multiple transmission power messages can be used to coordinate transmissions from adjacent transmission points on differing frequencies. Additionally, new sets of reference signals can be configured to correlate to different transmission point characteristics. These new, correlated reference signals can be used to decouple measurements used to provide feedback to one set of transmission points from reference signals transmitted by another set of transmission points with the same transmission point identity. 1. A computer program product comprising a non-transitory computer usable medium having a computer readable program code embodied therein , the computer readable program code adapted to be executed to implement instructions for a method for mitigating interference across clusters of wireless transmission points , comprising:configuring, at a Down Link (DL) transmission point, a Relative Narrowband Transmit Power (RNTP) message indicating a first set of resource blocks at which the DL transmission point is set to transmit with a power that is one of at a power threshold and above a power threshold and a second set of resource blocks at which the DL transmission point is set to transmit with a power less than the power threshold;identifying an attribute of the DL transmission point corresponding to the RNTP message distinct from a common Cell-IDentification (Cell-ID) of a Coordinated Multi Point (CoMP) cluster to which the DL transmission point pertains, the common Cell- ...

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Номер записи: 94
26-09-2013 дата публикации

COORDINATED MULTIPOINT COMMUNICATION NETWORK WITH MULTIPLE COOPERATING eNBs AND METHOD FOR BEAMFORMING COORDINATION WITH INTERFERENCE SUPPRESSION

Номер: US20130250885A1
Автор: Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich
Принадлежит:

Embodiments of an enhanced Node-B (eNB) configured to operate as a serving eNB in a coordinated multi-point (CoMP) communication network and method are generally described herein. The serving eNB precodes signals for transmission to user equipment (UE) using a precoding matrix that is selected based on a reference PMI for a beamformed transmission in accordance with a modulation and coding scheme (MCS) that is selected from a modified CQI. When operating in coordination mode, on more cooperating eNBs are configured to suppress interference to the UE using coordination PMIs during the resource block allocated for the beamformed transmission. 1. An enhanced Node-B (eNB) configured to operate as a serving eNB in a coordinated multi-point (CoMP) communication network , the serving eNB configured to:receive a reference channel quality indicator (CQI) and one or more coordination CQIs from user equipment (UE);receive a reference precoding matrix indicator (PMI) associated with the reference CQI and a coordination PMI associated with each coordination CQI from the UE;calculate a modified CQI from the reference CQI and the coordination CQIs;provide the coordination PMIs to one or more cooperating eNBs for interference suppression; andprecode signals for transmission to the UE using a precoding matrix that is selected based on the reference PMI for a beamformed transmission in accordance with a modulation and coding scheme (MCS) that is selected from the modified CQI.2. The eNB of wherein the reference CQI is selected by the UE based on direct channel information from the serving eNB claim 1 ,wherein each coordination CQI selected by the UE based on both the direct channel information and interfering channel information for each of the cooperating eNBs,wherein the MCS that is selected based on the modified CQI is configured to provide a greater data rate than an MCS that would selected based solely on the reference CQI, andwherein when operating in coordination mode, the ...

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Номер записи: 95
10-10-2013 дата публикации

HIGHER ORDER MU-MIMO FOR LTE-A

Номер: US20130265980A1
Автор: Davydov Alexei Vladimirovich, Zhu Yuan
Принадлежит:

An access node of a 3GPP LTE-based wireless communication network comprises a transmitter portion that transmits downlink control information (DCI) to at least one wireless station of a plurality of wireless stations wirelessly accessing the node as a Multi-User Multiple Input Multiple Output (MU-MIMO) wireless communication network. The DCI comprises at least one code word indicating a rank of a channel matrix between the transmitter portion of the node and the wireless station greater than 4 and a spatial-related configuration for the wireless station. In one exemplary embodiment, the transmitter portion transmits the DCI from one substantially localized geographical transmission point forming a single-cell access point for the plurality of wireless stations. In another exemplary embodiment, the transmitter portion transmits the DCI from multiple geographically substantially isolated transmission points forming a single-cell access point. 1. An access node of a wireless communication network , the access node comprising a transmitter portion capable of transmitting downlink control information to at least one wireless station of a plurality of wireless stations wirelessly accessing the node as a Multi-User Multiple Input Multiple Output (MU-MIMO) wireless communication network , the downlink control information transmitted to the at least one wireless station being transparent to at least one other wireless station , the downlink control information comprising at least two code words indicating a rank of a channel matrix between the transmitter portion of the node and the wireless station greater than 4 and a spatial-related configuration for the wireless station.2. The access node according to claim 1 , whereinthe downlink control information comprises one code word of the at least two code words is enabled and another code word of the two code words is disabled, the one enabled code word indicating support for up to a rank 8 MU-MIMO wireless network and each ...

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Номер записи: 96
10-10-2013 дата публикации

Uplink power control scheme for distributed rrh systems with same cell id

Номер: US20130265981A1
Автор: Alexei Vladimirovich Davydov, Apostolos Papathanassiou, Hujun Yin, Jin Fu, JONG-KAE FWU, Kamran Etemad, Rongzhen Yang, Xiangying Yang, Yuan Y. ZHU
Принадлежит: Intel Corp

Uplink power control in a macro cell in a wireless network comprises transmitting a reference signal from a base station device to at least one wireless device within the macro cell. The macro cell comprises the base station device and at least one radio transmitter device that is communicatively coupled to and remote from the base station device. The base station device and one or more radio transmitter devices could be selected to be a transmission point, a reception point or a combination thereof, for each wireless device. Information relating to a transmission power of the base station device is also transmitted to the at least one wireless device. An uplink signal is received from the at least one wireless device containing information relating to an uplink power determination that is based on the reference signal and the information relating to the transmission power of the base station device.

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Номер записи: 97
17-10-2013 дата публикации

INTERFERENCE NOTIFICATION IN DEVICE-TO-DEVICE COMMUNICATION

Номер: US20130272196A1
Автор: Chen Xiaogang, Davydov Alexei, Fwu Jong-Kae, Huang Rui, Li Honggang, Li Qinghua, Zhu Yuan
Принадлежит:

Systems and techniques for wireless device-to-device (D2D) communication are provided herein. A D2D group identifier may be included in wireless transmissions within D2D groups. D2D interference mitigation processes may be initiated when a D2D group identifier is detected by a wireless device outside the D2D group. 1. A wireless device comprising circuitry configured to:detect a group identifier in a wireless transmission from a second wireless device served by a second eNB, the group identifier representative of a second device-to-device (D2D) communication group to which the second wireless device belongs, the second D2D communication group different from a first D2D communication group to which the wireless device belongs; andtransmit the group identifier or an identifier of the second eNB to a first eNB serving the wireless device to notify the first eNB of interference from the second D2D communication group.2. The wireless device of claim 1 , wherein detect a group identifier in a wireless transmission from a second wireless device comprises:receive the wireless transmission on a channel allocated, by the first eNB, to the first D2D communication group.3. The wireless device of claim 1 , wherein the first eNB is a same eNB as the second eNB.4. The wireless device of claim 1 , wherein the circuitry is further configured to:transmit, to the first eNB, a measurement of a level of interference from the second wireless device.5. The wireless device of claim 1 , wherein detect a group identifier in a wireless transmission from a second wireless device served by a second eNB comprises identify a group identifier in a group identifier field of a control header of the wireless transmission.6. The wireless device of claim 5 , wherein the control header of the wireless transmission further comprises a control type field and a control message field.7. The wireless device of claim 5 , wherein the control header of the wireless transmission further comprises a duration ...

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Номер записи: 98
17-10-2013 дата публикации

MULTI-ACCESS SCHEME AND SIGNAL STRUCTURE FOR D2D COMMUNICATIONS

Номер: US20130272262A1
Автор: Chen Xiaogang, Davydov Alexei, Fwu Jong-Kae, Hsuan Yi, Li Honggang, Li Qinghua, Lin Xintian E., Niu Huaning, Wong Wendy C., Yin Hujun, Zhang Yujian, Zhu Yuan
Принадлежит:

A signal structure for use in D2D communications is described. In one embodiment, a preamble for automatic gain control at the receiver end is included in the transmitted signal. Techniques for scheduling of D2D transmissions using carrier sensing multiple access (CSMA) and a power control schemes for interference management are also described. 1. A user equipment (UE) device , comprising:a radio transceiver to provide an air interface for communicating with an eNB (evolved node B) and for D2D (device-to-device) communications; andprocessing circuitry connected to the radio transceiver to:receive allocations of time-frequency resources for D2 D communications from the eNB;establish a D2D communications session with a second UE, wherein D2D transmissions to and from the second UE are organized into D2D slots with each D2D slot beginning with a preamble and containing a plurality of OFDM or SC-FDM symbols; and,perform automatic gain control (AGC) using the preambles of received D2D slots.2. The device of wherein the preamble is a repeating signal sequence in the time domain.3. The device of wherein the processing circuitry is further to detect the preamble of received D2D slots via autocorrelation.4. The device of wherein each D2D slot includes one or more reference symbols.5. The device of wherein the processing circuitry is further to initiate a communications session with the second UE using carrier sense multiple access (CSMA) with respect to a D2D slot by:sensing a current D2D slot to determine if transmission activity is present; and,if the current D2D slot is not busy, sending a D2D transmission to the second UE at the start of a subsequent D2D slot.6. The device of wherein the processing circuitry is further to initiate a communications session with the second UE by:if the current D2D slot is not busy, starting a countdown with a selected number;decrementing the countdown after each non-busy D2D slot is detected and suspending the countdown when a busy D2D ...

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Номер записи: 99
31-10-2013 дата публикации

Signal interference measurements in a wireless communication network

Номер: US20130286867A1
Автор: Alexander Maltsev, Alexei Davydov, Gregory Morozov, Ilya BOLOTIN, Vadim Sergeyev
Принадлежит: Intel Corp

Embodiments of the present disclosure describe techniques and configurations for handling interference measurements in a wireless communication network. An apparatus may include computer-readable media having instructions and processors coupled with the computer-readable media and configured to execute the instructions to identify, for a serving eNB, a neighboring eNB for which signal interference measurements are to be performed by one or more wireless devices served by the serving eNB, and request that the neighboring eNB transmit typical interference signals within data units which are configured for, and may or may not have, a scheduled physical downlink shared channel transmission. The wireless devices may be configured to perform the signal interference measurements based at least in part on the typical interference signals, which may include non-zero-power signals or zero-power signals. Other embodiments may be described and claimed.

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Номер записи: 100
31-10-2013 дата публикации

WIRELESS COMMUNICATION SYSYTEM WITH COMMON CELL ID

Номер: US20130286997A1
Автор: Davydov Alexei, Etemad Kamran, Maltsev Alexander, Morozov Gregory V., Sergeyev Vadim, Zhang Yujian, Zhu Yuan
Принадлежит: Intel Corporation

Briefly, in accordance with one or more embodiments, a conventional physical downlink control channel (PDCCH) is transmitted in a first region of a physical downlink control channel structure utilized by a remote radio head that has been assigned a cell identifier that is common to one or more other remote radio heads within the cell, and an enhanced physical downlink control channel (ePDCCH) is transmitted in a second region of the physical downlink control channel structure. 1. An article of manufacture comprising a storage medium having instructions stored thereon that , if executed , result in:transmitting a conventional physical downlink control channel (PDCCH) in a first region of a physical downlink control channel structure utilized by a remote radio head that has been assigned a cell identifier that is common to one or more other remote radio heads, or base station, or combinations thereof, within the cell; andtransmitting an enhanced physical downlink control channel (ePDCCH) in a second region of the physical downlink control channel structure.2. An article of manufacture as claimed in claim 1 , wherein the instructions claim 1 , if executed claim 1 , further result in modulating the conventional physical downlink control channel with a common scrambling code for said transmitting the conventional physical downlink control channel.3. An article of manufacture as claimed in claim 2 , wherein the common scrambling code is common to multiple remote radio heads claim 2 , or base station claim 2 , or combinations thereof claim 2 , within the cell.4. An article of manufacture as claimed in claim 1 , wherein the instructions claim 1 , if executed claim 1 , further result in modulating demodulation reference signals with a specific scrambling sequence for said transmitting the enhanced physical downlink control channel.5. An article of manufacture as claimed in claim 4 , wherein the specific scrambling code is specific to one or more remote radio heads claim 4 , ...

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Номер записи: 101
31-10-2013 дата публикации

CO-PHASING OF TRANSMISSIONS FROM MULTIPLE INFRASTRUCTURE NODES

Номер: US20130288728A1
Автор: Davydov Alexei, Etemad Kamran, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim S., Yang Xiangying, Zhang Yujian, Zhu Yuan
Принадлежит:

Briefly, in accordance with one or more embodiments, mobile station or user equipment receives pilot signals from two or more infrastructure nodes in a distributed antenna system, and calculates phase or timing information, or combinations thereof, from the pilot signals. The mobile station feeds back the phase or timing information, or combinations thereof, to the infrastructure nodes, and then receives one or more subsequent transmissions from the infrastructure nodes with phase shift or timing adjustments, or combinations thereof, calculated by the infrastructure nodes and applied to the spatial streams transmitted by the infrastructure nodes. 1. A method , comprising:receiving pilot signals from two or more infrastructure nodes;calculating adjustments to apply to one or more spatial streams of the infrastructure nodes;transmitting the calculated adjustments to the infrastructure nodes; andreceiving one or more subsequent transmissions from the infrastructure nodes with the adjustments applied to the spatial streams received from the infrastructure nodes.2. A method as claimed in claim 1 , wherein the adjustments comprise phase-shift adjustments or timing adjustments claim 1 , or combinations thereof.3. A method as claimed in claim 1 , wherein said calculating comprises calculating intra-node adjustments by calculating pre-coding vectors for the spatial streams for respective infrastructure nodes.4. A method as claimed in claim 1 , wherein said calculating adjustments comprises calculating inter-node adjustments by calculating adjustments to apply to the spatial streams for respective infrastructure nodes.5. A method as claimed in claim 1 , further comprising applying the calculated adjustments to one or more subcarriers according to a function of frequency.6. A method as claimed in claim 5 , wherein the function is a linear function claim 5 , a non-linear function claim 5 , a filter function claim 5 , or combinations thereof.7. An article of manufacture ...

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Номер записи: 102
07-11-2013 дата публикации

SYSTEM AND METHOD OF UPLINK POWER CONTROL IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20130294390A1
Автор: Chen Xiaogang, Davydov Alexei, Etemad Kamran, Fwu Jong-Kae, Hsuan Yi, Li Qinghua, Niu Huaning, Papathanassiou Apostolos, Yang Rongzhen, Yin Hujun, Zhang Yujian, Zhu Yuan
Принадлежит:

An apparatus may include a transceiver operable to receive a downlink message from a base station for a serving cell, the downlink message allocating a set of control parameters. The apparatus may also include a processor circuit communicatively coupled to the transceiver and an uplink power control module operable on the processor circuit to read the set of control parameters, and apply a signal-to-noise-and-interference (SINR) parameter based on the received set of control parameters to determine physical uplink shared channel (PUSCH) power to be applied for a PUSCH transmission. Other embodiments are disclosed and claimed. 128-. (canceled)29. An apparatus , comprising:a transceiver operable to receive a downlink message from a base station for a serving cell, the downlink message allocating a set of control parameters;a processor circuit communicatively coupled to the transceiver; and read the set of control parameters; and', 'apply a signal-to-noise-and-interference (SINR) parameter based on the received set of control parameters to determine physical uplink shared channel (PUSCH) power to be applied for a PUSCH transmission., 'an uplink power control module operable on the processor circuit to30. The apparatus of claim 29 , the SINR parameter defined by SINR(j) claim 29 , where c represents the serving cell claim 29 , and j represents a PUSCH transmission parameter.31. The apparatus of claim 29 , the uplink power control module operable on the processor circuit to determine PUSCH power by applying full pathloss compensation.32. The apparatus of claim 29 , the uplink power control module operable on the processor circuit to:determine whether a physical uplink control channel (PUUCH) transmission is to accompany the PUSCH transmission; andset the PUSCH power according to whether the PUUCH transmission is to accompany the PUSCH transmission.35. The apparatus of claim 30 , SINR(j) determined from a received control parameter SINR(dB) that denotes a minimum expected ...

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Номер записи: 103
14-11-2013 дата публикации

SIGNALING FOR DOWNLINK COORDINATED MULTIPOINT IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20130301548A1
Автор: Davydov Alexei, Etemad Kamran
Принадлежит:

Embodiments herein describe apparatuses, systems, and methods for signaling to support downlink coordinated multipoint (CoMP) communications with a user equipment (UE) in a wireless communication network. In embodiments, the UE may be configured with a plurality of channel state information (CSI) processes (e.g., via radio resource control (RRC) signaling) to use for providing CSI feedback to an evolved Node B (eNB) to support downlink CoMP communications. The UE may be configured with a plurality of sets of CSI processes. The UE may further receive a downlink control information (DCI) message from the eNB that indicates one of the configured sets of CSI processes on which the UE is to provide CSI feedback to the UE. The UE may generate the CSI feedback for the indicated set of CSI processes, and transmit the CSI feedback to the eNB in a CSI report. 1. An apparatus to be employed by a user equipment (UE) , the apparatus comprising:a communications module configured to communicate with an evolved Node B (eNB) over a wireless communications network; and [ a first value to indicate that the feedback module is to provide a CSI report for a first set of pre-configured CSI processes associated with a serving cell;', 'a second value to indicate that the feedback module is to provide a CSI report for a second set of pre-configured CSI processes; or', 'a third value to indicate that the feedback module is to provide a CSI report for a third set of pre-configured CSI processes; and, 'receive, via the communications module, a downlink control information (DCI) message from the eNB, the DCI message including a two-bit channel state information (CSI) request field, wherein the CSI request field is to have, 'generate CSI feedback for CSI processes indicated by the CSI request field; and', 'transmit, via the communications module, a CSI report to the eNB on a physical uplink shared channel (PUSCH), the CSI report including the generated CSI feedback., 'a feedback module coupled to ...

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Номер записи: 104
14-11-2013 дата публикации

COORDINATED DYNAMIC POINT SELECTION (DPS) WITH CELL RANGE EXPANSION IN A COORDINATED MULTIPOINT (CoMP) SYSTEM

Номер: US20130303167A1
Автор: Chatterjee Debdeep, Chen Xiaogang, Davydov Alexei, Fwu Jong-Kae, Li Qinghua, Morozov Gregory V., Niu Huaning, Zhu Yuan
Принадлежит:

Technology for mitigating edge effect interference in a Coordinated MultiPoint (CoMP) system having multiple CoMP clusters is disclosed. In an example, a method can include a macro node transmitting a cell range expansion request to user equipments (UEs) within a cell. A CoMP cluster for nodes within the cell that includes UEs operating with the cell range expansion can be generated. Blanked resources between a plurality of macro nodes for the CoMP clusters in the CoMP system can be coordinated using a muting preference including a blanked resource. 1. A method for mitigating edge effect interference in a Coordinated MultiPoint (CoMP) system having multiple CoMP clusters , comprising:transmitting from a macro node a cell range expansion request to user equipments (UEs) within a cell;generating a CoMP cluster, from at least one of the macro node or a neighboring macro node, for nodes within the cell that includes UEs operating with the cell range expansion; andcoordinating blanked resources, from at least one of the macro node or the neighboring macro node, between a plurality of macro nodes for the CoMP clusters in the CoMP system using a muting preference including a blanked resource;2. The method of claim 1 , wherein transmitting the cell range expansion request further comprises:sending the cell range expansion request for a UE to apply a cell range expansion bias, wherein the UE is adjacent to a receptor cell low power node (LPN) in a neighboring cell; andcoordinating, at the macro node, an handover of the UE from macro node to the receptor cell LPN based on the cell range expansion applied by the UE.3. The method of claim 2 , wherein the cell range expansion bias uses a specified reference signal (RS) biasing having a range greater than 0 decibel (dB) to about 16 dB; and the UE measures an LPN RS to generate an LPN RS measurement selected from the group consisting of a reference signal received power (RSRP) claim 2 , a reference signal received quality (RSRQ) ...

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Номер записи: 105
05-12-2013 дата публикации

MEASUREMENT OF NODES IN COORDINATED MULTIPOINT (CoMP) SYSTEMS

Номер: US20130322273A1
Автор: Davydov Alexei, Etemad Kamran, Zhang Yujian
Принадлежит:

Technology for enabling radio resource management (RRM) measurements in coordinated multi-point (CoMP) transmission and reception is disclosed. One method comprises sending, from an evolved node B (eNB) to a user equipment (UE), an information element (IE) containing a list of measurement objects that define configurations of channel state information reference signal (CSI-RS) based RRM measurements. The eNB can analyze the CSI-RS based RRM measurements in a CoMP Resource Management (CRM) Set, wherein each CSI-RS based RRM measurement corresponds to a transmission point in a set of transmission points which may be used for downlink transmissions to the UE. The eNB can select a CoMP Measurement Set based on the CSI-RS based RRM measurements reported by the UE, comprising at least one of the set of transmission points for which fast channel state information (CSI) feedback will be reported to the eNB from the UE. 1. A method for enabling radio resource management (RRM) measurements for coordinated multi-point (CoMP) transmission and reception , the method comprising:sending, from an evolved node B (eNB) to a user equipment (UE), an information element (IE) through radio resource control (RRC) signaling, the IE containing a list of measurement objects that define configurations of channel state information reference signal (CSI-RS) based RRM measurements;analyzing, at a processor in the eNB, one or more CSI-RS based RRM measurements in a CoMP Resource Management (CRM) Set that are received at the eNB from the UE, wherein each CSI-RS based RRM measurement corresponds to a transmission point used for performing downlink transmissions to the UE; andselecting, at the eNB, a CoMP Measurement Set based on the CSI-RS based RRM measurements reported by the UE, comprising at least one of the set of transmission points for which fast channel state information (CSI) feedback will be reported to the eNB from the UE.2. The method of claim 1 , wherein selecting claim 1 , at the eNB ...

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Номер записи: 106
12-12-2013 дата публикации

METHODS, APPARATUSES, AND SYSTEMS FOR FLEXIBLE RANK ADAPTATION IN A WIRELESS COMMUNICATION NETWORK

Номер: US20130329594A1
Автор: Bolotin Ilya Alexandrovich, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich, Shirani-Mehr Hooman
Принадлежит:

In various embodiments, a first base station may communicate with a first user equipment (UE) over a wireless communication channel. The first base station may receive an interference indication from a second base station communicating with a second UE on the same wireless communication channel. In response to the interference indication, the first base station may transmit a request to the first UE for the first UE to send feedback information associated with the wireless communication channel to the first base station for one or more transmission ranks specified by the first base station. The first UE may determine the requested feedback information and transmit the determined feedback information to the first base station. Thereafter, the first base station may reduce a transmission rank of ongoing transmissions to the UE based on the interference indication and the determined feedback information. 1. An apparatus to be employed by a user equipment (UE) , the apparatus comprising:a receiver module configured to wirelessly receive a request from a base station to provide feedback information associated with a wireless communication channel between the UE and the base station for one or more transmission ranks specified by the base station;a channel estimation module coupled with the receiver module and configured to determine, based on the request, feedback information associated with the wireless communication channel for each of the one or more transmission ranks; anda transmitter module coupled with the channel estimation module and configured to transmit the determined feedback information to the base station.2. The apparatus of claim 1 , wherein the determined feedback information includes a channel quality indicator (CQI) and a precoding matrix index (PMI) for the wireless communication channel for each of the one or more transmission ranks specified by the base station.3. The apparatus of claim 1 , wherein the determined feedback information includes one or ...

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Номер записи: 107
19-12-2013 дата публикации

DISTRIBUTED ANTENNA SYSTEM AND METHOD FOR ENHANCED POSITIONING

Номер: US20130336224A1
Автор: Davydov Alexei, Etemad Kamran, Maltsev Alexander, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Embodiments of a distributed antenna system (DAS) and method for enhanced positioning in a wireless network are generally described herein. In some embodiments, an enhanced Node-B (eNB) operates as part of a DAS that includes one or more nodes having the same cell ID as the eNB. The eNB is to transmit a UE-specific reference signal and configure one or more of the other nodes of the cell to transmit UE-specific reference signals that are distinguishable from each other and from the UE-specific reference signal that is transmitted by the eNB. The eNB may receive location estimate information from user equipment (UE) that is determined at least in part from the UE-specific reference signals. The eNB may also configure the nodes to perform cooperative OFDMA transmission techniques for the UEs operating in the cell. 1. An enhanced Node-B (eNB) to operate as part of a distributed antenna system (DAS) comprising one or more nodes having a same cell ID and operating within a same cell as the eNB , the eNB arranged to:transmit a UE-specific reference signal;configure one or more of the other nodes of a cell to transmit UE-specific reference signals that are distinguishable from each other and from the UE-specific reference signal that is transmitted by the eNB; andreceive location estimate information from a user equipment (UE) that is determined at least in part from the UE-specific reference signals,wherein each of the UE-specific reference signals comprise a channel state information reference signal (CSI-RS).2. The eNB of wherein the eNB is further arranged to transmit a cell-specific reference signal claim 1 ,wherein the location estimate information from the UE is determined by the UE based on the cell-specific reference signal in addition to the UE-specific reference signals.3. The eNB of wherein the nodes comprise remote radio heads (RRHs) claim 2 , andwherein the cell-specific reference signal is a positioning reference signal (PRS).4. The eNB of wherein the PRS is ...

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Номер записи: 108
19-12-2013 дата публикации

LINK ADAPTATION IN COORDINATED MULTIPOINT SYSTEM

Номер: US20130336269A1
Автор: Bolotin Ilya Alexandrovich, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich
Принадлежит:

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for link adaptation within coordinated multipoint systems. In various embodiments, a mobile terminal may determine link adaptation feedback information and feed back the information to a base station. The base station may adjust a channel quality indicator of the link adaptation feedback information based on loading of nodes within a coordinated multipoint measurement set. Other embodiments may be described and/or claimed. 129-. (canceled)30. An apparatus comprising: receive, from a user equipment (UE), reference signal receive power (RSRP) information associated with a cooperating node of a coordinated multipoint (CoMP) measurement set, the cooperating node to coordinate with a serving node of the CoMP measurement set to facilitate wireless communication with the UE;', 'receive, from the UE, a channel quality indicator (CQI); and', 'determine an adjusted CQI based on the RSRP information and the CQI; and, 'a channel interference module toa link adaptation module to adapt transmission parameters of a communication link associated with the cooperating node or the serving node based on the adjusted CQI.31. The apparatus of claim 30 , wherein the channel interference module is to:receive, from the UE, a received signal strength indicator (RSSI) that indicates a measured signal power of a muted resource of a sector of the serving node; anddetermine the adjusted CQI based further on the RSSI.32. The apparatus of claim 30 , wherein the CQI and the communication link are associated with the cooperating node.33. The apparatus of claim 32 , wherein the cooperating node is a first cooperating node of the CoMP measurement set claim 32 , and the link adaptation module is to further adapt transmission parameters of a communication link associated with a second cooperating node of the CoMP measurement set based on the adjusted CQI.34. The apparatus of claim 30 , ...

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Номер записи: 109
26-12-2013 дата публикации

SIGNALING FOR CONFIGURATION OF DOWNLINK COORDINATED MULTIPOINT COMMUNICATIONS

Номер: US20130343317A1
Автор: Davydov Alexei, Etemad Kamran
Принадлежит:

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for configuration of downlink coordinated multi-point (CoMP) communications in a wireless communication network. A user equipment (UE) may receive channel state information (CSI) reference signal (RS) parameters, from an evolved Node B (eNB), for individual transmission points of a coordinated multi-point (CoMP) Measurement Set including a plurality of transmission points. The UE may generate CSI-RS feedback information for the individual transmission points of the CoMP Measurement Set, and may transmit the generated CSI-RS feedback information for one or more of the individual transmission points to the eNB. The UE may receive a transmission from the eNB updating the individual transmission points included in the CoMP Measurement Set. 146-. (canceled)47. An apparatus to be employed by a user equipment (UE) , the apparatus comprising:a communications module configured to communicate with an evolved Node B (eNB) over a wireless communications network; receive channel state information (CSI) reference signal (RS) parameters for individual transmission points of a coordinated multi-point (CoMP) Measurement Set including a plurality of transmission points;', 'generate CSI-RS feedback information for the individual transmission points of the CoMP Measurement Set;', 'transmit the generated CSI-RS feedback information for one or more of the individual transmission points to the eNB via the communications module; and', 'receive a transmission from the eNB updating the individual transmission points included in the CoMP Measurement Set., 'a feedback module coupled with the communications module and configured to48. The apparatus of claim 47 , wherein the feedback module is further configured to transmit signals to provide candidate feedback information for individual transmission points of a candidate measurement set including a plurality of transmission points ...

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Номер записи: 110
26-12-2013 дата публикации

COORDINATED MULTIPOINT (CoMP) INTERFERENCE NOISE ESTIMATION

Номер: US20130344909A1
Автор: Bolotin Llya Alexandrovich, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich
Принадлежит:

A noise and interference estimator and method for estimating noise and interference in a coordinated multipoint (CoMP) system at a mobile communication device is disclosed. The method comprises the operation of receiving a channel state information reference signal (CSI-RS) from a serving transmitting station at a user equipment (UE). Resource elements (REs) occupied by the CSI-RS of the serving transmitting station are muted on cooperating transmitting stations in the CoMP system. The operation of estimating a non-cooperating interference noise covariance matrix from the CSI-RS transmitted by the serving transmitting station follows. 1. A method for estimating noise and interference in a coordinated multipoint (CoMP) system at a mobile communication device , comprising:receiving a channel state information reference signal (CSI-RS) from a serving transmitting station at a user equipment (UE), wherein resource elements (REs) occupied by the CSI-RS of the serving transmitting station are muted on cooperating transmitting stations in the CoMP system; andestimating a non-cooperating interference noise covariance matrix from the CSI-RS transmitted by the serving transmitting station.2. The method of claim 1 , wherein the non-cooperating interference noise covariance matrix is represented by {circumflex over (R)}=E{(y−ĥ·r)(y−ĥ·r)} claim 1 , where {circumflex over (R)}is the non-cooperating interference noise covariance matrix claim 1 , E{ } is an averaging function for the CSI-RS claim 1 , ( )is a Hermitian function claim 1 , y is a received signal on the CSI-RS claim 1 , ĥ is an estimated channel for the serving transmitting station using the CSI-RS claim 1 , and ris the CSI-RS transmitted by the serving transmitting station.3. The method of claim 1 , wherein each cooperating transmitting station is selected from the group consisting of an eNode B claim 1 , a remote radio unit (RRU) claim 1 , and a remote radio equipment (RRE).4. The method of claim 1 , wherein ...

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Номер записи: 111
02-01-2014 дата публикации

SUPPORTING MEASURMENTS AND FEEDBACK FOR 3D MIMO WITH DATA TRANSMISSION OPTIMIZATION

Номер: US20140003240A1
Автор: Chen Xiaogang, Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Li Qinghua, Morozov Gregory V., Niu Huaning, Yang Rongzhen, Zhu Yuan
Принадлежит:

Technology is discussed for supporting wireless communication paths from an antenna array with a vertical directional component. Examples reduce training feedback for increased numbers of communication paths by only reporting on a subset of Reference Signals (RSs) provided for various vertical beam configurations. Additional examples reduce feedback with virtual measurements based on a difference between RS measurements. One such measurement can come from full set of RSs for a reference beam configuration and another from a partial set of RSs for an additional beam configuration. Such virtual measurements can also be based on cross correlation for beamforming weights associated with the two configurations. Several examples of preparing and sending measurement reports consistent with Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) standards are discussed. The supporting technology also increases diversity and reduces a power differential between spatially multiplexed layers transmitting a common codeword. 1. A device for reducing feedback overhead associated with multiple vertical beams from a two-dimensional antenna array for wireless communication , comprising:a receive module, at a User Equipment (UE), configured to receive multiple Channel State Information-Reference Signal (CSI-RS) resources, wherein a CSI-RS resource corresponds to one of multiple vertical beam configurations; anda selection module, at the UE, configured to select a subset of multiple vertical beam configurations for which to provide CSI-RS reports to reduce a number of CSI-RS reports, leaving a set of non-selected CSI-RS resources unreported; anda preparation module, at the UE, configured to prepare at least one CSI-RS report for the subset of multiple vertical beam configurations; anda reporting module, at the UE, to send the at least one CSI-RS report to an evolved Node B (eNodeB).2. The device of claim 1 , wherein the selection module selects the subset of multiple ...

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Номер записи: 112
02-01-2014 дата публикации

SUPPORT FOR ASYNCHRONOUS TIME DIVISION DUPLEXING IN ADJACENT CELLS OF A WIRELESS COMMUNICATION SYSTEM

Номер: US20140003270A1
Автор: Bolotin Ilya, Davydov Alexei, Maltsev Alexander, Morozov Gregory
Принадлежит:

Technology is discussed for mitigating interference in a wireless communication environment where adjacent cells can have asynchronous Time Division Duplexing configurations. Measurements can be taken at an illuminated evolved Node B (eNodeB) of DownLink (DL) transmissions from a transmit eNodeB. These measurements can be relayed to the transmit eNodeB over a backhaul link and used to make scheduling, transmission power, and/or beam forming decisions to reduce the potential for DL interference. To reduce UpLink (UL) interference, sub-frame specific measurements can be requested by a transmit eNodeB of a User Equipment (UE) that would receive DL transmission from the transmit eNodeB to detect interference from any UEs performing UL transmission to an adjacent eNodeB. The interference measurements can be used by the transmit eNodeB to make scheduling determinations to mitigate the interference. 1. A device for reducing interference between a downlink and an uplink of two evolved Node Bs , comprising:a measurement module, operating at a first evolved Node B (eNodeB), configured to measure a channel state information of a Down Link (DL) transmission from a second eNodeB as received at the first eNodeB;a message module, in communication with the measurement module and operating at the first eNodeB, configured to generate an interference message indicating a need for the second eNodeB to reduce interference according to at least one of a scheduling pattern and a beam pattern with a reduced radiated power in a direction from the second eNodeB to the first eNodeB and carrying information to assist to reduce the interference; anda communication module, in communication with the message module and operating at the first eNodeB, configured to communicate the interference message from the first eNodeB to the second eNodeB to enable the second eNodeB to reduce interference received at the first eNodeB.2. The device of claim 1 , wherein the measurement module measures the channel ...

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Номер записи: 113
02-01-2014 дата публикации

Wake-up functionality for an lte enodeb

Номер: US20140003312A1
Автор: Alexander Maltsev, Alexei Davydov, Gregory Morozov, JONG-KAE FWU, Vadim Sergeyev, Youn Hyoung Heo
Принадлежит: Intel Corp

Embodiments of the present disclosure include methods and apparatuses, for a third generation partnership project (3GPP) enhanced NodeB (eNB) to transmit parameters of a wake-up procedure with a 3GPP user equipment (UE). After the transmission, the eNB may enter a low power state wherein it monitors for the wake-up signal from the UE, the wake-up signal being based at least in part on the transmitted parameters of the wake-up procedure. When the eNB receives the wake-up signal, the eNB may enter the high-power state and transmit a connection establishment signal to the UE.

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Номер записи: 114
02-01-2014 дата публикации

TRANSMISSION POINT INDICATION IN COORDINATED MULTI-POINT SYSTEM

Номер: US20140003324A1
Автор: Bolotin Ilya Alexandrovich, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich
Принадлежит:

Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for transmission point indication in a coordinated multipoint (CoMP) system. A user equipment (UE) may receive common reference signal (CRS) parameters associated with individual base stations of a CoMP measurement set. The UE may also receive a transmission point index corresponding to a first base station of the CoMP measurement set that is scheduled for communications with the UE. A mapping module of the UE may produce a physical downlink shared channel (PDSCH) mapping pattern based on the CRS parameters associated with the scheduled base station. 137-. (canceled)38. An apparatus to be employed by a user equipment (UE) , the apparatus comprising: receive common reference signal (CRS) parameters associated with individual base stations of a coordinated multipoint (CoMP) measurement set including a plurality of base stations; and', 'receive a transmission point index corresponding to a first base station of the CoMP measurement set; and, 'a communications module configured toa mapping module coupled with the communications module and configured to produce a physical downlink shared channel (PDSCH) mapping pattern based on the CRS parameters associated with the first base station.39. The apparatus of claim 38 , wherein the communications module is further configured to use the CRS parameters associated with the first base station for subsequent communications with the first base station.40. The apparatus of claim 38 , wherein the CRS parameters and transmission point index are received from a second base station of the CoMP measurement set.41. The apparatus of claim 38 , wherein the CRS parameters are received from a second base station of the CoMP measurement set claim 38 , and the transmission point index is received from the first base station.42. The apparatus of claim 38 , wherein the CRS parameters are received via radio resource control ...

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Номер записи: 115
09-01-2014 дата публикации

MULTI-STREAM JOINT TRANSMISSION SCHEME FOR WIRELESS COMMUNICATION NETWORK

Номер: US20140010159A1
Автор: Bolotin Ilya Alexandrovich, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich
Принадлежит:

Embodiments herein provide a wireless communication system including a user equipment (UE) and a plurality of base stations (e.g., evolved NodeBs (eNBs)). The UE may generate feedback information based on channel conditions between the UE and two or more of the plurality of base stations. The UE may transmit the feedback information to one or more of the base stations. Two or more of the plurality of base stations may contemporaneously send different data streams to the UE, the data streams having properties based at least in part on the respective feedback information. The UE may decouple and decode the data streams from the two or more base stations using multi-antenna techniques. 1. A method comprising:generating, by a user equipment (UE) having a plurality of antennas, first feedback information based on channel conditions of a first channel between the UE and a first evolved NodeB (eNB) of an Internet Protocol (IP) based wireless communication network;generating, by the UE, second feedback information based on channel conditions of a second channel between the UE and a second eNB of the IP-based wireless communication network;transmitting, by the UE to the first eNB, the first feedback information;transmitting, by the UE, the second feedback information to at least one of the first eNB and/or the second eNB;receiving, by the UE, a first data stream from the first eNB via the first channel; andreceiving, by the UE, contemporaneously with the receiving of the first data stream, a second data stream from the second eNB via the second channel, the second data stream being different from the first data stream.2. The method of claim 1 , wherein the first feedback information includes a transmission rank claim 1 , a precoding matrix index (PMI) claim 1 , and/or a modulation and coding scheme (MCS) for the first eNB to use when communicating with the UE.3. The method of claim 2 , wherein the transmission rank is a first transmission rank claim 2 , the PMI is a first ...

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Номер записи: 116
23-01-2014 дата публикации

USER EQUIPMENT AND METHOD FOR ANTENNA PORT QUASI CO-LOCATION SIGNALING IN COORDINATED MULTI-POINT OPERATIONS

Номер: US20140022988A1
Автор: Bolotin Ilya, Chatterjee Debdeep, Davydov Alexei, Maltsev Alexander, Morozov Gregory V.
Принадлежит:

User Equipment (UE) and methods for antenna port quasi co-location signaling in coordinated multi-point (CoMP) operations are generally described herein. In some embodiments, one or more downlink channels are at least partially offloaded from a serving Evolved Node-B (eNB) to one or more neighbor eNBs. The UE may receive signaling from the serving eNB to indicate a reference signal of a neighbor eNB to use for estimation of one or more large-scale physical-layer parameters associated with the one or more downlink channels provided by one of more of the neighbor eNB. The UE may estimate the one or more large-scale physical-layer parameters based on receipt of the indicated reference signal from the neighbor and serving eNBs. The UE may also apply the estimated one or more large-scale physical-layer parameters for processing the one or more downlink channels from the neighbor and serving eNBs. 121.-. (canceled)22. User Equipment (UE) arranged to:receive signaling from a serving Evolved Node B (eNB) indicating a transmission mode for receiving a downlink channel, the transmission mode indicating that a first set of antenna ports and a second set of antenna ports are quasi co-located;estimate a member of a set of large scale parameters for the first set of antenna ports, members of the set of large scale parameters including at least one of Doppler shift, Doppler spread, average delay, or delay spread; andapply the estimated member of the set of large scale parameters to operations of the second set of antenna ports based on the indication of quasi co-location between the first set of antenna ports and the second set of antenna ports.23. The UE of claim 22 , wherein the channel is an Enhanced Physical Downlink Control Channel (e-PDCCH) claim 22 , wherein the operations of the second set of antenna ports include decoding the e-PDCCH claim 22 , and wherein members of the second set of antenna ports are antenna ports 107-110.24. The UE of claim 23 , wherein members of the ...

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Номер записи: 117
30-01-2014 дата публикации

METHOD AND APPARATUS FOR FEEDBACK IN 3D MIMO WIRELESS SYSTEMS

Номер: US20140029684A1
Автор: Davydov Alexei, Fwu Jong-Kae, Shirani-Mehr Hooman
Принадлежит:

Systems and methods provide channel state information feedback in a multiple-input multiple-output (MIMO) system. A method quantizes a pre-coding matrix indicator (PMI) and feeds it back from a user equipment (UE) to an evolved Node B (eNodeB). The method may use codebooks for vector quantization of optimal horizontal direction and a scalar quantizer to quantize an optimal vertical direction from the eNodeB to a selected UE. 1. A user equipment (UE) for communication in a multiple-input multiple-output (MIMO) network , the UE comprising:a channel estimator to estimate channel information based on downlink reference signals received from an evolved Node B (eNodeB);a vector quantizer to quantize a first portion of the channel information using a codebook; anda scalar quantizer to quantize a second portion of the channel information based on a vertical angle of a radio frequency (RF) beam transmitted by the eNodeB.2. The UE of claim 1 , further comprising:a pre-coding matrix indicator (PMI) module to calculate a PMI vector based on the estimated channel information, the PMI vector comprising coefficients of linear transmit antenna weights for steering the RF beam at the eNodeB in a horizontal direction, and wherein one or more of the coefficients of the PMI vector are multiplied by a vertical phase shift parameter based on steering the RF beam at the eNodeB in to the vertical angle.3. The UE of claim 2 , wherein the PMI vector is based on a feedback codebook for three-dimensional (3D) RF beamsteering.4. The UE of claim 2 , wherein the channel estimator is configured to estimate a channel matrix based on the received reference signals claim 2 , and wherein the PMI module is configured to calculate the PMI vector by performing singular value decomposition (SVD) on the estimated channel matrix and finding a number r of dominant eigenvectors claim 2 , where the number r is a transmission rank.5. The UE of claim 2 , wherein the PMI module is configured estimate an optimal ...

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Номер записи: 118
06-02-2014 дата публикации

PERIODIC CHANNEL STATE INFORMATION REPORTING FOR COORDINATED MULTIPOINT (CoMP) SYSTEMS

Номер: US20140036664A1
Автор: Alexei Davydov, JONG-KAE FWU, Kamran Etemad, SEUNGHEE HAN
Принадлежит: Intel Corp

Technology for periodic channel state information (CSI) reporting in a coordinated multipoint (CoMP) scenario is disclosed. One method can include a user equipment (UE) generating a plurality of CSI reports for transmission in a subframe for a plurality of CSI processes. Each CSI report can correspond to a CSI process with a CSIProcessIndex. The UE can drop CSI reports corresponding to CSI processes except a CSI process with a lowest CSIProcessIndex. The UE can transmit at least one CSI report for the CSI process to an evolved Node B (eNB).

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Номер записи: 119
06-02-2014 дата публикации

PERIODIC CHANNEL STATE INFORMATION REPORTING FOR COORDINATED MULTIPOINT (CoMP) SYSTEMS

Номер: US20140036704A1
Автор: Davydov Alexei, Etemad Kamran, Fwu Jong-Kae, Han Seunghee
Принадлежит:

Technology for periodic channel state information (CSI) reporting from a user equipment (UE) configured for carrier aggregation is disclosed. One method can include the UE generating a plurality of periodic CSI reports for transmission in a subframe for a plurality of CSI processes, wherein each periodic CSI report corresponds to a CSI process with a CSI process index. A single periodic CSI report from the plurality of periodic CSI reports may be selected to multiplex with a hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback. The periodic CSI report multiplex with the HARQ-ACK feedback and any scheduling request (SR) may be determined to have a bit size less than or equal to a physical uplink control channel (PUCCH) format 3 maximum payload bit size. The periodic CSI report multiplexed with the HARQ-ACK feedback and any SR may be transmitted to a serving cell. 1. A user equipment (UE) operable to report periodic channel state information (CSI) , the UE having computer circuitry configured to:generate a periodic CSI report for transmission in a subframe for a CSI process, wherein the periodic CSI report corresponds to the CSI process for a selected serving cell;multiplex a hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback with the periodic CSI report;determine that the periodic CSI report multiplexed with the HARQ-ACK feedback has a bit size less than or equal to a payload bit size of a physical uplink control channel (PUCCH) format 3; andtransmit the periodic CSI report multiplexed with the HARQ-ACK feedback to an evolved node B (eNB).2. The computer circuitry of claim 1 , wherein the payload bit size of the PUCCH format 3 has a maximum payload bit size of 22 aggregated information bits.3. The computer circuitry of claim 1 , further configured to: transmit the HARQ-ACK feedback without the periodic CSI report to the serving cell when the periodic CSI report multiplexed with the HARQ-ACK feedback has a bit size greater than the ...

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Номер записи: 120
06-02-2014 дата публикации

REFERENCE SIGNAL CONFIGURATION FOR COORDINATED MULTIPOINT

Номер: US20140036796A1
Автор: Bolotin Ilya, Davydov Alexei, Etemad Kamran, Morozov Gregory
Принадлежит:

Coordinated Multipoint (CoMP) involves multiple transmission points or cells coordinating their individual transmissions so that a target user equipment (LTE) experiences enhanced signal reception and/or reduced interference. In order to optimally implement downlink CoMP, a serving cell needs to obtain channel state information (CSI) for the downlink channels from the multiple transmission points to the UE. This disclosure deals with radio resource control (RRC) signaling for configuring the UE to obtain and report CSI for those downlink channels. 1. A user equipment (UE) device for operating in a Long Term Evolution (LTE) network , comprising:a transceiver for providing an LTE air interface to an evolved Node B (eNB); and,processing circuitry connected to the transceiver and to:receive a radio resource control (RRC) configuration message from the eNB that configures the UE to receive channel state information (CSI) reference signals (CSI-RS) transmitted from one or more coordinated multi-point (CoMP) transmission points (TPs);wherein the RRC configuration message includes a set of indexed non-zero power (NZP) CSI-RS resources that are to be included in a CoMP measurement set, a set of zero power (ZP) CSI-RS resources, and interference measurement (IM) resources for use by the UE in making interference measurements.2. The device of claim it wherein the set of IM resources is a subset of the set of ZP CSI-RS resources.3. The device of wherein the set of ZP CSI-RS resources is transmitted as a 16-bit bitmap with each bit corresponding to a particular CSI-RS configuration that is to be regarded as having zero transmission power and further wherein the set of IM resources is configured with a bitmap indicating which of the ZP-CSI resources are to be used for interference measurements.4. The device of wherein the RRC configuration message further includes an indication that one or more particular NZP CSI-RS resources is an interference measurement (IM) resource for use ...

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Номер записи: 121
06-02-2014 дата публикации

Techniques for Sending or Receiving Channel State Information Reports Associated with a Coordinated Multi-Point Scheme

Номер: US20140038623A1
Автор: Davydov Alexei, Maltsev Alexander, Morozov Gregory V., Sergeyev Vadim, Shirani-Mehr Hooman
Принадлежит:

Examples are disclosed for sending or receiving channel state information (CSI) reports associated with coordinated multi-point (CoMP) schemes. The examples include user equipment (UE) constraining CSI feedback to one or more transmission points implementing a CoMP scheme with the UE. The examples also include a transmission point such as an evolved node B (eNB) triggering CSI feedback and receiving a CSI report in response to the trigger. The CSI report generated based on the UE constraining CSI feedback. Constraining CSI feedback may include the UE generating fewer CSI reports, reusing information between CSI reports or increasing an amount of time allowed for processing and generating CSI reports. Other examples are described and claimed. 1. A computer-implemented method comprising:{'sup': 'rd', 'receiving, at user equipment (UE) capable of operating in compliance with one or more 3Generation Partnership Project (3GPP) Long Term Evolution (LTE) standards, a channel state information (CSI) processes set associated with a coordinated multi-point (CoMP) scheme for the UE to receive coordinated signals from more than two transmission points;'}generating one or more CSI reports using the CSI processes set based on constraining CSI feedback for implementing the CoMP scheme, constraining CSI feedback to include at least one of limiting a number of CSI reports based on only two transmission points, reusing a given rank indicator (RI) for each generated CSI report or increasing an amount of time for the UE to process the CSI processes set to generate the one or more CSI reports; andtransmitting the one or more generated CSI reports to facilitate implementing the CoMP scheme.2. The computer-implemented method of comprising:receiving a CSI trigger; andgenerating and transmitting the one or more CSI reports responsive to receiving the CSI trigger.3. The computer-implemented method of claim 2 , comprising receiving the CSI trigger from an evolved node B (eNB) from among the ...

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Номер записи: 122
13-02-2014 дата публикации

SIGNALING FOR DOWNLINK COORDINATED MULTIPOINT IN A WIRELESS COMMUNICATION SYSTEM

Номер: US20140044076A1
Автор: Davydov Alexei, Etemad Kamran
Принадлежит:

Embodiments herein describe apparatuses, systems, and methods for signaling to support downlink coordinated multipoint (CoMP) communications with a user equipment (UE) in a wireless communication network. In embodiments, the UE may be configured with a plurality of channel state information (CSI) processes (e.g., via radio resource control (RRC) signaling) to use for providing CSI feedback to an evolved Node B (eNB) to support downlink CoMP communications. The UE may be configured with a plurality of sets of CSI processes. The UE may further receive a downlink control information (DCI) message from the eNB that indicates one of the configured sets of CSI processes on which the UE is to provide CSI feedback to the UE. The UE may generate the CSI feedback for the indicated set of CSI processes, and transmit the CSI feedback to the eNB in a CSI report. 1. One or more non-transitory machine-readable storage media , having instructions stored thereon that , when executed by one or more processors , cause a user equipment (UE) to:detect a value in a physical downlink shared channel (PDSCH) resource element (RE) mapping field of a message received from an evolved Node B (eNB);identify, based on the value, a PDSCH RE mapping parameter set from a plurality of PDSCH RE mapping parameter sets, wherein the PDSCH RE mapping parameter set includes a number of antenna ports; andprocess the PDSCH RE mapping parameter set to receive a PDSCH.2. The one or more non-transitory machine-readable storage media of claim 1 , wherein the number of antenna ports includes 1 claim 1 , 2 or 4.3. The one or more non-transitory machine-readable storage media of claim 1 , wherein the PDSCH RE mapping field is formed in a downlink control information (DCI) format claim 1 , and is to support a coordinated multipoint (CoMP) communication to the UE.4. The one or more non-transitory machine-readable storage media of claim 1 , wherein the PDSCH RE mapping parameter set is further to include a frequency ...

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Номер записи: 123
27-02-2014 дата публикации

POSITIONING-ASSISTED CELL SELECTION AND HANDOVER FOR LTE

Номер: US20140057635A1
Автор: Davydov Alexei, Maltsev Alexander, Sergeyev Vadim
Принадлежит:

A cell-selection and a cell re-selection process include a wireless device that receives a signal from at least one node of a wireless network. The received signal can be a reference signal, an uplink signal, or a downlink signal, or a combination thereof. Location information of the wireless device is determined based on the received signal and transmitted to the wireless network. Information is received from the wireless network that contains a list of candidate nodes to which the wireless device can connect to the wireless network. The list of candidate nodes comprises a list of macro cell nodes, low-power cell nodes, or a combination thereof. The wireless device searches through the information containing the list of candidate nodes to determine a node for a connection to the wireless network. 1. A wireless device , comprising:a receiver capable of receiving one or more signals from one or more first nodes of a wireless network, the received one or more signals comprising information relating to a location of the wireless device within the wireless network; anda transmitter capable of transmitting a signal to one or more second nodes of the wireless network, the transmitted signal containing information relating to the location of the wireless device within the wireless network;the receiver further capable of receiving a signal from one or more third nodes comprising a list of candidate nodes in the wireless network to which the wireless device can connect, the list of candidate nodes being based on the information contained in the transmitted signal relating to the location of the wireless device within the wireless network, and the list of candidate nodes not including nodes to which the wireless device cannot connect and are in the vicinity of the wireless device.2. The wireless device according to claim 1 , further comprising a processor coupled to the receiver and capable of selecting a node from the list of candidate nodes to which the wireless device can ...

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Номер записи: 124
06-03-2014 дата публикации

APPARATUSES AND METHODS FOR CSI-RS CONFIGURATION IN DISTRIBUTED RRH SYSTEMS

Номер: US20140064201A1
Автор: Choi Yang-Seok, Davydov Alexei Vladimirovich, Etemad Kamran, Fwu Jong-Kae, Li Qinghua, Wang Xinrong, Yang Rongzhen, Yang Xiangying, Zhang Yujian, Zhu Yuan
Принадлежит:

Apparatuses and methods for channel state information reference signal (CSI-RS) configuration in distributed remote radio head (RRH) systems are described. A transmission point selection module can receive a user equipment (UE) signal via a transmission point from a plurality of transmission points sharing a single cell identification. A downlink transmission point can be selected based on the UE signal. The UE can then be configured to report CSI-RS measurements for the selected downlink transmission point. 1. A wireless infrastructure component comprising:a transmission point selection module (TPSM) configured to:receive, from a user equipment device (UE), a UE signal via one or more of the transmission points; andselect a downlink transmission point from the transmission points based on the UE signal;a configuration module configured to communicate instructions to the UE, the instructions configured to cause the UE to report channel state information reference signal (CSI-RS) measurements for the selected downlink transmission point; andwherein the transmission points share a single cell identification (ID) and each transmission point comprises at least one radio transceiver.2. The wireless infrastructure component of claim 1 , wherein the UE signal is an uplink signal; andwherein to select the downlink transmission point based on the UE signal includes the TPSM further configured to:measure the uplink signal at each receiving transmission point to create uplink signal measurements;rank the receiving transmission points based on the uplink signal measurements; andselect the downlink transmission point based on the ranking.3. The wireless infrastructure component of claim 2 , wherein the rank is further based on a transmission metric of the transmission point.4. The wireless infrastructure component of claim 2 , wherein the uplink signal is a sounding reference signal (SRS).5. The wireless infrastructure component of claim 4 , wherein the SRS is transmitted claim ...

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Номер записи: 125
13-03-2014 дата публикации

Device, system and method of wireless communication utilizing one or more antenna arrays

Номер: US20140072078A1
Автор: Alexander Alexandrovich Maltsev, Alexei Vladimirovich Davydov, Andrey Vyacheslavovich Pudeyev, Vadim Sergeyevich Sergeyev
Принадлежит: Intel Corp

Some demonstrative embodiments include devices, systems and/or methods of wireless communication utilizing one or more antenna arrays. For example, a device may include a controller to control one or more antenna arrays for reception of a wireless transmission from a wireless communication device, the controller may be configured to control the one or more antenna arrays to form a beam directed in a first beam direction for receiving the wireless transmission, and to form a second beam to search for at least one second beam direction, different from the first beam direction, to compare the second beam direction to the first beam direction based on at least one predefined criterion, and, based on the comparison, to steer the first beam to the second beam direction for receiving the wireless transmission.

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Номер записи: 126
27-03-2014 дата публикации

TIMING SYNCHRONIZATION FOR DOWNLINK (DL) TRANSMISSIONS IN COORDINATED MULTIPOINT (CoMP) SYSTEMS

Номер: US20140086221A1
Автор: Alexander Maltsev, Alexei Davydov, Gregory Morozov, Ilya BOLOTIN, Vadim Sergeyev
Принадлежит: Intel Corp

Technology for adjusting a receiver timing of a wireless device in a Coordinated MultiPoint (CoMP) system is disclosed. One method can include the wireless device receiving a plurality of node specific reference signals (RSs) from a plurality of cooperating nodes in a coordination set of the CoMP system. The coordination set includes at least two cooperating nodes. The wireless device can estimate a composite received RS timing from a plurality of received RS timings generated from the plurality of node specific RSs. The received RS timings represent timings from the at least two cooperating nodes. The wireless device can adjust the receiver timing based on the composite received RS timing. A node specific RS can include a channel-state information reference signal (CSI-RS).

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Номер записи: 127
03-04-2014 дата публикации

Periodic channel state information reporting for time division duplex (tdd) carrier aggregation systems

Номер: US20140092787A1
Автор: Alexei Davydov, Hong He, Ilya BOLOTIN, JONG-KAE FWU, SEUNGHEE HAN
Принадлежит: Alexei Davydov, Hong He, Ilya BOLOTIN, JONG-KAE FWU, SEUNGHEE HAN

Technology for periodic channel state information (CSI) reporting is disclosed. One method can include a user equipment (UE) identifying a configured CSI reporting instance for a secondary cell to report the periodic CSI to a node based on a CSI reporting configuration of the secondary cell. The UE can determine that the configured CSI reporting instance of the secondary cell used to report the periodic CSI does not correspond with an uplink (UL) subframe of a primary cell. The UE can transmit the periodic CSI report for the secondary cell, to the node, using a physical uplink shared channel (PUSCH) on the secondary cell when the periodic CSI reporting instance for the secondary cell does not correspond with the UL subframe of the primary cell and an UL-SCH (Uplink Shared Channel) is available in a subframe that corresponds to the periodic CSI reporting instance of the secondary cell.

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Номер записи: 128
03-04-2014 дата публикации

SYSTEMS AND METHODS FOR SEMI-PERSISTENT SCHEDULING OF WIRELESS COMMUNICATIONS

Номер: US20140092829A1
Автор: Chen Xiaogang, Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Zhu Yuan
Принадлежит:

Methods, systems, and devices for transmission and reception of SPS communications are disclosed herein. User equipment (UE) is configured to receive, in a first subframe, a physical downlink control channel or enhanced physical downlink control channel (PDCCH/EPDCCH) corresponding to semi-persistent scheduling (SPS) activation. The PDCCH/EPDCCH conveys a value of nSCID. The UE configures, based on the SPS activation, a downlink (DL) assignment in a second subframe for receiving an SPS physical downlink shared channel (PDSCH) without a corresponding PDCCH/EPDCCH. The UE determines a reference signal sequence corresponding to the SPS PDSCH using nderived from the PDCCH/EPDCCH corresponding to the associated SPS activation. The UE receives the SPS PDSCH in a second subframe. The UE processes the SPS PDSCH based on the reference signal sequence for the SPS PDSCH in the second subframe using the nderived from the PDCCH/EPDCCH corresponding to the associated SPS activation. The UE is configured for transmission mode 10 (TM10). 1. User equipment (UE) configured to:{'sub': 'SCID', 'receive, in a subframe, a physical downlink control channel or enhanced physical downlink control channel (PDCCH/EPDCCH) corresponding to semi-persistent scheduling (SPS) activation, wherein the PDCCH/EPDCCH conveys a value of n;'}configure, based on the SPS activation, a downlink (DL) assignment in another subframe;receive, in the other subframe, a physical downlink shared channel (PDSCH) without a corresponding PDCCH/EPDCCH;{'sub': 'SCID', 'determine a reference signal sequence corresponding to the PDSCH using the value of nderived from the PDCCH/EPDCCH corresponding to the associated SPS activation; and'}{'sub': 'SCID', 'process the PDSCH based on the reference signal sequence determined using the value of nderived from the PDCCH/EPDCCH corresponding to the associated SPS activation.'}2. The UE of claim 1 , wherein the UE is configured for transmission mode 10 (TM10) for coordinated ...

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Номер записи: 129
03-04-2014 дата публикации

METHOD OF ENHANCED INTERFERENCE MEASUREMENTS FOR CHANNEL STATE INFORMATION (CSI) FEEDBACK

Номер: US20140092878A1
Автор: Bolotin Ilya, Chatterjee Debdeep, Davydov Alexei, Han Seunghee, Morozov Gregory
Принадлежит:

Embodiments of providing enhanced interference measurements for CSI feedback are generally described herein. In some embodiments, CSI-IM resources are used by UE to perform interference measurements. The serving cell determines a hopping pattern for varying a position of the determined CSI-IM resources in subframes transmitted to the served UE. The determined CSI-IM resources and the determined CSI-IM resources hopping pattern are transmitted to the served UE. The serving node transmits a zero-power (ZP) CSI-RS. The serving node receives an interference measurement from the served UE based on CSI-IM and ZP CSI-RS provided to the served UE from the serving cell. Collisions between the CSI-IM of the serving node and CSI-IM of the non-serving nodes are minimized by the determined CSI-IM resources hopping pattern. 1. A method for providing enhanced interference measurements (IM) for channel state information (CSI) feedback , comprising:determining, by a serving cell, CSI-IM resources for use by a served user equipment (UE) to perform interference measurements;transmitting the determined CSI-IM resources to the served UE using RRC signaling;transmitting, by the serving cell, a zero-power (ZP) CSI-RS according to the determined CSI-IM resources using RRC signaling to remove serving cell interference; andreceiving, by the serving cell, CSI feedback corresponding to interference measurements performed by the served LIE using CSI-IM received by the served UE from the serving cell and the ZP CSI-RS transmitted to the served UE from the serving cell.2. The method of claim 1 , further comprising:generating by a serving cell, pseudo-random numbers; anddefining, by the serving cell, a position value of the CSI-IM resource to cause the position of the CSI-IM resources in subframes to vary in a time domain using the pseudo-random numbers.3. The method of claim 1 , further comprising providing claim 1 , by the serving cell claim 1 , a plurality of CSI-IM resources in a subframe ...

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Номер записи: 130
01-01-2015 дата публикации

DISCOVERY SIGNAL IN CLUSTER-BASED SMALL CELL

Номер: US20150004969A1
Автор: Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Heo Youn Hyoung
Принадлежит:

The embodiments described herein relate to a user equipment (“UE”) and a plurality of nodes in a wireless network. A UE may be adapted to receive from a node a discovery signal that includes a base sequence. The base sequence may distinguish a first group of collocated nodes, comprising a first cell cluster, from a second group of collocated nodes, comprising a second cell cluster. The UE may further be adapted to receive from the node an orthogonal sequence, also included in the discovery signal. The orthogonal sequence may distinguish a first cell from other collocated cells so that cells within a cell cluster are separately identifiable. In further embodiments, the conjugate of sequences may be used to increase the amount of sequences available to distinguish cells and/or cell clusters. Other embodiments are described herein. 125-. (canceled)26. An apparatus to be implemented in a user equipment (“UE”) , the apparatus comprising:transceiver circuitry to receive a discovery signal from a node associated with a cell, the discovery signal to include a base sequence and an orthogonal sequence; andprocessing circuitry, communicatively coupled with the transceiver circuitry, to determine an identity of a cell cluster that includes the cell based on the base sequence and to determine an identity of the cell based on the orthogonal sequence.27. The apparatus of claim 26 , wherein the identity of the cell is at least part of a physical layer cell identity (“PCI”).28. The apparatus of claim 27 , wherein the transceiver circuitry is further to transmit the at least part of the PCI to an evolved Node B (“eNB”).29. The apparatus of claim 26 , wherein the base sequence is a Zadoff-Chu sequence or a pseudo-random sequence.30. The apparatus of claim 29 , wherein the orthogonal sequence is a code division multiplexed sequence claim 29 , a frequency division multiplexed sequence claim 29 , or a time division multiplexed sequence.31. The apparatus of claim 26 , further comprising: ...

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Номер записи: 131
05-01-2017 дата публикации

WIFI VIRTUAL CARRIER SENSE FOR LTE/WIFI CO-CHANNEL COORDINATION

Номер: US20170006632A1
Автор: Bashar Shafi, Davydov Alexei Vladimirovich, Elliott Brent, Fwu Jong-Kae, Han Seunghee, Sergeyev Vadim Sergeyevich
Принадлежит:

A wireless cellular device comprises physical layer circuitry configured to transmit and receive radio frequency electrical signals to communicate directly with one or more separate wireless devices using a communication channel of a cellular network and a WiFi communication channel of a WiFi communication spectrum; and processing circuitry configured to initiate transmission of a WiFi subframe via the WiFi communication channel to reserve communication time on the WiFi communication channel for use by the same or a different cellular device during the reserved communication time. 125-. (canceled)26. A wireless cellular device comprising:physical layer circuitry configured to transmit and receive radio frequency electrical signals to communicate directly with one or more separate wireless devices using a communication channel of a cellular network and a WiFi communication channel of a WiFi communication spectrum; andprocessing circuitry configured to initiate transmission of a WiFi subframe via the WiFi communication channel to reserve communication time on the WiFi communication channel for use by the same or a different cellular device during the reserved communication time.27. The cellular device of claim 26 , wherein the cellular device includes at least one of a long term evolution (LTE) cellular device claim 26 , an advanced LTE cellular device claim 26 , and a fifth generation (5G) LTE cellular device.28. The cellular device of claim 26 , wherein the processing circuitry is configured to initiate transmission of a clear to send (CTS) message of a WiFi communication protocol to reserve the communication time on the WiFi communication channel.29. The cellular device of claim 26 , wherein the processing circuitry is configured to initiate transmission of a request to send (RTS) message of a WiFi communication protocol to reserve the communication time on the WiFi communication channel.30. The cellular device of claim 26 , wherein the processing circuitry is ...

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Номер записи: 132
07-01-2021 дата публикации

Demodulation reference signal for physical broadcast channel in new radio

Номер: US20210006443A1
Автор: Alexei Davydov, Daewon Lee, Gregory Morozov, SEUNGHEE HAN, Yongjun KWAK
Принадлежит: Apple Inc, Intel Corp

A reference signal sequence to modulate the demodulation reference signal for the Physical Broadcast Channel in New Radio standard is disclosed. Formulas are proposed for calculating the initialization value for the RS sequence generator so as to accord with the characteristics of New Radio.

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Номер записи: 133
07-01-2016 дата публикации

GROUP CARRIER SCHEDULING FOR UNLICENSED LONG TERM EVOLUTION NETWORK

Номер: US20160007373A1
Автор: Bashar Shafi, Davydov Alexei Vladimirovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich
Принадлежит:

A user equipment device comprises physical layer circuitry configured to communicate radio frequency (RF) electrical signals directly with one or more separate wireless devices, including to receive an indication of multiple component carriers aggregated into a carrier set that includes at least one scheduling component carrier and at least one scheduled component carrier, and receive scheduling control information for the multiple component carriers of the carrier set using the scheduling component carrier in downlink control information according to a resource radio control signaling protocol. 1. User equipment (UE) comprising physical layer circuitry configured to communicate radio frequency (RF) electrical signals directly with one or more separate wireless devices , including to:receive an indication of multiple component carriers aggregated into a carrier set that includes at least one scheduling component carrier and at least one scheduled component carrier; andreceive scheduling control information for the multiple component carriers of the carrier set using the scheduling component carrier in downlink control information (DCI) according to a resource radio control (RRC) signaling protocol.2. The UE of claim 1 , wherein the physical layer circuitry is configured to multiplex communication among the multiple component carriers of the carrier set according to the scheduling control information using a frequency band licensed to a long term evolution (LTE) network and at least one of a frequency band unlicensed to an LTE network (LTE-U) or a frequency band of a licensed assisted access (LAA) network.3. The UE of claim 1 , including processing circuitry configured to receive the scheduling control information from a carrier indicator field (CIF) of the DCI according to the RRC signaling protocol.4. The UE of claim 1 , wherein the scheduling control information includes configuration information for the at least one scheduling component carrier and the at least ...

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Номер записи: 134
02-01-2020 дата публикации

TECHNIQUES FOR EMPLOYING POLAR CODE IN CONNECTION WITH NR (NEW RADIO)

Номер: US20200007161A1
Автор: Chandrasekaran Ashwin, Chellakuttigounder Kuiandaivel Sathishkumar, Davydov Alexei, Dikarev Dmitry, Emolaev Grigory, Nimbalker Ajit
Принадлежит:

Techniques discussed herein can facilitate polar coding and decoding for NR (New Radio) systems. Various embodiments discussed herein can employ polar coding and/or decoding at UE(s) (User Equipment(s)) and/or gNB(s) (next generation Node B(s)). One example embodiment employable at a UE can comprise processing circuitry configured to determine one or more thresholds for code block segmentation, wherein the one or more thresholds for code block segmentation comprise one or more of a payload threshold (Kseg) or a code rate threshold (Rseg); determine to perform code block segmentation based on the one or more thresholds and at least one of a current payload (K) of an information block or a current code rate (R) for the information block; segment the information block into a plurality of segments; and encode each segment of the plurality of segments via a polar encoder with a code size (N). 128-. (canceled)29. An apparatus configured to be employed in a UE (User Equipment) , comprising:a memory interface; and [{'sub': seg', 'seg, 'determine one or more thresholds for code block segmentation, wherein the one or more thresholds for code block segmentation comprise one or more of a payload threshold (K) or a code rate threshold (R);'}, 'determine to perform code block segmentation based on the one or more thresholds and at least one of a current payload (K) of an information block or a current code rate (R) for the information block;', 'segment the information block into a plurality of segments;', 'encode each segment of the plurality of segments via a polar encoder with a code size (N); and', 'send the one or more thresholds for code block segmentation to a memory via the memory interface., 'processing circuitry configured to30. The apparatus of claim 29 , wherein the code size (N) is one of 64 claim 29 , 128 claim 29 , 256 claim 29 , 512 claim 29 , or 1024.31. The apparatus of claim 29 , wherein the processing circuitry is further configured to generate an associated ...

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Номер записи: 135
03-01-2019 дата публикации

CHANNEL QUALITY INFORMATION FEEDBACK TECHNIQUES

Номер: US20190007878A1
Автор: Chen Xiaogang, Davydov Alexei, Han Seunghee, Maltsev Alexander, Morozov Gregory, Zhu Yuan
Принадлежит: Intel Corporation

Various embodiments are generally directed to improved channel quality information feedback techniques. In one embodiment, for example, an evolved node B (eNB) may comprise a processor circuit, a communication component for execution by the processor circuit to receive a channel quality index for a physical downlink shared channel (PDSCH), the channel quality index associated with a defined reference resource, and a selection component for execution by the processor circuit to select a modulation and coding scheme (MCS) for transmission over the PDSCH of user equipment (UE) data in one or more resource blocks, the selection component to compensate for a difference between a cell-specific reference signal (CRS) overhead of the defined reference resource and a CRS overhead of the one or more resource blocks when selecting the MCS. Other embodiments are described and claimed. 125-. (canceled)26. User equipment (UE) , comprising:a radio frequency (RF) receiver to receive a channel state information (CSI) reference signal (CSI-RS);circuitry coupled to the RF receiver, the circuitry to derive a channel quality indicator (CQI) index for a frequency band of an orthogonal frequency-division multiple access (OFDMA) wireless communication system, the circuitry to derive the CQI index based on the CSI-RS and a CSI reference resource of a shared wireless downlink channel, a first three orthogonal frequency-division multiplexing (OFDM) symbols of the CSI reference resource to be occupied by control signals; andan RF transmitter coupled to the circuitry, the RF transmitter to transmit electromagnetic signals representing the CQI index on a wireless uplink channel.27. The UE of claim 26 , the CQI index comprising CSI for a serving cell of the UE.28. The UE of claim 26 , the CSI reference resource defined in a frequency domain by a group of downlink physical resource blocks corresponding to the frequency band.29. The UE of claim 26 , the circuitry to derive the CQI index without ...

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Номер записи: 136
08-01-2015 дата публикации

COORDINATED INTERFERENCE MITIGATION AND CANCELATION

Номер: US20150009903A1
Автор: Davydov Alexei Vladimirovich, Fwu Jong-Kae, Xue Feng
Принадлежит:

A method includes receiving at user equipment an indication of a subset of scheduling constraints for interference mitigation and cancelation and performing interference mitigation and cancelation utilizing the subset of scheduling constraints. 1. A device comprising:a transceiver;a processor; and receive an indication of a subset of scheduling constraints for interference mitigation and cancelation; and', 'perform interference mitigation and cancelation utilizing the subset of scheduling constraints., 'a memory having instructions for execution by the processor to2. The device of wherein the indication comprises an index corresponding to a subset of available scheduling parameters to be used in the performance of interference mitigation and cancelation.3. The device of wherein the processor further uses the index to access a table with multiple indexed sets of subsets of scheduling constraints corresponding to modulation/transmission mode/modulation coding scheme/precoding matrix indicator.4. The device of wherein the subset of modulation coding scheme/resource combinations comprise at least two modulation coding scheme/resources selected from the group consisting of MCS (modulation coding scheme) claim 3 , precoding (PMI—precoding matrix indicator) and frequency-time resources.5. The device of wherein the scheduling constraints specify that co-scheduled user equipment radio bands are totally overlapping.6. The device of wherein the scheduling constraints specify that co-scheduled user equipment radio bands are permitted to start from a mid-point of a radio band allocation and that the radio bands are continuous.7. The device of wherein the scheduling constraints specify that modulation orders of co-scheduled user equipment are within a limited range.8. The device of wherein the scheduling constraints specify that transmission modes are within a limited number of combinations.9. The device of wherein the scheduling constraints specify that a number of co-scheduled ...

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Номер записи: 137
08-01-2015 дата публикации

ENHANCED NODE B AND METHODS FOR NETWORK ASSISTED INTERFERENCE CANCELLATION WITH REDUCED SIGNALING

Номер: US20150009964A1
Автор: Clevorn Thorsten, Davydov Alexei, ELLENBECK Jan, Franz Stefan, Raaf Bernhard, ROESSEL SABINE
Принадлежит:

Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message. 1. A method performed by an enhanced node B (eNB) in an LTE network for providing network assistance to user equipment (UE) for coordination of interference mitigation , the method comprising:indicating a reduced a number of transmission options with a smaller signaling codebook, the smaller signaling codebook having entries that are a subset of entries of a larger master codebook; andproviding network-assistance (NA) interference cancellation signaling (ICS) (NA-ICS) side information to the UE as part of a NA-ICS feedback message, the side information comprising indicators of the smaller signaling codebook,wherein the UE is arranged to perform an interference cancellation technique based on the smaller signaling codebook.2. The method of wherein reducing the number of transmission options comprises communicating entries of the smaller signaling codebook claim 1 , the entries of the smaller signaling codebook being communicated with fewer bits than required to communicate entries of the larger master codebook claim 1 ,wherein the smaller signaling codebook is arranged to capture a predetermined subset of transmission options.3. The method of further comprising:receiving higher-layer ...

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Номер записи: 138
02-01-2020 дата публикации

BEAM RECOVERY FRAME STRUCTURE AND RECOVERY REQUEST FOR COMMUNICATION SYSTEMS

Номер: US20200008209A1
Автор: Davydov Alexei, Han Seung Hee, He Hong, KWAK Yongjun, Lee Daewon, Lee Wook Bong, WANG Guotong, Xiong Gang, Zhang Yushu
Принадлежит:

An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to select one or more recovery channels based on one or more recovery factors; determine a beam recovery frame structure using the selected one or more recovery channels and based at least partially on beam correspondence capabilities; and provide the selected one or more recovery channels and the determined beam recovery frame structure to the RF interface for transmission to a user equipment (UE) device. 125-. (canceled)26. An apparatus for a base station , comprising baseband circuitry having:a radio frequency (RF) interface; and select one or more recovery channels based on one or more recovery factors;', 'determine a beam recovery frame structure using the selected one or more recovery channels based at least partially on beam correspondence capabilities; and', 'provide the selected one or more recovery channels and the determined beam recovery frame structure to the RF interface for transmission to a user equipment (UE) device., 'one or more processors configured to27. The apparatus of claim 26 , wherein the beam correspondence capabilities include that beam correspondence is supported by the base station and/or the UE device.28. The apparatus of claim 26 , wherein the determined beam recovery frame structure includes a plurality of repetitions of a recovery channel claim 26 , where each repetition includes a cyclic prefix (CP) as a time boundary.29. The apparatus of claim 26 , wherein the determined beam recovery frame structure includes a plurality of repetitions of a recovery channel claim 26 , where each repetition omits a time boundary.30. The apparatus of claim 26 , wherein the one or more recovery channels include one or more of a physical random access channel (PRACH) and a physical uplink control channel (PUCCH).31. The apparatus ...

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Номер записи: 139
11-01-2018 дата публикации

METHODS AND DEVICES FOR TIME AND FREQUENCY OFFSET ESTIMATION

Номер: US20180014268A1
Автор: Davydov Alexei, KUPPUSAMY Vijaykumar
Принадлежит:

A circuit arrangement includes a channel estimation circuit configured to acquire a channel estimate including a plurality of channel samples based on a range of time and frequency locations of a received signal, a first calculation circuit configured to calculate a first time and frequency correlation product of the channel estimate and a second calculation circuit configured to calculate a second time and frequency correlation product of the channel estimate, a time offset circuit configured to determine a time offset based on the first time and frequency correlation product and the second time and frequency correlation product, and a frequency offset circuit configured to determine a frequency offset based on the first time and frequency correlation product and the second time and frequency correlation product. 1. A circuit arrangement comprising:a channel estimation circuit configured to acquire a channel estimate comprising a plurality of channel samples based on a range of time and frequency locations of a received signal;a first calculation circuit configured to calculate a first time and frequency correlation product of the channel estimate and a second calculation circuit configured to calculate a second time and frequency correlation product of the channel estimate;a time offset circuit configured to determine a time offset based on the first time and frequency correlation product and the second time and frequency correlation product; anda frequency offset circuit configured to determine a frequency offset based on the first time and frequency correlation product and the second time and frequency correlation product.2. The circuit arrangement of claim 1 , further comprising a radio transceiver claim 1 , an antenna system claim 1 , and a controller and configured as a radio communication device.3. The circuit arrangement of claim 2 , wherein the radio transceiver is further configured to synchronize reception with a transmitter of the received signal ...

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Номер записи: 140
10-01-2019 дата публикации

USER EQUIPMENT AND BASE STATION CONFIGURED FOR APERIODIC CSI REFERENCES SIGNALS(CSI-RS) WITH APERIODIC REPORT TRIGGERING

Номер: US20190014559A1
Автор: Bolotin Ilya, Davydov Alexei, Morozov Gregory, Sergeyev Vadim
Принадлежит:

Dynamic transmission of non-zero power channel state information resource signals and interference measurement resources is described. Such dynamic transmission reduces or eliminates a need to buffer and store channel and interference measurements The described approach also reduces the overhead due to transmission of those resources and enables flexible time-domain channel state information requests. 1. (canceled)2. An apparatus of a user equipment (UE) , the apparatus comprising: processing circuitry; and memory , the processing circuitry configured to:decode radio-resource control (RRC) signalling, the RRC signalling including channel state information (CSI) measurement configuration information indicating non-zero power CSI reference signal (NZP-CSI-RS) resources for channel measurement and CSI interference measurement (CSI-IM) resources for interference measurement, the RRC signalling further indicating an offset;configure the UE for use of aperiodic CSI reference signals (CSI-RS) with aperiodic report triggering in response to the CSI measurement configuration information;decode downlink control information (DCI) that includes a CSI request and an uplink grant;trigger CSI reporting in response to the CSI request;configure the UE to use CSI-RS resources in a portion of a subframe relative to the DCI based on the offset, wherein the processing circuitry configures the UE to use the NZP-CSI-RS resources, in the portion of the subframe, for channel measurement, and to use the CSI interference measurement (CSI-IM) resources, in the portion of the subframe, for interference measurement; andencode an aperiodic CSI report, based on the measurements, in accordance with the uplink grant received in the DCI, for transmission carried on a physical uplink shared channel (PUSCH),wherein the memory is configured to store the CSI report.3. The apparatus of claim 2 , wherein the processing circuitry is to configure the UE to use the CSI-RS resources in the portion of a ...

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Номер записи: 141
14-01-2021 дата публикации

UE CONFIGURED FOR JOINT ACTIVATION OF TCI STATES AND SPATIAL RELATION INFO ON MULTIPLE COMPONENT CARRIERS

Номер: US20210014848A1
Автор: Davydov Alexei, Sengupta Avik
Принадлежит:

Embodiments of a user equipment (UE) configured for operation in a fifth generation (5G) new radio (NR) network are disclosed herein. In some embodiments, a media access control Layer (MAC) control element (CE) (MAC CE) may activate a spatial relation info for a sounding reference signal (SRS) resource for two or more indicated component carriers (CCs). The spatial relation info for the SRS resource for the two or more indicated CCs may be applied in response to the activation. The SRS resource may be transmitted in the two or more indicated CCs with a same spatial transmission filter that is used for another reference signal configured in the spatial relation info when the UE is configured with one or more SRS resource configurations and when the spatial relation info is activated. 120-. (canceled)21. An apparatus for a user equipment (UE) configured for operation in a fifth-generation (5G) new radio (NR) network , the apparatus comprising: processing circuitry; and memory , the processing configured to:decode a media access control Layer (MAC) control element (CE) (MAC CE) to activate a spatial relation info for a sounding reference signal (SRS) resource for two or more indicated component carriers (CCs);apply the spatial relation info for the SRS resource for the two or more indicated CCs in response to the activation; andwhen the spatial relation info is activated, configure the UE to transmit the SRS resource in the two or more of the indicated CCs with a same spatial transmission filter that is used for another reference signal configured in the spatial relation info when the UE is configured with one or more SRS resource configurations,wherein the memory is configured to store the MAC CE.22. The apparatus of claim 21 , wherein when the UE is configured for reception of a downlink reference signal configured in the spatial relation info claim 21 , the processing circuitry is to:configure the UE to transmit the SRS resource in the two or more of the indicated ...

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Номер записи: 142
09-01-2020 дата публикации

METHOD AND APPARATUS FOR NUMEROLOGY CONFIGURATION IN NON-COHERENT JOINT TRANSMISSION

Номер: US20200015203A1
Автор: Davydov Alexei, Lee Wook Bong, MIAO Honglei, Xiong Gang, Zhang Yushu
Принадлежит:

Provided herein are method and apparatus for numerology configuration in non-coherent joint transmission. The disclosure provides an apparatus for a user equipment (UE), comprising circuitry configured to: determine one or more numerologies defined for at least one of different codewords, different layers, and different links for a non-coherent joint transmission (NCJT) to the UE, the NCJT comprising a first transmission from a first access node and a second transmission from a second access node; and process the NCJT according to the determined one or more numerologies. Also provided is a configuration of one or more transmission schemes for at least one of different codewords, different layers, and different links for a NCJT to the UE. Some embodiments allow for uplink NCJT with one or more numerologies defined for at least one of different codewords, different layers, and different links. 125-. (canceled)26. An apparatus for a user equipment (UE) , comprising circuitry configured to:determine one or more numerologies defined for at least one of different codewords, different layers, and different links for a non-coherent joint transmission (NCJT) to the UE, the NCJT comprising a first transmission from a first access node and a second transmission from a second access node; andprocess the NCJT according to the determined one or more numerologies.27. The apparatus of claim 26 , wherein the one or more numerologies comprise more than one numerology claim 26 , and wherein the circuitry is further configured to:decode higher layer signaling or Downlink Control Information (DCI) from the first access node to determine numerologies for the first transmission; anddecode higher layer signaling or DCI from the second access node to determine numerologies for the second transmission.28. The apparatus of claim 26 , wherein the at least one numerology for the first transmission is the same as the at least one numerology for the second transmission.29. The apparatus of claim ...

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Номер записи: 143
17-04-2014 дата публикации

Joint Transmission in a Wireless Network

Номер: US20140105109A1
Автор: Chen Xiaogang, Davydov Alexei, Li Qinghua, Zhu Yuan
Принадлежит:

A system for receiving joint transmission wireless signals may include a transceiver to receive a plurality of colliding wireless signals. One of the wireless signals may include reference signal data while another of the wireless signals may include user data. The reference signal data may be combined with the user data into a superimposed signal. The reference signal data may be filtered out from the superimposed data, and the user data may be decoded. 1. A method , comprising:{'sup': 'rd', 'receiving, at a user equipment (UE) operating within a 3Generation Partnership Project (3GPP), Long Term Evolution-Advanced (LTE-Advanced) network via a Cooperative Multiple Point Transmission (CoMP) Scenario 3, a plurality of colliding wireless signals, wherein one of the wireless signals comprises reference signal data and another of the wireless signals comprises user data sent over a Physical Downlink Shared Channel (PDSCH);'}combining the reference signal data with the user data into a superimposed signal;filtering out the reference signal data from the superimposed signal; anddecoding the user data from the superimposed signal.2. The method of claim 1 , wherein the colliding wireless signals are received from multiple evolved node Bs (eNBs) simultaneously transmitting to the UE.3. The method of claim 2 , wherein the colliding wireless signals are sent as a joint transmission from the multiple eNBs.4. The method of claim 1 , wherein filtering out the reference signal data from the superimposed signal comprises:detecting the reference signal data from the superimposed signal;estimating at least one channel response from the reference signal data; andsubtracting the reference signal data from the superimposed wireless signal.5. The method of claim 4 , wherein after subtracting the reference signal data from the superimposed signal claim 4 , the remaining part of the superimposed signal is the user data.6. The method of claim 1 , wherein the plurality of colliding wireless ...

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Номер записи: 144
16-01-2020 дата публикации

METHOD AND APPARATUS FOR INTERFERENCE MEASUREMENT USING BEAM MANAGEMENT REFERENCE SIGNAL

Номер: US20200021337A1
Автор: Davydov Alexei, Kwon Seok Chul, Li Qian, WANG Guotong, Zhang Yushu
Принадлежит:

Provided herein are a method and an apparatus for interference measurement using a beam management reference signal (BM-RS). The disclosure provides an apparatus for a user equipment (UE), comprising circuitry configured to: decode one or more beam management reference signals broadcasted by a Transmission Reception Point (TRP) in a cell, wherein the one or more beam management reference signals are used by the TRP to perform beam management for respective one or more other UEs in the cell; and measure interference from the one or more other UEs in the cell based on the decoded one or more beam management reference signals. According to some embodiments, the overhead for the interference measurement can be reduced since it is not necessary to allocate a separate CSI-RS for the purpose of interference measurement. 125.-. (canceled)26. An apparatus for a User Equipment (UE) , comprising:a radio frequency (RF) interface to receive one or more beam management reference signals broadcasted by a Transmission Reception Point (TRP) in a cell, wherein the one or more beam management reference signals are used by the TRP to perform beam management for respective one or more other UEs in the cell; andprocessing circuitry coupled with the RF interface, decode the one or more beam management reference signals; and', 'measure interference from the one or more other UEs in the cell based on the decoded one or more beam management reference signals., 'wherein the processing circuitry is configured to27. The apparatus of claim 26 , wherein the processing circuitry is further configured to:select a subset of the decoded one or more beam management reference signals as interference measurement resource (IMR) to measure interference from a respective subset of the one or more other UEs based on the selected subset of the decoded one or more beam management reference signals.28. The apparatus of claim 27 , wherein the processing circuitry is further configured to:decode an indication ...

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Номер записи: 145
16-01-2020 дата публикации

METHOD AND APPARATUS FOR RADIO LINK MONITORING

Номер: US20200021372A1
Автор: Davydov Alexei, Han Seunghee, Lee Daewon, Lee Wook Bong, Morozov Gregory, WANG Guotong, Zhang Yushu
Принадлежит:

Provided herein are method and apparatus for perform radio link monitoring (RLM) based on a Reference signal (RS). An embodiment provides a user Equipment (UE) comprising circuitry configured to: decode a Reference Signal (RS) received from an access node; and determine beam quality for one or more beam pair links (BPLs) of the RS between the UE and the access node based on the decoded RS, wherein each of the BPLs comprises a transmit (Tx) beam of the access node and a receive (Rx) beam of the UE. Also provided is a procedure of RLM. At least some embodiments allow for beam recovery request for UE beam refinement, and allow for determining whether radio link failure (RLF) occurs. 125.-. (canceled)26. One or more non-transitory , computer-readable media having instructions that , when executed by one or more processors , cause a user equipment (UE) to:decode a Reference Signal (RS) received from an access node; anddetermine beam quality for one or more beam pair links (BPLs) of the RS between the UE and the access node based on the decoded RS, wherein each of the BPLs comprises a transmit (Tx) beam of the access node and a receive (Rx) beam of the UE.27. The one or more non-transitory claim 26 , computer-readable media of claim 26 , wherein the RS is a Synchronization Signal (SS) or a Channel State Information Reference Signal (CSI-RS) claim 26 , as pre-defined or configured by higher layer signaling.28. The one or more non-transitory claim 26 , computer-readable media of claim 26 , wherein the beam quality for the BPLs is determined by measuring Reference Signal Receiving Power (RSRP) or Reference Signal Receiving Quality (RSRQ) of the decoded RS.29. The one or more non-transitory claim 26 , computer-readable media of claim 26 , wherein the instructions claim 26 , when executed claim 26 , further cause the UE to determine that out-of-sync occurs if the beam quality for all of the BPLs is below a first threshold.30. The one or more non-transitory claim 26 , computer- ...

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Номер записи: 146
21-01-2021 дата публикации

BEAM FAILURE RECOVERY FOR UPLINK

Номер: US20210021325A1
Автор: Davydov Alexei, Lopez Aida Vera
Принадлежит:

Various embodiments herein provide techniques for beam failure recovery in uplink. A user equipment (UE) may be configured with one or more thresholds, such as one or more power-related thresholds and/or one or more duty cycle thresholds. The UE may proactively detect a beam failure event based on the one or more thresholds. Other embodiments may be described and claimed. 1. One or more non-transitory , computer-readable media (NTCRM) having instructions , stored thereon , that when executed cause a user equipment (UE) to:receive, from an access node, configuration information to configure one or more thresholds, the one or more thresholds to include a power-related threshold or a duty-cycle related threshold; anddetect a beam failure event in an uplink based on the one or more thresholds.2. The one or more NTCRM of claim 1 , wherein performance of the detection is based on user proximity detection.3. The one or more NTCRM of claim 1 , wherein the instructions claim 1 , when executed claim 1 , are further to cause the UE to perform one or more measurements on one or more beam failure reference signals claim 1 , wherein the detection is further based on the one or more measurements.4. The one or more NTCRM of claim 3 , wherein the one or more beam failure reference signals include a synchronization signal block (SSB).5. The one or more NTCRM of claim 3 , wherein the one or more beam failure reference signals include a channel state information (CSI)-reference signal (RS).6. The one or more NTCRM of claim 3 , wherein the one or more beam failure reference signals include one or more downlink reference signals configured in spatial relation information of a physical uplink control channel (PUCCH).7. The one or more NTCRM of claim 3 , wherein the one or more measurements include at least one of a block error rate (BLER) measurement or an uplink received signal received power (RSRP) measurement.8. The one or more NTCRM of claim 3 , wherein the one or more measurements ...

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Номер записи: 147
24-04-2014 дата публикации

PERIODIC CHANNEL STATE INFORMATION (CSI) REPORTING USING A PHYSICAL UPLINK CONTROL CHANNEL (PUCCH)

Номер: US20140112300A1
Автор: Davydov Alexei, Etemad Kamran, Fwu Jong-Kae, Han Seunghee
Принадлежит:

Technology for periodic channel state information (CSI) reporting using a physical uplink control channel (PUCCH) is disclosed. One method can include a user equipment (UE) generating a CSI report with a physical uplink control channel (PUCCH) first reporting type and a CSI report with a PUCCH second reporting type; and dropping a CSI report with the PUCCH first reporting type of a serving cell when the CSI report with the PUCCH first reporting type has a collision with the CSI report with PUCCH second reporting type of the serving cell. The PUCCH first reporting type can have a lower priority level than the PUCCH second reporting type. 1. A method of reporting a channel state information (CSI) of a user equipment (UE) , comprising:generating a CSI report with a physical uplink control channel (PUCCH) first reporting type and a CSI report with a PUCCH second reporting type; anddropping a CSI report with the PUCCH first reporting type of a serving cell when the CSI report with the PUCCH first reporting type has a collision with the CSI report with PUCCH second reporting type of the serving cell, wherein the PUCCH first reporting type has a lower priority level than the PUCCH second reporting type.2. The method of claim 1 , wherein the PUCCH first reporting type comprises PUCCH reporting types 1 claim 1 , 1a claim 1 , 2 claim 1 , 2b claim 1 , 2c claim 1 , or 4.3. The method of claim 1 , wherein the PUCCH second reporting type comprises PUCCH reporting types 3 claim 1 , 5 claim 1 , or 6.4. The method of claim 1 , wherein the UE is configured with a transmission mode 10 (TM 10) and dropping further comprises when the CSI reports have PUCCH reporting types of a same priority and the CSI reports correspond to different CSI processes:associating each CSI report to a CSI Process Index (CSIProcessIndex); anddropping the CSI processes except a CSI process with a lowest CSIProcessIndex.5. The method of claim 1 , wherein the UE is configured with a transmission mode 10 (TM 10) ...

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Номер записи: 148
29-01-2015 дата публикации

FREQUENCY OFFSET MEASUREMENT ENHANCEMENTS FOR LONG TERM EVOLUTION (LTE)

Номер: US20150029874A1
Автор: Bolotin Ilya, Davydov Alexei Vladimirovich, Fwu Jong-Kae, Han Seunghee, Maltsev Alexander Alexanrovich, Morozov Gregory Vladimirovich, Sergeyev Vadim Sergeyevich
Принадлежит:

Embodiments for providing frequency offset measurement enhancements are generally described herein. In some embodiments, user equipment is informed of a configuration of a first reference signal and a configuration of a second reference signal. The first reference signal is provided to user equipment for performing channel estimation. A second reference signal for estimating carrier frequency offset is provided, wherein the second reference signal is co-located with the first reference signal. A carrier frequency offset estimation is calculated based on the co-located first and second reference signals. 143-. (canceled)44. A method for providing frequency offset measurement enhancements , comprising:providing co-location information to user equipment to inform the user equipment of a configuration of a first reference signal and a configuration of a second reference signal co-located with the first reference signal; andproviding, to the user equipment, the first reference signal and the second reference signal co-located with the first reference signal for measuring carrier frequency offset by the user equipment.45. The method of claim 44 , wherein the first reference signal is arranged to identify a data transmission for determining an associated carrier frequency offset and the second reference signal is arranged for measuring the carrier frequency offset of the data transmission identified by the first reference signal.46. The method of claim 44 , wherein the providing the first reference signal comprises providing a user equipment-specific reference signal and the providing the second reference signal comprises providing a positioning reference signal or a second reference signal mutable to prevent interference from other eNBs.47. The method of claim 46 , wherein the providing the user equipment-specific reference signal comprises providing a demodulation reference signal.48. The method of claim 44 , wherein the providing the co-location information comprises ...

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Номер записи: 149
29-01-2015 дата публикации

Techniques for efficient small cell discovery

Номер: US20150029919A1
Автор: Alexei Davydov, JONG-KAE FWU, SEUNGHEE HAN, Xiaogang Chen, Yuan Zhu
Принадлежит: Intel IP Corp

Techniques for efficient small cell discovery are described. In one embodiment, for example, an evolved node B (eNB) may comprise logic, at least a portion of which is in hardware, the logic to determine a discovery signal transmission schedule for a series of radio frames based on a discovery signal muting pattern specifying at least one discovery-muted radio frame among the series of radio frames, and a transceiver to transmit at least one primary synchronization signal (PSS) and at least one secondary synchronization signal (SSS) during the series of radio frames according to the discovery signal transmission schedule. Other embodiments are described and claimed.

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Номер записи: 150
29-01-2015 дата публикации

UPLINK COMMUNICATION TECHNIQUES FOR NON-IDEAL BACKHAUL SCENARIOS

Номер: US20150029957A1
Автор: Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Heo Youn Hyoung, Zhu Yuan
Принадлежит:

Uplink communication techniques for non-ideal backhaul scenarios are described. In one embodiment, for example, user equipment (UE) may comprise logic, at least a portion of which is in hardware, the logic to receive an uplink (UL) communication process configuration message identifying a configured UL communication process for the UE, the UL communication process configuration message comprising a cell identifier and one or more configuration information elements (IEs), each configuration IE comprising configuration information for UL communications on the part of the UE, the logic to send a UL message based on the configuration information comprised in at least one of the configuration IEs. Other embodiments are described and claimed. 1. User equipment (UE) , comprising:logic, at least a portion of which is in hardware, the logic to receive an uplink (UL) communication process configuration message identifying a configured UL communication process for the UE, the UL communication process configuration message comprising a cell identifier and one or more configuration information elements (IEs), each configuration IE comprising configuration information for UL communications on the part of the UE, the logic to send a UL message based on the configuration information comprised in at least one of the configuration IEs.2. The UE of claim 1 , the logic to determine a pathloss to an evolved node B (eNB) corresponding to the cell identifier.3. The UE of claim 1 , the logic to send the UL message in a dual-connectivity operation mode based on the configuration information comprised in at least one of the configuration IEs.4. The UE of claim 1 , the logic to send the UL message in a UL coordinated multipoint (UL-CoMP) operation mode based on the configuration information comprised in at least one of the configuration IEs.5. The UE of claim 1 , the one or more configuration IEs including at least one configuration IE comprising configuration information for communications ...

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Номер записи: 151
25-01-2018 дата публикации

PERIODIC CHANNEL STATE INFORMATION REPORTING FOR TIME DIVISION DUPLEX (TDD) CARRIER AGGREGATION SYSTEMS

Номер: US20180027442A1
Автор: Bolotin Ilya, Davydov Alexei, Fwu Jong-Kae, Han Seunghee, He Hong
Принадлежит:

Technology for a user equipment (UE) operable to report periodic channel state information (CSI) to an eNodeB is disclosed. The UE can determine a reporting period (N) of a serving cell of the UE. The UE can determine a Time-Division Duplex (TDD) uplink-downlink (UL-DL) configuration of a primary cell of the UE. The UE can encode multiple periodic CSI reports for transmission to the eNodeB using a physical uplink control channel (PUCCH) on the primary cell according to the reporting period N. 1. An apparatus of an eNodeB operable to receive periodic channel state information (CSI) from a user equipment (UE) , the apparatus comprising:memory; andone or more processors configured to:{'sub': pd', 'pd, 'encode, at the eNodeB, a reporting period (N) for transmission to the UE, wherein the reporting period Nis for a serving cell of the UE;'}encode, at the eNodeB, a Time-Division Duplex (TDD) uplink-downlink (UL-DL) configuration for transmission to the UE, wherein the TDD UL-DL configuration is associated with a primary cell of the UE; and{'sub': 'pd', 'decode, at the eNodeB, multiple periodic CSI reports received from the UE using a physical uplink control channel (PUCCH) on the primary cell according to the reporting period N, wherein{'sub': 'pd', 'the reporting period N=1 is selected for the serving cell when the TDD UL-DL configuration of the primary cell is 0, 1, 3, 4, or 6 and all UL subframes of the primary cell in a radio frame are used for periodic CSI reporting; or'}{'sub': 'pd', 'the reporting period N=5 is selected for the serving cell when the TDD UL-DL configuration of the primary cell is 0, 1, 2, or 6; or'}{'sub': 'pd', 'the reporting period N=10, 20, 40, 80, or 160 is selected for the serving cell for all TDD UL-DL configurations of the primary cell.'}2. The apparatus of claim 1 , further comprising a transceiver configured to:{'sub': 'pd', 'send the reporting period Nto the UE;'}send the TDD UL-DL configuration to the UE; andreceive the multiple CSI ...

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Номер записи: 152
25-01-2018 дата публикации

EVOLVED NODE-B AND USER EQUIPMENT AND METHODS FOR OPERATION IN A COVERAGE ENHANCEMENT MODE

Номер: US20180027516A1
Автор: Choi Gi Wan, Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Xiong Gang
Принадлежит:

Embodiments of an eNB to operate in accordance with a coverage enhancement mode are disclosed herein. The eNB may comprise hardware processing circuitry to, during a legacy sub-frame, transmit a system information block (SIB) in legacy SIB frequency resources according to a legacy SIB transmission format and refrain from transmission of channel state information reference signals (CSI-RS). The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first portion of the SIB in first SIB frequency resources included in the legacy SIB frequency resources. The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first set of CSI-RS in first CSI-RS frequency resources that include at least a portion of the legacy SIB frequency resources. 1. An apparatus of an Evolved Node-B (eNB) , the apparatus comprising: processing circuitry , configured to:determine a plurality of mapped resource elements of a physical downlink shared channel (PDSCH), for transmission of a system information block (SIB) to a user equipment (UE) configured for enhanced coverage, the mapped resource elements to repeat periodically in sets of frames, wherein one or more channel state information reference signals (CSI-RS) occupies one or more of the mapped resource elements; andconfigure the eNB to transmit, during an enhanced coverage sub-frame, the SIB within the plurality of mapped resource elements of the PDSCH; andmemory, configured to store data of the SIB.2. The apparatus of claim 1 , wherein the processing circuitry is configured to configure the eNB to refrain from transmission of the CSI-RS within resource elements of the enhanced coverage sub-frame.3. The apparatus of claim 2 , wherein the processing circuitry is configured to configure the eNB to refrain from transmission of a CSI-RS in a subframe where transmission of the CSI-RS would collide with the SIB.4. The apparatus of claim 1 , ...

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Номер записи: 153
01-02-2018 дата публикации

ENHANCED NODE B AND METHODS FOR NETWORK ASSISTED INTERFERENCE CANCELLATION WITH REDUCED SIGNALING

Номер: US20180034601A1
Автор: Clevorn Thorsten, Davydov Alexei Vladimirovich, ELLENBECK Jan, Franz Stefan, Raaf Bernhard, ROESSEL SABINE
Принадлежит:

Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message. 1. An apparatus of user equipment (UE) , the apparatus comprising: encode radio-resource control (RRC) signaling for transmission to an enhanced node B (eNB), the RRC signaling indicating that the UE supports Network Assisted Interference Cancellation Suppression (NAICS);', 'decode RRC signaling received from the eNB to determine neighbor cell information for the NAICS, the neighbor cell information including a cell identity (ID) and one or more transmission modes (TMs) of a neighbor cell;', 'decode RRC signaling received from the eNB to determine cell specific reference signal (CRS) information for use in performance of the interference mitigation technique; and', 'perform interference mitigation technique based on the neighbor cell information for NAICS and based on the CRS information., 'memory and processing circuitry configured to2. The apparatus of claim 1 , the processing circuitry configured to decode RRC signaling received from the eNB to determine whether a codebook subset restriction is applicable to transmission modes to be used by the UE.3. The apparatus of wherein the codebook subset restriction is configured to limit transmission options of the UE claim 1 , the ...

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Номер записи: 154
04-02-2016 дата публикации

APPARATUS, COMPUTER-READABLE MEDIUM, AND METHOD TO DETERMINE A USER EQUIPMENT LOCATION IN A CELLULAR NETWORK USING SIGNALS FROM A WIRELESS LOCAL AREA NETWORK (WLAN)

Номер: US20160037301A1
Автор: Davydov Alexei, Fwu Jong-Kae, Morozov Gregory
Принадлежит:

An apparatus, computer-readable medium, and method to determine a user equipment (UE) location in a wireless network using signals from a wireless local-area network are disclosed. A wireless communication network entity may be configured to send WLAN assistance data to a UE. The WLAN assistance data may include a list of one or more WLAN access points (APs). The wireless communication network entity may receive location information from the UE. The location information may be based on measurements of signals from one or more of the WLAN APs. The wireless communication network entity may determine an estimate of the location of the UE based on the location information and stored information at the wireless communication network. The wireless communication network entity may determine the estimate of the location of the UE based on the measurements of the signals of the WLAN APs and a geographic position of the WLAN APs. 1. A wireless communication network entity , the network entity comprising one or more processors configured to:send wireless local area network (WLAN) assistance data to a user equipment (UE), wherein the WLAN assistance data comprises a list of one or more WLAN access points (APs);receive location information from the UE, wherein the location information is based on measurements of signals from one or more of the WLAN APs of the list of one or more WLAN APs; anddetermine an estimate of the location of the UE based on the location information.2. The wireless communication network entity of claim 1 , wherein each of the list of one or more WLAN APs are identified by a basic service set identifier (BSSID).3. The wireless communication network entity of claim 1 , wherein the list of one or more WLAN APs further comprises claim 1 , for at least one AP claim 1 , at least one from the following group: one or more frequency channels and a beacon time interval.4. The wireless communication network entity of claim 1 , wherein the WLAN assistance data further ...

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Номер записи: 155
01-02-2018 дата публикации

HIGHER ORDER MU-MIMO FOR LTE-A

Номер: US20180035302A1
Автор: Davydov Alexei Vladimirovich, Zhu Yuan
Принадлежит: Intel Corporation

An access node of a 3GPP LTE-based wireless communication network comprises a transmitter portion that transmits downlink control information (DCI) to at least one wireless station of a plurality of wireless stations wirelessly accessing the node as a Multi-User Multiple Input Multiple Output (MU-MIMO) wireless communication network. The DCI comprises at least one code word indicating a rank of a channel matrix between the transmitter portion of the node and the wireless station greater than 4 and a spatial-related configuration for the wireless station. In one exemplary embodiment, the transmitter portion transmits the DCI from one substantially localized geographical transmission point forming a single-cell access point for the plurality of wireless stations. In another exemplary embodiment, the transmitter portion transmits the DCI from multiple geographically substantially isolated transmission points forming a single-cell access point. 1. An access node of a wireless communication network , the access node comprising a transmitter portion capable of transmitting downlink control information to at least one wireless station of a plurality of wireless stations wirelessly accessing the node as a Multi-User Multiple Input Multiple Output (MU-MIMO) wireless communication network , the downlink control information transmitted to the at least one wireless station being transparent to at least one other wireless station , the downlink control information comprising at least two code words indicating a rank of a channel matrix between the transmitter portion of the node and the wireless station greater than 4 and a spatial-related configuration for the wireless station.2. The access node according to claim 1 , whereinthe downlink control information comprises one code word of the at least two code words is enabled and another code word of the two code words is disabled, the one enabled code word indicating support for up to a rank 8 MU-MIMO wireless network and each ...

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Номер записи: 156
17-02-2022 дата публикации

Group Based Beam Reporting and Channel State Information Reference Signal Configuration in New Radio Systems

Номер: US20220052738A1
Автор: Davydov Alexei, WANG Guotong, Zhang Yushu
Принадлежит:

Embodiments of the present disclosure describe methods and apparatuses for group based beam reporting and channel state information reference signal configuration in new radio systems. 1. (canceled)227.-. (canceled)28. An apparatus , comprising:a memory interface; and transmit, by a transmission reception point (TRP), a set of transmission beams; and', 'receive, by the TRP, reporting from a user equipment (UE) based on the transmitted set of transmission beams including at least one of group-based beam reporting or non-group based reporting, wherein for group-based beam reporting, report information includes a group of beams of the set of transmission beams that can be received simultaneously by the UE, wherein for non-group based reporting, the report information includes respective layer 1 reference signal received power (L1-RSRP) information of a plurality of beams of the set of transmission beams, and wherein the plurality of the set of transmission beams are based on channel state information-reference signals (CSI-RSs) quasi-collocated with respective beams associated with synchronization signal blocks (SSBs)., 'a processor in communication with the memory interface, wherein the processor is configured to29. The apparatus of claim 28 ,wherein the TRP is associated with a next generation nodeB (gNB).30. The apparatus of claim 28 ,wherein different transmission beams of the set of transmission beams are simultaneously received by different antenna panels of the UE.31. The apparatus of claim 28 ,wherein a one-bit indicator is used to indicate whether transmission beams of the set of transmission beams reported by the UE at different reporting instances can be received simultaneously by the UE.32. The apparatus of claim 28 ,wherein, for non-group based reporting, a relationship between two reporting instances is pre-defined, configured by higher layer signaling or downlink control information (DCI), or reported by the UE with an explicit indicator.33. The ...

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Номер записи: 157
17-02-2022 дата публикации

RESOURCE ALLOCATION FOR MULTI-TRP URLLC

Номер: US20220052803A1
Автор: Chatterjee Debdeep, Davydov Alexei, Mondal Bishwarup, Sengupta Avik, Zhang Yushu
Принадлежит: Apple Inc.

An approach is described for an access node configured for ultra-reliable and low latency (URLLC) transmission using multi-transmission reception point (TRP) to a UE. The access node includes processor circuitry and radio front end circuitry. The processor circuitry is configured to allocate resource blocks into a first portion and a second portion based on a resource indication value (RIV), a length of contiguously allocated resource blocks (LRBS) and a fraction. The radio front end circuitry is configured to transmit the first portion to the UE via a first transmission reception point (TRP), and transmit the second portion to the UE via a second transmission reception point (TRP). 1. A method by an access node for ultra-reliable and low latency (URLLC) transmission using multi-transmission reception point (TRP) to a user equipment (UE) , the method comprising:allocating resource blocks into a first portion and a second portion based on a resource indication value (RIV), a length of contiguously allocated resource blocks (LRBS) and a fraction;{'b': '1', '#text': 'transmitting the first portion to the UE via a first transmission reception point (TRP), and'}{'b': '2', '#text': 'transmitting the second portion to the UE via a second transmission reception point (TRP).'}2. The method of claim 1 , wherein the fraction is one-half claim 1 , one-third or one-quarter.3. The method of claim 1 , wherein the RIV corresponds to a starting virtual resource block.4. The method of claim 1 , wherein the second portion is a remainder of the resource blocks after allocation of the first portion of the resource blocks.5. The method of claim 1 , wherein the allocating resource blocks further includes allocating into the first portion claim 1 , the second portion and a third portion claim 1 , and wherein the further allocating is further based on a second fraction.6. The method of claim 5 , wherein the fraction is one-half claim 5 , one-third or one-quarter claim 5 , and wherein the ...

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Номер записи: 158
31-01-2019 дата публикации

CSI FEEDBACK FOR OPEN LOOP FD-MIMO TRANSMISSION

Номер: US20190036574A1
Автор: CHANG Wenting, Davydov Alexei, Li Qinghua, Zhang Yushu, Zhu Yuan
Принадлежит: Intel IP Corporation

Briefly, in accordance with one or more embodiments, an apparatus of a user equipment (UE) comprises one or more baseband processors to decode one or more channel state information reference signals (CSI-RS) received from an evolved Node B (eNB) using open loop full-dimension multiple input, multiple output (FD-MIMO), and to generate feedback to the eNB responsive to the one or more CSI-RS signals, and a memory to store a Class A codebook from which the feedback is generated, wherein the feedback includes an i codebook index of the Class A codebook and a channel quality indicator (CQI) determined based at least in part on i codebook index cycling across one or more physical resource blocks (PRBs). In some embodiments, Class B feedback using a Class B codebook by be utilized. 125-. (canceled)26. An apparatus of a user equipment (UE) , comprising:one or more baseband processors to decode one or more channel state information reference signals (CSI-RS) received from an evolved Node B (eNB) using open loop full-dimension multiple input, multiple output (FD-MIMO), and to generate feedback to the eNB responsive to the one or more CSI-RS signals; and{'sub': 1', '2, 'a memory to store a Class A codebook from which the feedback is generated, wherein the feedback includes an icodebook index of the Class A codebook and a channel quality indicator (CQI) determined based at least in part on icodebook index cycling across one or more physical resource blocks (PRBs).'}27. The apparatus of claim 26 , further comprising a radio-frequency (RF) transceiver to receive the one or more channel state information reference signals (CSI-RS) transmitted from the evolved Node B (eNB) claim 26 , and to transmit the feedback to the eNB as Class A feedback.281. The apparatus of claim 26 , wherein the CQI is determined based at least in part using Codebook-Config=.29011. The apparatus of claim 26 , wherein the CQI is determined based at least in part on iindex cycling among a subset of codebook ...

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Номер записи: 159
30-01-2020 дата публикации

Receive beam indication for 5g systems

Номер: US20200036429A1
Автор: Alexei Davydov, Gregory Morozov, Hyejung Jung
Принадлежит: Apple Inc

Systems and technologies described herein provide functionality for a cellular base station to dynamically indicate a reception (Rx) beam to be used by a user equipment (UE). The Rx beam can be indicated explicitly or implicitly. The UE can, for example, use the Rx beam for Physical Downlink Shared Channel (PDSCH) reception, Channel State Information Reference Signal (CSI-RS) measurements, and/or Channel State Information (CSI) calculation at the UE. Systems and technologies described herein are generally useful for systems that use multiple transmission (Tx) beams and/or that support Coordinated Multipoint (CoMP) transmission technology.

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Номер записи: 160
31-01-2019 дата публикации

MEASUREMENT RESTRICTIONS FOR COMP

Номер: US20190037429A1
Автор: Davydov Alexei
Принадлежит:

An apparatus of a user equipment (UE) configured for a transmission mode 10 (TM 10) and operable to perform downlink coordinated multi-point (CoMP) operations with a single transmission point (TP) is disclosed. The apparatus can decode configuration information for a non-zero channel state information reference signal (NZP CSI-RS) resource received from a serving cell. The apparatus can decode configuration information for a measurement restriction for the NZP CSI-RS resource for the UE received from the serving cell. The apparatus can configure the UE with a quasi-co-location (QCL) type A and not a QCL type B based on the measurement restriction. The apparatus can decode channel state information reference signals (CSI-RS) received from the single transmission point in the configured NZP CSI-RS resource on different downlink (DL) subframes. 125-. (canceled)26. An apparatus of a user equipment (UE) configured for a transmission mode 10 (TM 10) and operable to perform downlink coordinated multi-point (CoMP) operations with a single transmission point (TP) , the apparatus comprising: decode configuration information for a non-zero channel state information reference signal (NZP CSI-RS) resource received from a serving cell;', 'decode configuration information for a measurement restriction for the NZP CSI-RS resource for the UE received from the serving cell;', 'configure the UE with a quasi-co-location (QCL) type A and not a QCL type B based on the measurement restriction; and,', 'decode channel state information reference signals (CSI-RS) received from the single transmission point in the configured NZP CSI-RS resource on different downlink (DL) subframes; and,, 'one or more processors configured toa memory interfaced with the one or more processors, wherein the memory is configured to store the CSI-RS.27. The apparatus of claim 26 , wherein the one or more processors are configured to decode the CSI-RS signals received on one or more of antenna ports 7 to 22 which ...

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Номер записи: 161
30-01-2020 дата публикации

DM-RS GROUPING AND CSI REPORTING FOR CoMP

Номер: US20200036555A1
Автор: Davydov Alexei Vladimirovich
Принадлежит:

Described herein is a channel state information (CSI) calculation method for non-coherent joint transmission by using a dependency between CSI reported for each CSI. In one embodiment, configuration of CSI reporting is such that CSI calculated for one CSI process (denoted as the reference CSI process) can be used for interference calculation for another CSI process (denoted as the dependent CSI process). 1. An apparatus for a user equipment (UE) , the apparatus comprising:memory and processing circuitry, wherein the processing circuitry is to:decode a radio resource control (RRC) configuration message from a base station (BS) that configures the UE with first and second channel state information (CSI) processes for reporting CSI based upon CSI reference signals (CSI-RS) transmitted from coordinated multi-point (CoMP) transmission points (TPs);wherein each of the first and second CSI processes has a configuration that includes a CSI process identification (ID), a non-zero power (NZP) CSI-RS resource for channel measurement, and a CSI interference measurement (CSI-IM) resource for interference measurement;wherein the second CSI process configuration further includes the ID of the first CSI process to indicate that the first CSI process is a reference CSI process for the second CSI process;calculate a channel estimate and an interference estimate for the first CSI process, wherein the channel estimate for the first CSI process is based upon measurement of the NZP CSI-RS resource belonging to the first CSI process and the interference estimate for the first CSI process is based upon measurement of the CSI-IM resource belonging to the first CSI process;calculate a channel estimate and an interference estimate for the second CSI process, wherein the channel estimate for the second CSI process is based upon measurement of the NZP CSI-RS resource belonging to the second CSI process and the interference estimate for the second CSI process is based upon measurement of the CSI ...

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Номер записи: 162
30-01-2020 дата публикации

EVOLVED NODE-B AND USER EQUIPMENT AND METHODS FOR OPERATION IN A COVERAGE ENHANCEMENT MODE

Номер: US20200037278A1
Автор: Choi Gi Wan, Davydov Alexei, Fwu Jong-Kae, Han Seunghee, Xiong Gang
Принадлежит:

Embodiments of an eNB to operate in accordance with a coverage enhancement mode are disclosed herein. The eNB may comprise hardware processing circuitry to, during a legacy sub-frame, transmit a system information block (SIB) in legacy SIB frequency resources according to a legacy SIB transmission format and refrain from transmission of channel state information reference signals (CSI-RS). The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first portion of the SIB in first SIB frequency resources included in the legacy SIB frequency resources. The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first set of CSI-RS in first CSI-RS frequency resources that include at least a portion of the legacy SIB frequency resources. 1. (canceled)3. The apparatus of claim 2 , wherein one or more CSI-RSs occupies one or more or the resource elements indicated in the mapping for the PDSCH.4. The apparatus of wherein the information block is a system information block (SIB).5. The apparatus of wherein the information block is a master information block (MIB).6. The apparatus of wherein the processing circuitry is configured to encode the PDSCH for transmission based on all the resource elements indicated by the mapping and refrain from transmitting the PDSCH in the resource elements occupied by a CSI-RS.7. The apparatus of wherein the processing circuitry is configured to count the resource elements occupied by the CS-RSs in the PDSCH mapping but not use the resource elements occupied by the CS-RSs for transmission of the PDSCH.8. The apparatus of wherein the processing circuitry is configured to: determine the mapped resource elements to repeat periodically in sets of frames; andif the UE is configured for enhanced coverage:encode the information block for transmission during an enhanced coverage sub-frame;refrain from transmission of the CSI-RS within resource ...

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Номер записи: 163
30-01-2020 дата публикации

INTERFERENCE COORDINATION FOR NETWORKS SERVING AERIAL VEHICLES

Номер: US20200037397A1
Автор: Davydov Alexei, Han Seunghee, Morozov Gregory, Sergeev Victor, Xue Feng
Принадлежит:

Embodiments of interference coordination for aerial vehicle user equipment (UE) are described. In some embodiments, a base station (BS) is configured to select a subset of time-frequency resources dedicated for use in serving aerial vehicle UEs and communicate with the aerial vehicle UEs via the subset of time-frequency resources. In some embodiments, the BS may transmit signaling to a neighbor BS that indicates the BS has dedicated the subset of time-frequency resources for serving aerial vehicle UEs and the subset of time-frequency resources to be used. The BS may receive an indication from the neighbor BS that a neighbor BS is to dedicate the subset of time-frequency resources to serve aerial vehicle UE, and based on the indication, the BS may reduce transmission activities in the subset of time-frequency resources, including refraining from transmitting or reducing an amount of information or power level of signaling to the aerial vehicle UEs. 1. An apparatus of a Base Station (BS) comprising:memory; andprocessing circuitry configured to:select a first subset of time-frequency resources, the first subset of time-frequency resources dedicated for use in serving aerial vehicle user equipment (UE) by the BS, wherein the BS is configured to communicate with the aerial vehicle UEs via the first subset of time-frequency resources;encode, for transmission to one or more neighbor BSs, signaling indicating that the BS has dedicated the first subset of time-frequency resources for serving aerial vehicle UEs, the signaling to indicate to the one or more neighbor BSs the first subset of time-frequency resources;decode, from signaling received from the one or more neighbor BSs, an indication that at least one neighbor BS is to dedicate a second subset of time-frequency resources to serve aerial vehicle UEs; andbased on the indication, reduce transmission activities in the second subset of time-frequency resources, andwherein the memory is configured to store the indication.2 ...

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Номер записи: 164
12-02-2015 дата публикации

User equipment reallocation between nodes

Номер: US20150043404A1
Автор: Alexei Davydov, JONG-KAE FWU, Vadim Sergeyev
Принадлежит: Intel IP Corp

A technology for a power management module that is operable to reduce power consumption in a communications network. A resource availability of one or more evolved node B (eNode Bs) in the communications network can be determine to receive data traffic of a plurality of user equipment (UEs) in communication with a serving eNode B. A power consumption rate of the communications network can be calculated when the serving eNode B is placed in a power saving mode. The serving eNode B can be switched to a power savings mode when the resource availability of the one or more eNode Bs enables the plurality of UEs to be handed over from the serving eNode B to selected eNode Bs of the one or more eNode Bs.

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Номер записи: 165
24-02-2022 дата публикации

SYSTEMS AND METHODS OF PHASE-TRACKING REFERENCE SIGNAL TRANSMISSION FOR OFDM

Номер: US20220060361A1
Автор: Davydov Alexei, Lee Dae Won, Morozov Gregory, Pawar Sameer, WANG Guotong, Xiong Gang, Zhang Yushu, Zhu Jie
Принадлежит:

Communication in a wireless network using a phase-tracking reference signal (PT-RS) for orthogonal frequency division multiplexing (OFDM) includes determining one or more PT-RS groups of adjacent subcarriers in a resource allocation for a physical uplink shared channel (PUSCH) or a physical downlink shared channel (PDSCH), encoding data to be transmitted by the PUSCH or the PDSCH in data subcarriers within the resource allocation for the PUSCH or the PDSCH, and encoding phase-tracking reference signals within the one or more PT-RS groups of adjacent subcarriers. 1. An apparatus for communicating a phase-tracking reference signal (PT-RS) for orthogonal frequency division multiplexing (OFDM) in a wireless communication system , the apparatus comprising:a processor; and determine one or more PT-RS groups of adjacent subcarriers in a resource allocation for a physical uplink shared channel (PUSCH) or a physical downlink shared channel (PDSCH);', 'encode data to be transmitted by the PUSCH or the PDSCH in data subcarriers within the resource allocation for the PUSCH or the PDSCH; and', 'encode phase-tracking reference signals within the one or more PT-RS groups of adjacent subcarriers., 'a memory storing instructions that, when executed by the processor, configure the apparatus to2. The apparatus of claim 1 , wherein the apparatus is configured for a user equipment (UE) or a base station claim 1 , and wherein the one or more PT-RS groups of adjacent subcarriers comprise at least two PT-RS groups separated from one another by one or more of the data subcarriers.3. The apparatus of claim 1 , wherein the instructions further configure the apparatus to configure a guard subcarrier within the one or more PT-RS groups of adjacent subcarriers to protect from inter-carrier interference created by the PUSCH or the PDSCH.4. The apparatus of claim 3 , wherein the instructions further configure the apparatus to configure the guard subcarrier with zero power at a boundary of the one ...

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Номер записи: 166
07-02-2019 дата публикации

APPARATUS AND METHOD FOR RSRP MEASUREMENT AND ALLOCATION OF DOWNLINK TRANSMISSION RESOURCES

Номер: US20190044631A1
Автор: Chatterjee Debdeep, Davydov Alexei, Han Seunghee, KWAK Yongjun, Lee Dae Won, Morozov Gregory
Принадлежит:

Embodiments of the present disclosure describe apparatuses, methods and machine-readable storage medium for Reference Signal Received Power (RSRP) measurement and allocation of Downlink (DL) transmission resources. 1. An apparatus for User Equipment (UE) , comprising:a memory interface configured to receive a predetermined Reference Signal Received Power (RSRP) threshold from a memory; and initiate a measurement procedure to measure a RSRP value for each of one or more candidate channels between the UE and an Access Node (AN), wherein each candidate channel corresponds to a respective Receive (RX) beam from the UE;', 'compare the RSRP value measured for a candidate channel of the one or more candidate channels with the predetermined RSRP threshold; and', 'terminate the measurement procedure and encode the RSRP value measured for the candidate channel to be reported from the UE to the AN, when the RSRP value measured for the candidate channel is higher than the predetermined RSRP threshold., 'a processor coupled with the memory interface and configured to2. The apparatus of claim 1 , wherein when no predetermined RSRP threshold is available to the UE or no RSRP value is higher than the predetermined RSRP threshold claim 1 , the processor is further configured to:measure RSRP values for all candidate channels between the UE and the AN and encode a highest RSRP value among the measured RSRP values, wherein the encoded highest RSRP value is reported from the UE to the AN.3. The apparatus of claim 1 , wherein the predetermined RSRP threshold is signaled to the UE from the AN claim 1 , or predefined to be known by the UE.4. The apparatus of claim 1 , wherein the processor is further configured to:determine a reference RSRP value for the measurement procedure; andobtain the predetermined RSRP threshold by subtracting a predefined RSRP margin threshold from the reference RSRP value.5. The apparatus of claim 4 , wherein when there are no any previous RSRP measurements on the ...

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Номер записи: 167
07-02-2019 дата публикации

SCRAMBLING SEQUENCE INITIAL SEED CONFIGURATION FOR REFERENCE SIGNALS, DATA, AND CONTROL CHANNEL FOR NEW RADIO

Номер: US20190044669A1
Автор: Chatterjee Debdeep, Davydov Alexei, Dikarev Dmitry, He Hong, Lee Daewon, Morozov Gregory, Pawar Sameer, Sergeev Victor, Xiong Gang, Zhang Yushu
Принадлежит: Intel IP Corporation

A scrambling sequence generation method is disclosed for reference signals, data, and downlink and uplink control channels. The scrambling sequence generation method determines an initial seed value used to calculate the scrambling sequence. The initial seed value is based on different parameters relating to the to be transmitted signals, and some of these parameters are explicitly defined for New Radio. 1. An apparatus of a New Radio node B (gNB) , comprising:a radio frequency (RF) interface; and generate a scrambling sequence of a signal based on an initial seed value, wherein the initial seed value is based on a time domain instance of the signal;', 'modulate the generated scrambling sequence;', 'map the modulated scrambling sequence to time-frequency resources; and', 'send the time-frequency resources to the RF interface for transmitting to a User Equipment (UE)., 'baseband circuitry, including one or more processors configured to2. The apparatus of the gNB of claim 1 , wherein the time domain instance comprises an Orthogonal Frequency Division Multiplexing (OFDM) symbol number within a slot.3. The apparatus of the gNB of claim 2 , wherein the initial seed value is further calculated claim 2 , by the one or more baseband processors claim 2 , using a slot index parameter.4. The apparatus of the gNB of claim 1 , wherein the initial seed value is further calculated claim 1 , by the one or more baseband processors claim 1 , using a subcarrier spacing parameter.5. The apparatus of the gNB of claim 1 , wherein the initial seed value is further calculated claim 1 , by the one or more baseband processors claim 1 , using a cyclic prefix parameter.6. The apparatus of the gNB of claim 1 , wherein the scrambling sequence comprises a reference signal.7. The apparatus of the gNB of claim 3 , wherein the reference signal comprises a demodulation reference signal (DM-RS).8. The apparatus of the gNB of claim 7 , wherein the initial seed value is further calculated claim 7 , by ...

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Номер записи: 168
07-02-2019 дата публикации

INITIALIZATION OF PSEUDO NOISE SEQUENCES FOR REFERENCE SIGNALS AND DATA SCRAMBLING

Номер: US20190044761A1
Автор: Davydov Alexei, Han Seunghee, KWAK Yongjun, Lee Dae Won, Morozov Gregory, Pawar Sameer, Sengupta Avik
Принадлежит:

Embodiments of the present disclosure describe apparatuses, systems, and methods for initialization of pseudo noise (PN) sequences for reference signals and data scrambling. Some embodiments may be to initialize the first M-sequence of the PN sequence with a fixed value; and initialize the second M-sequence of the PN sequence with a compressed value. Some embodiments may be to initialize the first M-sequence of the PN sequence with a fixed value; initialize the second M-sequence of the PN sequence with a part of the initialization parameters; and shift the PN sequence by another part of the initialization parameters. Some embodiments may be to initialize the first M-sequence of the PN sequence with a part of the initialization parameters; and initialize the second M-sequence of the PN sequence with another part of the initialization parameters. The embodiments may lead to a more efficient hardware design. 1. An apparatus configured to initialize a pseudo noise (PN) sequence to be used in a New Radio (NR) system , comprising: generate, based on two distinct primitive polynomials, the PN sequence, wherein the PN sequence is defined by a first maximum length sequence (M-sequence) and a second M-sequence;', 'obtain a final initialization value at least based on initialization parameters, wherein the final initialization value has a length smaller than or equal to that for initializing a corresponding PN sequence to be used in a Long-Term Evolution (LTE) system; and', 'initialize the PN sequence based on the final initialization value; and, 'processing circuitry tointerface circuitry, coupled with the processing circuitry, to receive the two distinct primitive polynomials and the initialization parameters from a memory.2. The apparatus of claim 1 , wherein the processing circuitry is configured to transform an original initialization value into a compressed value claim 1 , wherein the original initialization value is derived based on the initialization parameters and has ...

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Номер записи: 169
07-02-2019 дата публикации

CONFIGURATION SCHEMES FOR SECONDARY CELL, BANDWIDTH PART AND PHYSICAL RESOURCE BLOCK INDEXING

Номер: US20190044811A1
Автор: Chatterjee Debdeep, CHO Joonyoung, Davydov Alexei, He Hong, Jeon Jeongho, Lee Daewon, MIAO Honglei, Xiong Gang
Принадлежит:

The disclosure describes configuration schemes for secondary cell (SCell), bandwidth part (BWP) and physical resource block (PRB) indexing. An apparatus of user equipment (UE) for BWP activation and deactivation operation is disclosed. The apparatus includes baseband circuitry that includes a radio frequency (RF) interface, and one or more processors. The one or more processors are to receive radio resource control (RRC) data via the RF interface, configure a timer for a BWP according to the RRC data, and trigger the timer for the BWP in response to detection of an event associated with an access node after the BWP has been activated. 1. An apparatus of user equipment (UE) for bandwidth part (BWP) activation and deactivation operation , the apparatus comprising baseband circuitry that includes:a radio frequency (RF) interface; and receive radio resource control (RRC) data via the RF interface;', 'configure a timer for a BWP according to the RRC data; and', 'trigger the timer for the BWP in response to detection of an event associated with an access node after the BWP has been activated., 'one or more processors to2. The apparatus as claimed in claim 1 , wherein the one or more processors of the baseband circuitry are to configure an expiration time of the timer for the BWP as a BWP configuration parameter of the BWP.3. The apparatus as claimed in claim 1 , wherein the one or more processors of the baseband circuitry are to:in response to receipt of a timer-start command from the RF interface, generate a confirmation of the timer-start command, send the confirmation to the RF interface, and trigger the timer.4. The apparatus as claimed in claim 3 , wherein the one or more processors of the baseband circuitry are to deactivate the BWP when it is determined that there is no data transmission in the BWP before the timer expires.5. The apparatus as claimed in claim 1 , wherein the one or more processors of the baseband circuitry are to trigger the timer for the BWP in ...

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Номер записи: 170
18-02-2021 дата публикации

Generation Node-B (GNB), User Equipment (UE) and Methods for Interleaving in Multiple-Input Multiple-Output (MIMO) Arrangements

Номер: US20210050887A1
Автор: Ajit Nimbalker, Alexei Davydov, Dae Won Lee, Dmitry DIKAREV, Paul C. Wei, SEUNGHEE HAN
Принадлежит: Apple Inc

Embodiments of a Generation Node-B (gNB), User Equipment (UE) and methods for communication are generally described herein. The gNB may map data symbols to resource elements (REs) of virtual resource blocks (VRBs). The gNB may interleave the data symbols, on a per-VRB basis, to spatial layers of a multi-layer multiple-input multiple-output (MIMO) transmission. The data symbols may be interleaved based on different interleave patterns of VRB indexes for the spatial layers. The gNB may map the interleaved data symbols of the spatial layers to REs of physical resource blocks (PRBs) for orthogonal frequency division multiplexing (OFDM) transmission.

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Номер записи: 171
07-02-2019 дата публикации

POWER BOOSTING AND TRANSPORT BLOCK SIZE (TBS) DESIGN IN A NEW RADIO (NR) SYSTEM

Номер: US20190045390A1
Автор: Chatterjee Debdeep, Davydov Alexei, Hamidi-Sepehr Fatemeh, Han Seung Hee, He Hong, KWAK Yongjun, Lee Dae Won, Morozov Gregory V., Nimbalker Ajit
Принадлежит:

Technology for a user equipment (UE) operable to determine a transport block size (TBS) is disclosed. The UE can determine a number of assigned resource elements (REs) in one or more symbols for a transport block. The UE can determine a reference number of REs per physical resource block (PRB) in the transport block based on a reference number of REs for the transport block corresponding to each PRB and an assigned number of PRBs for the transport block. The UE can determine a TBS for the transport block based at least on the reference number of REs per PRB in the transport block. The UE can encode information in a selected transport block for transmission via a physical uplink shared channel (PUSCH) to a Next Generation NodeB (gNB) in accordance with the TBS determined at the UE. 1. An apparatus of a user equipment (UE) operable to determine a transport block size (TBS) , the apparatus comprising:one or more processors configured to:determine, at the UE, a number of assigned resource elements (REs) in one or more symbols for a transport block;determine, at the UE, a reference number of REs per physical resource block (PRB) in the transport block based on a reference number of REs for the transport block corresponding to each PRB and an assigned number of PRBs for the transport block;determine, at the UE, a TBS for the transport block based at least on the reference number of REs per PRB in the transport block, a scheduled modulation order, an intended code rate and a number of layers mapped to the TBS;encode, at the UE, information in a selected transport block for transmission via a physical uplink shared channel (PUSCH) to a Next Generation NodeB (gNB) in accordance with the TBS determined at the UE; anddecode, at the UE, information in a selected transport block received from the gNB via a physical downlink shared channel (PDSCH) in accordance with the TBS determined at the UE; anda memory interface configured to send to a memory an indication of the TBS.2. The ...

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Номер записи: 172
07-02-2019 дата публикации

DOWNLINK CONTROL CHANNEL DESIGN IN NEW RADIO SYSTEMS

Номер: US20190045490A1
Автор: Chatterjee Debdeep, Davydov Alexei, He Hong, Kwon Hwan-Joon, Xiong Gang
Принадлежит:

An apparatus configured to be employed in a gNodeB associated with a new radio (NR) communication system that support resource sharing between NR physical downlink shared channel (PDSCH) and NR physical downlink control channel (PDCCH) is disclosed. The apparatus comprises a processing circuit configured to generate a PDSCH dynamic rate matching resource set configuration signal comprising information on one or more overlap resource sets, wherein each the one or more overlap resource sets comprises time-frequency resources on which any overlapping PDSCH may or may not be mapped, based on an indication provided within a PDSCH rate matching indicator signal. The apparatus further comprises a radio frequency (RF) interface, configured to provide the generated PDSCH dynamic rate matching resource set configuration signal, to an RF circuitry, in order to subsequently provide the PDSCH dynamic rate matching resource set configuration signal to a user equipment (UE), in order to enable the UE to identify the one or more overlap resource sets. 1. An apparatus configured to be employed in a next generation Node B (gNodeB) associated with a new radio (NR) communication system , comprising:a processing circuit configured to generate a physical downlink shared channel (PDSCH) dynamic rate matching resource set configuration signal comprising information on one or more overlap resource sets, wherein each of the one or more overlap resource sets comprises time-frequency resources on which any overlapping PDSCH may or may not be mapped, based on an indication provided within a PDSCH rate matching indicator signal; anda radio frequency (RF) interface, configured to provide the generated PDSCH dynamic rate matching resource set configuration signal, to an RF circuitry, in order to subsequently provide the PDSCH dynamic rate matching resource set configuration signal to a user equipment (UE), in order to enable the UE to identify the one or more overlap resource sets.2. The apparatus ...

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Номер записи: 173
08-05-2014 дата публикации

APPARATUS, SYSTEM AND METHOD OF BEAM SELECTION FOR BEAMFORMED DIVERSITY WIRELESS COMMUNICATION

Номер: US20140126620A1
Автор: Cordeiro Carlos, Davydov Alexei Vladimirovich, Maltsev Alexander Alexandrovich, Pudeyev Andrey, Sadri Ali S., Sergeyev Vadim S.
Принадлежит:

Some demonstrative embodiments include devices, systems and/or methods of beam selection for beamformed communication. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams for communicating a beamformed diversity wireless transmission over a plurality of selected directional links, which are selected based on at least one predefined selection metric. 1. An apparatus comprising:a controller to control a plurality of antenna subarrays to form a plurality of directional beams for communicating a beamformed diversity wireless transmission over a plurality of selected directional links, which are selected based on at least one predefined selection metric.2. The apparatus of claim 1 , wherein said selection metric comprises a channel capacity metric.3. The apparatus of claim 1 , wherein said selection metric is based on differences in angles of arrival claim 1 , differences in angles of departure claim 1 , or a combination thereof.4. The apparatus of claim 1 , wherein said controller is to determine the selection metric with respect to a directional link based on a channel matrix corresponding to the link and a number of transmit antenna subarrays.5. The apparatus of claim 1 , wherein said controller is to determine the selection metric with respect to a directional link based on a combination of a plurality of Signal-to-Interference-plus-noise-ratio (SINR) values corresponding to a plurality of received streams of said directional link.6. The apparatus of claim 5 , wherein said controller is to determine an SINR value of said SINR values based on an effective channel after performing Space-Block-Code processing.7. The apparatus of claim 1 , wherein said controller is to communicate a channel measurement feedback element including an identifier of an antenna subarray claim 1 , and one or more measurements corresponding to said antenna subarray.8. The apparatus of claim 7 , wherein said ...

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Номер записи: 174
15-02-2018 дата публикации

APPARATUSES, SYSTEMS, AND METHODS FOR MEASURING QUALITY OF CELL DISCOVERY SIGNAL

Номер: US20180049114A1
Автор: Davydov Alexei, Han Seunghee
Принадлежит:

Embodiments of the present disclosure are directed towards devices and methods for discovering and waking up dormant access nodes in cellular networks. In one embodiment, the user equipment may be configured with information to assist in determining a discovery zone of discovery signals transmitted by cells in a network. In some embodiments, the information may include a duration of a discovery zone. 1. One or more non-transitory , computer-readable media having instructions that , when executed , cause a user equipment to:process configuration information, received from an Evolved Universal Terrestrial Radio Access Network (EUTRAN), the configuration information to include information about a duration of a discovery zone in which an off-state cell of the EUTRAN may transmit a discovery signal;measure received signal strength indicator (RSSI) over all orthogonal frequency division multiplexing (OFDM) symbols within the discovery zone that can be transmitted for a discovery signal; andtransmit feedback to an access node of the EUTRAN based on the measured RSSI.2. The one or more non-transitory claim 1 , computer-readable media of claim 1 , wherein the configuration information further includes an indication of a discovery signal measurement timing configuration (DMTC).3. The one or more non-transitory claim 2 , computer-readable media of claim 2 , wherein the DMTC comprises a periodicity and offset.4. The one or more non-transitory claim 1 , computer-readable media of claim 1 , wherein the discovery zone comprises one or more subframes.5. The one or more non-transitory claim 1 , computer-readable media of claim 1 , wherein the instructions claim 1 , when executed claim 1 , further cause the user equipment to:generate a reference signal received quality (RSRQ) based on the RSSI.6. The one or more non-transitory claim 5 , computer-readable media of claim 5 , wherein the instructions claim 5 , when executed claim 5 , further cause the user equipment to:determine a ...

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Номер записи: 175
03-03-2022 дата публикации

System and Method for Beam Management Procedure Configuration

Номер: US20220069882A1
Автор: Alexei Davydov, Guotong Wang, Huaning Niu, Wook Bong Lee, Yushu Zhang
Принадлежит: Apple Inc

Systems and methods of beam reporting for multiple DL processes are described. A UE receives a beam management processes configuration that provides information about beam management reference signals for beam management procedures. The UE transmits a UE capability report that indicates beam management capabilities of the UE and, later, an indication of whether the UE intends to engage in beam refinement. The UE measures the beam management reference signals and receives a beam reporting message that indicates at least one of the beam management procedures to report. In response, the UE transmits the beam report. The beam report contains beam management reference signal measurements of the beam management procedures indicated by the beam reporting message.

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Номер записи: 176
03-03-2022 дата публикации

SYSTEMS AND METHODS FOR CONTROL SIGNALING OF UPLINK TRANSMISSION FOR MULTIPLE ANTENNA PANELS

Номер: US20220070855A1
Автор: Davydov Alexei, Mondal Bishwarup, WANG Guotong, Xiong Gang, Zhang Yushu
Принадлежит:

Systems, apparatuses, methods, and computer-readable media are provided for use in a wireless network for control signaling of uplink transmission for multiple antenna panels.

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Номер записи: 177
03-03-2022 дата публикации

User Equipment (UE), Generation Node-B (GNB) and Methods for Signaling of Control Information for Pre-Coding

Номер: US20220070974A1
Автор: Davydov Alexei, Han Seunghee, Lee Dae Won, Lee Wook Bong, Zhang Yushu
Принадлежит:

Embodiments of a User Equipment (UE), a generation Node-B (gNB) and methods for communication are generally described herein. The UE may the UE may receive from a gNB, control signaling that indicates: a first pre-coding matrix indicator (PMI) that indicates a first pre-coder for a first sub-band; and a second PMI that indicates a second pre-coder for a second sub-band. The first and second pre-coders may be included in predetermined candidate pre-coders. The UE may encode a physical uplink shared channel (PUSCH) block for transmission. The UE may scale the PUSCH block in the first sub-band by the first pre-coder. The UE may scale the PUSCH block in the second sub-band by the second pre-coder. 1. (canceled)222.-. (canceled)23. An apparatus , comprising:a memory; and generate an indication of a channel state information reference signal (CSI-RS) index of a CSI-RS resource of a plurality of CSI-RS resources in an uplink grant as part of a non-codebook based precoding method, wherein the CSI-RS index is used in a non-codebook based uplink precoding operation associated with the uplink grant; and', 'receive an uplink transmission associated with the uplink grant based on the CSI-RS index., 'at least one processor in communication with the memory and configured to24. The apparatus of claim 23 ,wherein the non-codebook based uplink precoding operation includes using CSI-RS resources associated with the CSI-RS index to calculate uplink precodings.25. The apparatus of claim 23 , 'transmit using the plurality of CSI-RS resources, wherein respective CSI-RS resources are associated with respective beams at a base station.', 'wherein the at least one processor is further configured to26. The apparatus of claim 23 ,wherein the uplink grant indicates an index associated with the apparatus for transmission of the uplink transmission.27. The apparatus of claim 23 ,wherein the uplink grant indicates a carrier index for transmission of the uplink transmission.28. The apparatus of ...

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Номер записи: 178
14-02-2019 дата публикации

TECHNIQUES IN NEW RADIO (NR) USER EQUIPMENT (UE) DEMODULATION OVER THE AIR (OTA) TESTS

Номер: US20190052376A1
Автор: Chervyakov Andrey, Davydov Alexei, Ioffe Anatoliy, Tang Yang
Принадлежит:

Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for UE baseband-demodulation-performance tests in new radio (NR). An over-the-air (OTA) test environment with optimized signaling over the test interface by enabling feedback in the test system may achieve adequate baseband emulation of multipath utilizing NR reference signals. Various embodiments describe how to realize a test loop initialization and achieve better test certainty and controllability over OTA tests. 1. One or more non-transitory computer-readable media comprising instructions to , upon execution of the instructions by one or more processors of a user equipment (UE) , cause the UE to:receive a request from a test equipment (TE) via a test interface (TI);measure, based on at least one reference signal received from at least one measurement antenna of the TE, one or more reference signal received powers (RSRPs) that respectively correspond to one or more receiver branches of the UE; andtransmit a message to the TE to report the measured one or more RSRPs.2. The one or more non-transitory computer-readable media of claim 1 , wherein the request is to request the UE to perform a receive measurement or initialize a test loop.3. The one or more non-transitory computer-readable media of claim 1 , wherein the TE is associated with a link antenna via the TI.4. The one or more non-transitory computer-readable media of claim 1 , wherein the request is to request precoding information from the UE claim 1 , the precoding information to enable the TE to precode transmit (TX) reference signals for test cases.5. The one or more non-transitory computer-readable media of claim 1 , wherein the at least one reference signal is at least one synchronization signal (SS) and the measurement of the one or more RSRPs is to measure one or more SS-RSRPs that respectively correspond to the one or more receiver branches to obtain SS-RSRP per receiver branch (SS-RSRPB) of the UE.6. The ...

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Номер записи: 179
22-02-2018 дата публикации

PERIODIC CHANNEL STATUS INFORMATION (CSI) REPORTING FOR ENHANCED INTERFERENCE MANAGEMENT AND TRAFFIC ADAPTATION (EIMTA) SYSTEMS WITH CSI SUBFRAME SETS

Номер: US20180054752A1
Автор: Davydov Alexei, Han Seunghee, Khoryaev Alexey, Panteleev Sergey
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Wireless device, method, and computer readable media are disclosed for determining which channel status information (CSI) report of a user equipment (UE) to drop from a physical uplink control channel (PUCCH) packet. The method may include determining that a first CSI report and a second CSI report are to be sent in the PUCCH, where the first CSI report has a first reporting type and a first CSI sub-frame set, and the second CSI report has a second reporting type and a second CSI sub-frame set. The method may include determining to drop the first CSI report if the first CSI sub-frame set has a second lower priority than the second CSI sub-frame set. The determination to drop may be further based on a CSI processor index, serving cell index, and the CSI report priority. 1. An apparatus of a wireless communication device comprising:memory; and configure the wireless communication device to:', 'send a feedback including at least a first channel status information (CSI) report and a second CSI report in a physical uplink control channel (PUCCH), wherein the first CST report has a first reporting type, a first CSI sub-frame set, and a first CSI process index, and the second CSI report has a second reporting type, a second CSI sub-frame set, and a second process index; and', 'drop the first CSI report if the second CSI sub-frame set has a higher priority than the first CSI sub-frame set and if the first reporting type and the second reporting type have a same priority, and if the first CSI process index and the second CSI process index have a same priority, wherein the memory is configured to store the first CSI report and the second CSI report., 'a processing circuitry, the processing circuitry to32. The apparatus of claim , wherein the processing circuitry is further configured to:drop the first CSI report if the second CSI sub-frame set has a higher priority than the first CSI sub-frame set if the first reporting type and the second reporting type have a same priority, ...

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Номер записи: 180
13-02-2020 дата публикации

SYSTEM AND METHOD FOR PHASE NOISE COMPENSATION

Номер: US20200052740A1
Автор: Davydov Alexei, Lee Wook Bong, Xiong Gang, Zhang Yushu, Zheng Xinyue
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An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to arrange phase tracking reference signal (PT-RS) resource elements (REs) and data REs as an arrangement for a transmission based on one or more diversity factors. The one or more diversity factors include a time domain and a frequency domain. The one or more processors are also configured to provide the transmission having the PT-RS REs to the RF interface for transmission to a user equipment (UE) device. 131-. (canceled)32. An apparatus for a base station , comprising baseband circuitry having:a radio frequency (RF) interface; and arrange phase tracking reference signal (PT-RS) resource elements (REs) and data REs as an arrangement for a transmission based on one or more diversity factors, wherein the one or more diversity factors include a time domain and a frequency domain; and', 'provide the transmission having the PT-RS REs to the RF interface for transmission to a user equipment (UE) device., 'one or more processors configured to33. The apparatus of claim 32 , wherein the one or more diversity factors further include one or more of symbols claim 32 , subcarriers claim 32 , transmitter antenna ports (APs) claim 32 , demodulation reference signal (DMRS) APs claim 32 , pairing claim 32 , and precoders.34. The apparatus of claim 32 , wherein the one or more processors are further configured to multiplex the PT-RS REs and the data REs using one of time division multiplexing (TDM) or frequency division multiplexing (FDM).35. The apparatus of claim 32 , wherein the transmission is a cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM) waveform or a discrete Fourier transform spreading orthogonal frequency division multiplexing (DFT-s-OFDM) waveform.36. The apparatus of claim 32 , wherein the one or more processors are further ...

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Номер записи: 181