A CONGESTION CONTROL MODEL USING DYNAMIC BANDWIDTH ADJUSTMENT IN SECTORED WIRELESS SENSOR NETWORKS

A CONGESTION CONTROL MODEL USING DYNAMIC BANDWIDTH ADJUSTMENT IN SECTORED WIRELESS SENSOR NETWORKS The present invention relates toa congestion control model using dynamic bandwidth adjustment in sectored wireless sensor networks.The object of the present invention is to provide an improved Quality of Services (QoS) using dynamic congestion control adaptive configuration in wireless sensor networks to reduce higher energy utilization by sensor nodes. In the present invention the nodes are randomly deploying in the network. There are sectors formed according to the equal number of sector heads. There is one sink node which collects data from sector heads. Bandwidth adjusting and congestion inthe network will reduced mainly at sink nearest nodes. Controlled congestion in sectored network enhances the packet delivery ratio, throughput and reduces latency and energy consumption. Following invention is described in detail with the help of Figure 1 of sheet 1 illustrates architecture of dynamic ...

빔포밍 트레이닝을 위한 상호성 검출 및 활용 기술

... 빔포밍 트레이닝을 위한 상호성 검출 및 활용 기술이 설명된다. 일 실시예에서, 예를 들어, 장치는 적어도 일부가 하드웨어인 로직을 포함하는 스테이션(STA)을 포함할 수 있는데, 상기 로직은, 개시자 송신 섹터 스윕(TXSS)을 수행하여 개시자 송신(TX) 섹터를 선택하고, 상기 선택된 개시자 TX 섹터를 사용하여 빔포밍 상호성 테스트를 수행하고, 상기 빔포밍 상호성 테스트의 결과에 기초하여 상기 개시자 TX 섹터에 대한 상호적 개시자 수신(RX) 섹터를 사용하는 방향성 수신을 수행할지 여부를 판정한다. 상이한 실시예들은 설명되고 청구된다.

METHOD AND SYSTEM FOR MULTIPLE-HOP RELAYED DIRECTIONAL WIRELESS COMMUNICATION

Multiple-hop relayed directional beam formed wireless communication (mm-wave mesh network) method and apparatus which takes place at the PHY layer. Network capability is enhanced by improving routing protocols between neighboring STAs when communicating from an originating STA, through intermediate STAs, to a destination STA. The routing takes into consideration antenna sector selection to limit interference with neighboring STAs, and channel time utilization to increase throughput. Link metrics and channel times are established for optimizing routing and the determination of intermediate stations between an originating STA and a destination STA. The apparatus and method balances both end-end path link quality and interference impact.

COHERENCE DIVERSITY IN FREQUENCY AND TIME

Various examples are provided for coherence diversity. In one example, a method includes receiving a product signal transmitted over a plurality of subcarriers, the product signal including a product superposition of a first baseband signal and a second baseband signal; estimating equivalent channel responses for the plurality of subcarriers based upon the pilot symbol in the number of time slots of the plurality of subcarriers; and decoding the second encoded message based at least in part upon the first baseband signal and the equivalent channel responses. The first baseband signal can include a pilot symbol in a number of time slots of at least a portion of the plurality of subcarriers and a first encoded message in a remaining number of time slots of the plurality of subcarriers, and the second baseband signal can include a second encoded message.

Data transmission apparatus and method using polarized antenna in wireless AV system

The present disclosure relates to a data transmission apparatus and method using a polarized antenna in a wireless AV system, and a data reception apparatus and method. The present specification provides a method for performing polarization alignment for a downlink on the basis of reciprocity, a method for performing polarization alignment for an uplink, and a method for performing polarization alignment independently for each DMG antenna when one data transmission apparatus or one data reception apparatus uses multiple DMG antennas. Optimal MIMO performance can be guaranteed by aligning polarization between multiple antennas of the data transmission apparatus and the data reception apparatus in the wireless AV system, the polarization alignment for a downlink or an uplink may be selectively performed on the basis of reciprocity, and polarization distortion can be reduced through the independent polarization alignment between each DMG antenna.

PRIORITY-BASED MU-MIMO PAIRING THRESHOLD FOR CODEBOOK BEAMFORMING IN 5G NR MASSIVE MIMO SYSTEMS

Methods, media, and systems are provided for a priority-based multi-user (MU) multiple-input multiple-output (MIMO) pairing threshold for codebook beamforming. The methods, media, and systems identify a plurality of user device candidates for a user device pairing. A first user device of the plurality of user device candidates having a higher priority than another user device of the plurality of user device candidates is identified. Correlations between one or more beams associated with one or more of the plurality of user device candidates are determined. Based on determining the correlations, user devices can be paired for resource sharing. In some embodiments, the user devices are paired based on beam correlations being below a threshold. For example, the threshold can be determined based on a priority of one or more of the user devices.

Methods and apparatus for multi-destination wireless transmissions

Methods and apparatus for multi-destination wireless transmissions as disclosed. An example multi-destination transmitter includes a direction determiner to determine directions for wireless transmission of data to destination devices and a transmission handler to: select a subset of the destination devices that are associated with different ones of a plurality of antennas as indicated by the directions determined by the direction determiner; and transmit the data to the subset of the destination devices via the plurality of antennas.

METHOD AND APPARATUS FOR SUPPORTING SECTORIZATION COORDINATION

A method and apparatus may be used to support coordinated and cooperative sectorized transmissions. Power control and clear channel assessment for sectorized transmissions may be used, along with sectorized beacon and associated procedures. Transmissions in a network may be protected by a first access point (AP) sending an omni-directional transmission and a beamformed or sectorized transmission to a station (STA), an overlapping basic service set (OBSS) confirming a spatially orthogonal (SO) condition based on the omni-directional transmission, and a second AP monitoring the omni-directional transmission and confirming the SO condition. The STA may be configured to receive a request-to-send (RTS) frame indicating data is available for transmission, and transmit a cooperative sectorized (CS) clear-to-send (CTS) frame indicating an ability for multiple AP reception.

DEVICE FOR LOCATING MOBILE DEVICES

The present invention concerns a device (100) for locating mobile devices (200), comprising a base body (10) comprising a plurality of interfaces (1), each adapted for receiving a wireless signal transceiver (20), shielding means (30) arranged between the interfaces (1) for limiting a detection area of the wireless signal transceivers (20), and a processor (3) configured for determining a signal strength of signals received from a mobile device (200) at each of the wireless signal transceivers (20), and for determining a location of the mobile device (200) based on the determined signal strengths.

Method and apparatus to mitigate pilot power contamination in large scalable antenna systems

Base station antenna rotation in wireless communication networks

A base station 610 for a wireless communication network 100, fig 1A comprising an antenna 620 having a radiation pattern comprising one or more sectors (111, 112, 113; fig 1A); the antenna having a controller 630 to rotate at least one of the one or more sectors in an azimuthal plane. The antenna may be split into more than one sectors; the first sector may be oriented in a first direction 611 during a first time period and oriented between the first and second directions 612 during another time period. The number of sectors may be spaced apart equally and the controller may rotate the sectors by a discrete rotation angle equal to half their angular separation. The base station may perform handover for a user if a sector is not present and scheduling if a sector is present. The sectors may be elevated.

PROCEDURE AND DEVICE FOR THE RADIO RELAY LINK TRANSMISSION

A receiver

WIFI SYSTEM INCLUDING A PLURALITY OF STATIONS FOR TRANSMITTING/RECEIVING

EFFECTIVE COLLISION RESOLUTION IN ENHANCED SECTOR LEVEL SWEEP BEAMFORMING

This disclosure describes systems, methods, and devices related to effective collision resolution in enhanced sector-level sweep (SLS) beamforming. A device may determine a beacon frame of one or more beacon frames to be sent to one or more station devices during a first beamforming interval of one or more beamforming training intervals, wherein the beacon frame is associated with a first sector of one or more sectors of an antenna. The device may identify a sector frame received from a first station device of the one or more station devices at a first space time slot of one or more space time slots associated with the first sector. The device may determine to adjust a number of space time slots during a second beamforming interval for beamforming training based on the sector frame.

User terminal and radio communication method

In order to control communication operations properly in a secondary cell even when a beam failure and/or a BR failure occur in the secondary cell, a user terminal, according to one aspect of the present disclosure, has a control section that controls adjustment of a deactivation timer for a certain secondary cell and/or indication of a beam failure and/or a beam recovery (BR) failure in the certain secondary cell, based on the beam failure and/or a result of BR in the certain secondary cell, and a transmission section that transmits information about the beam failure and/or the BR failure in the certain secondary cell by using another cell.

METHOD FOR SIGNAL TRANSMISSION BETWEEN A MOBILE AND A STATIONARY RADIO TRANSMISSION/RECEPTION MEANS OF A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE IMPLEMENTATION OF THISMETHOD

The radio area to be covered by the stationary radio transmission/reception means, for example of the base station of a cordless telephone, is illuminated by two or more directional antennas (3, 4) respectively covering a radio sub-area thereof, whereby that respective directional antenna in whose radio sub-area the mobile radio transmission/reception means, i.e., for example, the mobile part of the cordless telephone, is located is activated (antenna diversity). The invention can be advantageously utilized in cordless telephones.

Multi-sector-based WLAN base station signal receiving and transmitting method

BEAMFORMING AND LINK ESTABLISHMENT FOR TIME DIVISION DUPLEX NETWORKS

This disclosure describes systems, methods, and devices related to beamforming and link establishment. A device may determine a time division duplex (TDD) sector sweep frame comprising beamforming information. The device may determine a first antenna transmit sector of one or more antenna transmit sectors of the initiator corresponds to one or more TDD slots. The device may cause to send a first series of the TDD sector sweep frame to a responder device during a first number of TDD slots corresponding to the first antenna transmit sector. The device may cause to send a second series of the TDD sector sweep frame to the responder device during a second number of TDD slots of the first antenna transmit sector. The device may identify beamforming feedback information, from the responder device, the beamforming feedback information based on the first series of the TDD sector sweep frame and the second series of the TDD sector sweep frame.

APPARATUS, SYSTEM AND METHOD OF COMMUNICATING A SHORT SECTOR SWEEP (SSW) PACKET

Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a short Sector Sweep (SSW) packet. For example, an apparatus may include circuitry and logic configured to cause a first wireless station to generate a short Sector Sweep (SSW) packet including at least a packet type field, a countdown field, a short SSW feedback field, and a direction field, the packet type field including a value to indicate a Short SSW packet type, the countdown field including a counter value to indicate a number of remaining short SSW packet transmissions, the direction field to indicate whether transmission of the short SSW packet is from a beamforming initiator or a beamforming responder; and to transmit the short SSW packet to a second wireless station over a directional frequency band during beamforming training between the first and second wireless stations.

WIDEBAND SECTOR SWEEP USING WIDEBAND TRAINING (TRN) FIELD

Certain aspects of the present disclosure generally relate to beamforming training. For example, certain aspects of the present disclosure provide an apparatus for wireless communications. The apparatus generally includes a processing system configured to generate a plurality of transmit sector sweep frames for transmission on a set of channels. In certain aspects, each of the transmit sector sweep frames comprise a preamble portion to be output for transmission on the set of channels, and a wideband training field to be output for transmission on a bandwidth spanning the set of channels. In certain aspects, the apparatus also includes an interface configured to output the transmit sector sweep frames for transmission on the set of channels using different transmit beamforming sectors.

Portable electronic device for facilitating a proximity based interaction with a short range communication enabled object

Disclosed herein is a portable electronic device for facilitating a proximity based interaction with a short range communication enabled object. Further, the portable electronic device may include a transceiver configured for transmitting a transmitted short range communication signal and receiving a received short range communication signal. Further, the portable electronic device may include a processor communicatively coupled to the transceiver, configured for detecting a proximity based event based on receiving the received short range communication signal from the short range communication enabled object, analyzing the received short range communication signal based on the detecting of the proximity based event, determining a second object identifier associated with the short range communication enabled object based on the analyzing, and performing a predetermined action based on the second object identifier. Further, the portable electronic device may include a memory device configured ...

MASSIVE COOPERATIVE MULTIPOINT NETWORK OPERATION

СПОСОБ ПЕРЕДАЧИ РАДИОСИГНАЛОВ

Изобретение относится к области радиотехники, а именно к способам передачи радиосигналов, и может быть использовано для избирательной передачи радиосигналов радиоприемным устройствам в подвижных системах радиосвязи, а также в системах радиоэлектронного подавления наземных и бортовых приемников сигналов радионавигационных систем. Техническим результатом изобретения является сокращение области, в пределах которой исключается прием излученного передатчиком сигнала несанкционированными приемниками, в том числе расположенными на линии устройство радиопередачи - приемник, с сектора до четырехугольника, а также увеличение зоны обслуживания, в пределах которой обеспечивается передача сигналов приемникам, за счет использования не менее двух устройств радиопередачи (ПРД), оснащенных многолучевыми передающими антеннами и разнесенными на определенное расстояние, запрета излучения каждым из ПРД в направлениях на несанкционированные приемники (НСП), излучения каждым из ПРД в направлениях, не совпадающими ...

КОНФИГУРАЦИЯ ПОЛУЧЕНИЯ КАЧЕСТВА СОТЫ

Изобретение относится к беспроводным сетям и, в частности, к конфигурации получения качества соты. Технический результат заключается в оптимизации конфигурирования параметр N (то есть количество хороших лучей), которые должны использоваться для выполнения получения качества соты. Согласно определенным вариантам осуществления раскрыт способ, используемый в сетевом узле. Способ содержит определение по меньшей мере одного параметра N в расчете на одну несущую частоту. Параметр N указывает максимальное количество лучей, которые будут использоваться беспроводным устройством для измерений сигнала в соте. Способ содержит передачу параметра(ов) N в беспроводное устройство. 6 н. и 40 з.п. ф-лы, 26 ил.

An apparatus and method for improving connectivity for items of user equipment in a wireless network

Method and apparatus for directional radio communication

CELL QUALITY DERIVATION CONFIGURATION

According to certain embodiments, a method is disclosed for use in a network node. The method comprises determining at least one parameter N per carrier frequency. The parameter N indicates a maximum number of beams to be used by a wireless device for signal measurements in a cell. The method comprises communicating the parameter(s) N to the wireless device.

CHANNEL ACCESSING APPARATUS AND METHOD USING THE SAME

BEAMFORMING TRAINING

Provided are a method for beamforming training and an apparatus using the same. An STA receives a beacon frame from an AP during a BTI. The STA transmits SSW frames during an A-BFT. The beacon frame comprises an A-BFT length indicating the number of a plurality of SSW slots included in the A-BFT, a FSS field indicating the number of the SSW frames allowed in one SSW slot among the plurality of SSW slots, and information about the type of the SSW frames used in one SSW slot. The information about the type of the SSW frames indicates that the SSW frames are determined to be one from among first type SSW frames and second type SSW frames. The second type SSW frames have a smaller size than that of the first type SSW frames. If the SSW frames are determined to be the second type SSW frames, the FSS field indicates the number of the second type SSW frames that can be transmitted in one SSW slot.

APPARATUS AND METHOD FOR PERFORMING BEAMFORMING USING MULTIPLE ANTENNAS IN WIRELESS AV SYSTEM

The present invention relates to an apparatus and a method for performing beamforming using multiple antennas in a wireless AV system. The present specification discloses a wireless data transmission apparatus comprising: a plurality of transmission antennas; a communication circuit for performing a MIMO beamforming procedure on the basis of an individual transmission sector sweep for each of the plurality of transmission antennas during a data transmission interval within a beacon interval, and transmitting a physical layer protocol data unit (PPDU) frame to a wireless data reception apparatus through the plurality of transmission antennas; and a processor connected to the communication circuit, and configured to generate AV data to be transmitted through the PPDU frame and provide the generated AV data to the communication circuit. The present invention can reduce time required for MIMO beamforming while minimizing training of an excessive sector combination in a communication procedure ...

METHOD FOR REPORTING CHANNEL STATE INFORMATION IN ORDER FOR PERFORMING ANTENNA ARRAY-BASED BEAMFORMING IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

A method for reporting channel state information (CSI) by user equipment (UE) for beamforming based on an antenna array in a wireless communication system according to an embodiment of the present disclosure includes: receiving a channel state information reference signal (CSI-RS); generating channel state information using the CSI-RS and a codebook generated in advance; and reporting the channel state information. The channel state information includes information related to a codevector determined in the codebook, the antenna array has a three-dimensional shape having omnidirectional symmetry, the codebook is generated based on a position of the UE having a center of the three-dimensional shape as an origin, and the position of the UE is represented based on a polar coordinate system.

СПОСОБ ПЕРЕДАЧИ СИГНАЛОВ МЕЖДУ МОБИЛЬНЫМ И СТАЦИОНАРНЫМ РАДИО-ПРИЕМО-ПЕРЕДАЮЩИМ УСТРОЙСТВОМ БЕСПРОВОЛОЧНОЙ СИСТЕМЫ СВЯЗИ И УСТРОЙСТВО ДЛЯ ОСУЩЕСТВЛЕНИЯ ЭТОГО СПОСОБА

Подлежащее охвату стационарным радиоприемопередающим устройством, например базовой станцией бесшнурового телефона, радиопространство высвечивается двумя или больше перекрывающими соответственно частичное радиопространство направленными антеннами (3,4), причем активируют соответственно ту из направленных антенн, в частичном радиопространстве которой находится мобильное радиоприемопередающее устройство, то есть, например, мобильная часть бесшнурового телефона (разнос антенн), что и является достигаемым техническим результатом. Изобретение может с успехом применяться в бесшнуровых телефонах. 2 с. и 6 з.п.ф-лы, 9 ил.

Device and process for aerial selection in a wireless telephone system

Flexible analog architecture for sectorization

CHANNEL ACCESSING APPARATUS AND METHOD USING THE SAME

무선 네트워크에서 연관 빔포밍 트레이닝을 수행하는 방법 및 장치

... 복수의 채널을 통해 복수의 스테이션에 통신으로 접속 가능한 액세스 포인트간의 연관 빔포밍 트레이닝(association beamforming training, A-BFT) 방법이 설명된다. 상기 방법은, 제1 채널상에서 제1 스테이션으로부터 제1 섹터 스윕(sector sweep, SSW) 프레임을 수신하는 단계; 제2 채널상에서 제2 스테이션으로부터 제2 SSW 프레임을 수신하는 단계; 상기 제1 SSW 프레임과 상기 제2 SSW 프레임을 처리하여 대응하는 제1 섹터 스윕 피드백(SSW-피드백) 프레임 및 제2 SSW-피드백 프레임을 결정하는 단계; 및 상기 제1 SSW-피드백 프레임 및 상기 제2 SSW-피드백 프레임을 상기 제1 스테이션 및 상기 제2 스테이션으로 각각 전송하는 단계를 포함하며, 상기 제2 SSW 프레임은 상기 제1 SSW 프레임과 직교할 수 있고, 상기 제1 SSW 프레임은 제1 확산 시퀀스를 사용하여 확산될 수 있으며, 상기 제2 SSW 프레임은 제2 확산 시퀀스를 사용하여 확산될 수 있고, 상기 제1 확산 시퀀스 및 상기 제2 확산 시퀀스는 상호 직교한다.

밀리미터 파 무선 로컬 영역 네트워크 시스템에서의 빠른 연결

... 본 개시는 LTE(Long Term Evolution)와 같은 4G(4th generation) 통신 시스템을 넘어 더 높은 데이터율(data rate)을 지원하기 위해 제공되는 5G(5th generation) 통신 시스템 또는 pre-5G 통신 시스템에 관한 것이다. 빔포밍된 WLAN(wireless area network)에서의 연결을 위한 방법 및 장치들이 제공된다. 스테이션(station, STA)을 동작시키는 방법은 비콘 인터벌(beacon interval)의 연결 빔포밍 훈련 구간(association beamforming training duration) 내의 프레임 정렬 송신 섹터 스윕 구간(frame-aligned transmit sector sweep duration) 내에서 연결 빔 송신(association beam transmission)을 위한 복수의 섹터 스윕 프레임들을 무작위로 선택하는 과정, 무작위로 선택된 섹터 스윕 프레임들 각각에서 빔을 전송하는 과정 및 AP(access point)로부터 섹터 스윕 피드백을 수신하는 과정을 포함한다. 상기 AP를 동작시키는 방법은 프레임 정렬 송신 섹터 스윕 구간 내에서 무작위로 선택된 섹터 스윕 프레임들 중 적어도 하나에 대해 복수의 STA들로부터의 적어도 하나의 송신을 수신하는 과정, 상기 적어도 하나의 수신된 송신에 기초하여 상기 복수의 STA들 각각으로부터의 송신들에 대한 섹터 식별자를 선택하는 과정 및 상기 복수의 STA들 각각으로부터의 송신들에 대한 상기 선택된 섹터 식별자를 나타내는 그룹화된 섹터 스윕 피드백을 송신하는 과정을 포함한다.

IMPROVEMENTS IN OR RELATING TO INTERFERENCE MITIGATION

A method for enabling a wireless communication device to access services provided by a Radio Access Network, wherein a UE includes a directional antenna for communicating with one or more serving cells of a base station.

Sector level sweep for millimeter-wave multiple output communications

Generally discussed herein are devices and methods for MIMO communications. A device can include processing circuitry (e.g., PHY and/or MAC layer circuitry) configured to transmit an enhanced sector sweep (ESSW) frame for each of a plurality of transmit sectors, wherein each of the plurality of transmit sectors correspond to a weight vector for the first plurality of antennas, each ESSW frame including a plurality of training units to simultaneously beamforming train one or more responder STAs, receive an SSW feedback frame, each SSW feedback frame indicating a transmit sector of the plurality of transmit sectors and a receive sector of a corresponding STA of the one or more STAs to be used in communication between the initiator STA and the responder STA, and transmit one or more SSW acknowledgement frames to the one or more responder STAs to verify the transmit sector and receive sector to use for communication.

BEAMFORMING TRAINING

A method for beamforming training and a device using the same are provided. A station (STA) receives a beacon frame from an access point (AP) during a beacon transmission interval (BTI). The beacon frame includes information on a sector sweep (SSW) frame type used in at least one of a plurality of SSW slots. During association beamforming training (A-BFT), the STA transmits the SSW frame according to the SSW frame type from an SSW slot, among a plurality of SSW slots, having succeeded in a random backoff.

WI-FI SYSTEM COMPRISING A PLURALITY OF TRANSMITTING/RECEIVING STATIONS

COMMUNICATION APPARATUS AND COMMUNICATION METHOD

A communication apparatus includes a PHY frame generating circuit that generates a PHY frame including either of a short Sector Sweep frame and a Sector Sweep frame; and an array antenna that selects, based on the PHY frame, any sector from among a plurality of sectors and transmits the PHY frame. In a case where, in the PHY frame including the short Sector Sweep frame, a Direction field of the short Sector Sweep frame indicates Initiator Sector Sweep, the PHY frame generating circuit replaces a Short Sector Sweep Feedback field indicating a number of a selected best short Sector Sweep with a Short Scrambled Basic Service Set ID field indicating an abbreviated address generated from an address of a destination communication apparatus.

DATA TRANSMISSION DEVICE AND RECEPTION DEVICE IN WIRELESS AV SYSTEM

The present invention relates to a data transmission device and reception device in a wireless AV system. The present specification discloses a wireless data reception device comprising: a communication unit configured to receive data relating to an image from a wireless data transmission device via a wireless channel; a display unit for outputting the image; a processor configured to execute a standby mode in which a wireless data reception device or the wireless data transmission device is deactivated, and a connection reestablishment mode in which, when the wireless data reception device and the wireless data transmission device are activated, a connection setup relating to the wireless data transmission device is performed; and a memory connected to the processor and configured to store data relating to the image according to a command of the processor.

MASSIVE COOPERATIVE MULTIPOINT NETWORK OPERATION

Methods, systems and devices for massive cooperative multipoint network operation are described. One example method for wireless communication includes transmitting, by a network node serving a plurality of mobile devices in a surrounding area, channel condition information and scheduling information for one or more of the plurality of mobile devices to a network-side server, receiving, by the network node from the network-side server, control information for scheduling transmissions to or from each of the one or more of the plurality of mobile devices, and controlling, by the network node and based on the control information, a communication to or from the one or more of the plurality of mobile devices at a future time or a different frequency band or a different spatial direction.

Method and node in a wireless communication network

Radio network node and method therein, for communication in a wireless communication system. The radio network node comprises: a plurality of antenna elements, a plurality of transceivers, wherein the plurality of transceivers comprise a first subset of the plurality of transceivers coupled to a first subset of the plurality of antenna elements and a second subset of the plurality of transceivers coupled to a second subset of the plurality of antenna elements; and a controller configured to adjust the first subset of the transceivers to work at a first frequency band, and to adjust the second subset of the transceivers to work at a second frequency band.

BLIND SIGNAL ESTIMATION USING STRUCTURED SUBSPACE TECHNIQUE

A system, method, and non-transitory computer readable medium that perform blind signal estimation for single-input multiple-output systems. The method can include receiving, by the two or more receiver antennas of the receiver, an observed signal comprising the input signal and an additive noise term. The method can then form a data matrix using the observed signals from the two or more receiver antennas. The method can also include computing a singular value decomposition of the data matrix. The singular value decomposition can then be used to generate a parameter matrix. The method can then form a Toeplitz signal matrix using the parameter matrix. The method can estimating the input signal using the Toeplitz signal matrix.

FLEXIBLE ANALOG ARCHITECTURE FOR SECTORIZATION

VERFAHREN UND VORRICHTUNG ZUR RICHTFUNKÜBERTRAGUNG

Wireless communication link management method, communication device and system

A wireless communication link is established between a mobile node and a plurality of receiving nodes, all comprising a directional sector antenna. For each receiving node, a number of antenna sector switches observed when transmitting data to the mobile node during a predetermined period of time is retrieved 201. A receiving node is selected 202 based on the retrieved number of switches, and optionally based on retrieved quality indicator values representing the quality of transmission of data during the period of time, and a wireless point-to-point connection between the mobile node and the selected receiving node is set 203. Preferably, the receiving node may only be selected if its retrieved quality indicator value is above a threshold value. The point-to-point connection may operate at high data rate in the millimeter wave spectrum.

COMMUNICATION METHOD AND APPARATUS BASED ON BEAM SWEEPING IN WIRELESS COMMUNICATION NETWORK

A communication method and apparatus based on beam sweeping in a wireless communication network are disclosed. A method for operating a base station includes a step of transmitting control information #n through a sub-sector #n, a step of performing a downlink transmission operation or an uplink transmission operation with a terminal when a response message to the control information #n is received from the terminal, and a step of transmitting control information #(n+1) through a sub-sector #(n+1) when the downlink transmission operation or the uplink transmission operation is completed. Therefore, the performance of the wireless communication network can be improved. COPYRIGHT KIPO 2018 (500) Base station (511) First terminal (S500) Sector/sub-sector setting (S501) Control information setting (S502) Control information #1 (S503) Downlink request message #1 generation (S504) Downlink request message #1 (S505) Resource allocation message #1 generation (S506) Resource allocation message #1 ...

BEAM MANAGEMENT IN A CELL

There is provided mechanisms for beam management in a cell. A method is performed by a network node. The method comprises performing a beam management procedure in a cell served by the network node. A mutually different number of antenna ports are used by the network node in each of at least two cell parts into which the cell is divided during the beam management procedure in the cell.

Method for signal transmission in a communication system between a mobile radio transmission/reception device and a stationary radio transmission/reception device

The radio area to be covered by the stationary radio transmission/reception device, for example of the base station of a cordless telephone, is illuminated by two or more directional antennas (3, 4) respectively covering a radio sub-area thereof, whereby that respective directional antenna in whose radio sub-area the mobile radio transmission/reception means, i.e., for example, the mobile part of the cordless telephone, is located is activated (antenna diversity). The method and apparatus can be advantageously utilized in cordless telephones.

Base station apparatus, user terminal, communication system and communication control method

A base station apparatus, a user terminal, a communication system and a communication control method that can support the diversification of communication is provided. In a base station apparatus, downlink measurement object signals are pre-coded using precoding weights that are specific to a user terminal, and transmitted to the user terminal, and, in the user terminal, the downlink measurement object signals are demodulated using the precoding weights that are specific to the user terminal, and measurement processes are performed based on the demodulated downlink measurement object signals.

TERMINAL DEVICE

Infrastructure equipment for use with a wireless telecommunications system, the infrastructure equipment comprising: a transmitter operable to transmit a first radio signal to a terminal device located within one of a plurality of predetermined geographical regions, wherein the value of one or more predetermined parameters indicative of the one of the plurality of predetermined geographical regions within which the terminal device is located is determinable by the terminal device on the basis of the first radio signal, each of the plurality of predetermined geographical regions being associated with a different respective value of the one or more predetermined parameters which is indicative of that predetermined geographical region; a receiver operable to receive a second radio signal from the terminal device located within the one of the plurality of predetermined geographical regions, the second radio signal being generated by the terminal device on the basis of the value of the one or ...

Massive cooperative multipoint network operation

Methods, systems and devices for massive cooperative multipoint network operation are described. One example method for wireless communication includes transmitting, by a network node serving a plurality of mobile devices in a surrounding area, channel condition information and scheduling information for one or more of the plurality of mobile devices to a network-side server, receiving, by the network node from the network-side server, control information for scheduling transmissions to or from each of the one or more of the plurality of mobile devices, and controlling, by the network node and based on the control information, a communication to or from the one or more of the plurality of mobile devices at a future time or a different frequency band or a different spatial direction.

METHODS, DEVICES, AND APPARATUSES FOR BEAM MANAGEMENT

Wireless communications are described. A wireless device and/or a base station may determine/select one or more beams for transmission of signals (e.g., sounding reference signals, SRSs) in one or more cells. The wireless device and/or the base station may determine/select a beam based on one or more of: cell indicators of a first cell and/or a second cell, antenna panel indicators associated with SRS transmissions, prorities of SRS transmissions, resource set indicators corresponding to the SRS transmissions, and/or other information.

Wide transmit sector level sweep (SLS) sectors

COMMUNICATION METHOD AND APPARATUS USING MULTIPLE ANTENNAS IN WIRELESS COMMUNICATION SYSTEM

A communication method and apparatus using multiple antennas in a wireless communication system are disclosed. The communication method of a receiver includes the steps of: receiving reference signals from a transmitter of a communication system through beams to which hybrid beamforming is applied; selecting at least one analog beam with quality equal to or higher than a preset threshold value among analog beams which belong to the beams, based on the reference signals; and selecting at least one digital beam which corresponds to the at least one analog beam and has the quality equal to or higher than the preset threshold value among digital beams which belong to the beams, based on the reference signals. Therefore, the performance of the communication system can be improved. COPYRIGHT KIPO 2018 (AA) Frequency (B1,B2) Measurement period (C1,C2) Offset (D1,D2) Measurement duration (E1,E2) MRU frequency resource (FF) Response delay (GG) Time (H1,H2) MRU time resource (II) Measurement report ...

METHOD, APPARATUS AND BASE STATION FOR IMPROVING USER CAPACITY IN PHYSICAL SECTOR

ENHANCED BEAMFORMING TRAINING FOR WIRELESS COMMUNICATIONS

SECTORIZATION FEEDBACK AND MULTI-SECTOR TRANSMISSION IN WIRELESS NETWORKS

METHOD FOR SIGNAL TRANSMISSION BETWEEN A MOBILE AND A STATIONARY RADIO TRANSMISSION/RECEPTION MEANS OF A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE IMPLEMENTATION OF THISMETHOD

The radio area to be covered by the stationary radio transmission/reception means, for example of the base station of a cordless telephone, is illuminated by two or more directional antennas (3, 4) respectively covering a radio sub-area thereof, whereby that respective directional antenna in whose radio sub-area the mobile radio transmission/reception means, i.e., for example, the mobile part of the cordless telephone is located is activated (antenna diversity). The method and apparatus can be advantageously utilized in cordless telephones.

DYNAMIC SCHEDULING OF USER EQUIPMENT (UE) ANTENNA RESOURCES

Certain aspects of the present disclosure provide techniques for dynamically scheduling antenna resources of a wireless node, such as, antenna panels of a user equipment (UE). In some cases, a first node (e.g., a UE) performs, with two or more other nodes, a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces, generates or obtains scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates which of the antenna resources is scheduled for which wireless interfaces, and communicates with the other nodes on the wireless interfaces according to the scheduling information.

METHOD FOR PERFORMING MU-MIMO BEAMFORMING TRAINING IN WIRELESS LAN SYSTEM, AND METHOD AND DEVICE FOR SUPPORTING MU-MIMO BEAMFORMING TRAINING

The present invention relates to a method for performing MU-MIMO beamforming training, the method comprising: receiving a MIMO beamforming setup frame including identification information of a station participating in MU-MIMO beamforming training, in an MU-MIMO beamforming setup subphase; receiving a BRP frame in an MU-MIMO beamforming training subphase; and performing MU-MIMO beamforming training using the BRP frame, if the identification information of the station included in the MIMO beamforming setup frame responds to the STA and a TA field and an RA field of the BRP frame are the same as a MAC address of an initiator that has transmitted the MIMO beamforming setup frame.

SYSTEMS AND METHODS FOR BEAM MANAGEMENT

Systems, methods, and devices are disclosed for determining a beam modulation mode and/or a carrier modulation mode. A beamformed reference signal may be transmitted to a wireless transmit/receive unit (WTRU). A beam measurement report may be received from the WTRU. The beam measurement report may include a beam modulation mode recommendation and/or a carrier modulation mode recommendation. A beam modulation mode and/or a carrier modulation mode may be determined based on a mode recommendation. A beam modulation mode and/or a carrier modulation mode may indicate a manner of transmitting same information on multiple beams.

DATA TRANSMISSION APPARATUS AND METHOD USING POLARIZED ANTENNA IN WIRELESS AV SYSTEM

The present invention relates to a data transmission apparatus and method using a polarized antenna in a wireless AV system, and a data reception apparatus and method. The present specification provides a method for performing polarization alignment for a downlink on the basis of reciprocity, a method for performing polarization alignment for an uplink, and a method for performing polarization alignment independently for each DMG antenna when one data transmission apparatus or one data reception apparatus uses multiple DMG antennas. Optimal MIMO performance can be guaranteed by aligning polarization between multiple antennas of the data transmission apparatus and the data reception apparatus in the wireless AV system, the polarization alignment for a downlink or an uplink may be selectively performed on the basis of reciprocity, and polarization distortion can be reduced through the independent polarization alignment between each DMG antenna.

ACTIVE DISTRIBUTED ANTENNA SYSTEM WITH FREQUENCY TRANSLATION AND SWITCH MATRIX

A three-dimensional, 360 degree, omnidirectional multiple-input multiple-output wireless systems is described herein. The multiple-input multiple-output wireless system is comprised of a plurality of radio inputs, a plurality of radio-frequency converters, an RF signal distribution network, a plurality of transceivers, and a plurality of antennas. The multiple-input multiple-output wireless system may further have a plurality of planar stacks.

Method and system for multiple-hop relayed directional wireless communication

Multiple-hop relayed directional beam formed wireless communication (mm-wave mesh network) method and apparatus which takes place at the PHY layer. Network capability is enhanced by improving routing protocols between neighboring STAs when communicating from an originating STA, through intermediate STAs, to a destination STA. The routing takes into consideration antenna sector selection to limit interference with neighboring STAs, and channel time utilization to increase throughput. Link metrics and channel times are established for optimizing routing and the determination of intermediate stations between an originating STA and a destination STA. The apparatus and method balances both end-end path link quality and interference impact.

DIRECTION-RELATED INTERFACE SELECTION PROCEDURE

Die Erfindung betrifft ein richtungsbezogenes Schnittstellenauswahlverfahren, ausgeführt durch ein Kommunikationssteuerungs-Modul (8) eines Fahrzeugs (1), zum Herstellen und Halten einer drahtlosen Hochfrequenz Kommunikationsverbindung, zwischen einer Kommunikationsschnittstelle eines bewegten Fahrzeugs (1), und einer Kommunikationsschnittstelle zumindest einer Gegenstation. Dabei werden Positionsdaten und eine Ausrichtung des Fahrzeugs in Bezug zu einem globalen Koordinatensystem ermittelt. Von zumindest einer Gegenstation wird ein Lagedatensatz ermittelt und die darin enthaltenen Positionsdaten (12) extrahiert. Dann wird ein Richtungsvektor (13) vom Fahrzeug (1) zur Gegenstelle ermittelt, und für diesen eine Zuordnung zu einer sektoralen Abstrahlcharakteristik einer Sendevorrichtung ermittelt. Diese Sendevorrichtung wird anschließend über einen Kommunikationswegeschalter (6) mit einer Kommunikationseinrichtung (7) verbunden.

TELECOMMUNICATIONS APPARATUS AND METHODS FOR DETERMINING LOCATION OF TERMINAL DEVICE USING BEAM SWEEPING

Method and apparatus for directional radio communication

WIRELESS COMMUNICATION NETWORK PLANNING METHOD, DEVICE AND SYSTEM

Soft frequency reuse is a main means for inter-cell interference coordination. In order to solve an actual problem of deploying a soft reuse technology in a multi-antenna system, disclosed are a wireless communication network planning method, device and system. In the present invention, the method comprises: dividing a time-frequency resource into N resource groups which do not overlap one another; designating a specific ordering, wherein the power density upper limits of the resource groups are successively decreased in the order or are kept unchanged, and the specific ordering is referred to as a PSDM template, and K PSDM templates are defined in total; dividing each cell into a plurality of virtual sectors, and setting, for each of the virtual sectors, the maximum beam number that is allowed by one base station to be formed on the same RB in the virtual sector; allocating the K PSDM templates to the virtual sectors, such that adjacent virtual sectors are allocated with different PSDM ...

AN ANTENNA TERMINAL, A ROTATABLE ANTENNA PLATFORM AND METHODS FOR MARITIME USE

The present invention relates to methods, an antenna terminal and an antenna system, and more particularly, to methods, an antenna terminal and an antenna system for a vessel in communication via microwave link with fixed base stations located onshore. The antenna terminal of the invention may comprise a plurality of antennas arranged on a shaft configured to rotate about its own axis. Specifically, the plurality of antennas are directed in different angle directions in relation to the axis of the rotatable shaft on which the plurality of antennas are arranged. The antenna terminal further comprises a control system configured to switch between which of the plurality of antennas is active so that only one of the plurality of antennas is active at a time. The antenna terminal may further comprise at least one antenna of a first type of antenna configured for microwave communication with base stations located on shore and at least one antenna of a second type of antenna different from the ...

Localization using Millimeter Wave Beam Attributes

A communication system using beamforming transmission in a millimeter wave spectrum in an environment. A memory with data including values indicative of link attributes associated with beam signal measurements with states of devices and states of environments. The states of the devices for each device including types of user behavior, locations and poses in each environment. The states of the environments for each environment including, locations of physical objects and types of behavior of ambient users. Control circuitry performs beam training with a target device in environment to measure beam signal values and environmental responses for different beams transmitted over the different beam angles. Selects, in response to the beam training, at least one dominant angle for a beamforming communication with the target device. Estimates, one of a state of the target device or a state of the environment, corresponding to environmental responses for different beams estimated during the beam ...

Multi-beam cellular communication system

A cellular communication system comprising a plurality of geographically spaced base stations (2) each of which comprises an antenna arrangement (4, 6, 8) per base station sector, each of which antenna arrangements has an antenna element for generating an array of narrow beams (10, 12, 14) covering the sector. Timeslots are simultaneously transmitted over each of the beams so as to generate successive sets of simultaneously transmitted timeslots per sector. The timeslots are each split into multiple orthogonal codes, for example Walsh codes. The communication system additionally comprising a scheduling device (31) for allocating for successive sets of timeslots common overhead channels, including a common pilot channel, which are allocated to the same sub-set of codes of each timeslot in the set. For successive sets of timeslots different data traffic is allocated to the same sub-set of codes of each timeslot in the set. This effectively generates a sector wide antenna beam carrying the ...

METHOD AND NODE IN A WIRELESS COMMUNICATION NETWORK

Radio network node and method therein, for communication in a wireless communication system. The radio network node comprises: a plurality of antenna elements, a plurality of transceivers, wherein the plurality of transceivers comprise a first subset of the plurality of transceivers coupled to a first subset of the plurality of antenna elements and a second subset of the plurality of transceivers coupled to a second subset of the plurality of antenna elements; and a controller configured to adjust the first subset of the transceivers to work at a first frequency band, and to adjust the second subset of the transceivers to work at a second frequency band.

Sectorized base stations as multiple antenna systems

Wireless communication link management method, communication device and system

DIRECTIONAL CHANNEL RESERVATION FOR TIME-DIVISION MULTIPLEXING DOWNLINK AND UPLINK DATA BURST TRANSMISSION

Methods, systems, and devices for wireless communication are described. A base station may communicate with multiple user equipments (UEs) in a wireless system supporting directional transmission in shared spectrum (e.g., in millimeter wave (mmW) spectrum). The base station may contend for the channel (e.g., using a listen-before-talk (LBT) procedure) and, upon success, transmit a directional channel reservation (CR) signal to each of the multiple UEs. The CR signal may reserve the channel for a specific time period and indicate a start time, an end time, or both. The UE may respond with another CR transmission. In some examples, the base station may transmit CR signals to each of the UEs in a single burst transmission. In other examples, the base station may transmit CR signals to the UEs sequentially, so that if a UE does not respond, the reserved time may be allotted to another UE.

Distributed antenna system and signal transmission method

The present disclosure discloses a distributed antenna system. The DAS includes a signal source, a first signal generator, a first passive mixer, and a first antenna. The first signal generator is configured to: generate a first local-frequency signal, and send it to the first passive mixer by using a passive DAS line. The first passive mixer is configured to receive the first local-frequency signal, and a downlink radio frequency signal having a second radio frequency band. The first passive mixer is further configured to: perform frequency mixing processing on the received downlink radio frequency signal having the second radio frequency band by using the first local-frequency signal, to form a first downlink radio frequency signal having a first radio frequency band, and then send it to the first antenna. The first antenna is configured to transmit the received first downlink radio frequency signal having the first radio frequency band.

WIRELESS COMMUNICATION SYSTEM FOR GROUND BASED VEHICLES

A wireless communication system for a ground based vehicle, such as trains, is disclosed. The system comprises a router connected to a plurality of antennas, wherein the router is configured to transmit and receive wireless data communication to and from a stationary communication server outside said vehicle through at least one base station of an exterior mobile network via the antennas. The antennas are directional antennas arranged on planes of the vehicle functioning as ground planes, isolating planes or absorbing planes, each plane extending in a height direction and length direction of the vehicle. At least one antenna is directed so that its antenna beam covers a laterally directed sector to a first side of the vehicle, and at least one antenna is directed so that its antenna beam covers a laterally directed sector to a second side of the vehicle, the second side being opposite to the first side.

SYSTEM AND METHOD FOR TIME DIVISION DUPLEXED MULTIPLEXING IN TRANSMISSION-RECEPTION POINT TO TRANSMISSION-RECEPTION POINT CONNECTIVITY

Terahertz wireless personal area network rapid beamforming method based on location information

GROUND RADIO STATION DEVICE AND MOUNTING RADIO STATION DEVICE

Disclosed are a ground radio station (GRS) device and a mounting radio station device. The present invention provides a technique for allowing the GRS device and the mounting radio station device to transmit and receive a channel in a communication system for unmanned aerial vehicle control. According to an embodiment of the present invention, the GRS device comprises: an antenna transmitting and receiving an RF signal; an RF/IF chain performing conversion between the RF signal and a baseband signal; a baseband transmission and reception processing part transmitting and receiving the baseband signal; and a BB-IF interface mapping the baseband signal to the RF/IF chain or the baseband transmission and reception processing part. COPYRIGHT KIPO 2018 (110) Frequency office (120) Air traffic control center (130) Control station (140) CNPC ground station system (150) CNPC unmanned aerial vehicle station system (A1,A2) Antenna (B1,B2) Information (CC) Channel assignment information and status ...

빔포밍 훈련

... 빔포밍 훈련을 위한 방법 및 이를 이용한 장치가 제공된다. STA은 BTI 동안 AP로부터 비콘 프레임을 수신한다. STA은 A-BFT 동안 SSW 프레임을 전송한다. 비콘 프레임은 A-BFT에 포함되는 복수의 SSW 슬롯의 개수를 지시하는 A-BFT 길이, 복수의 SSW 슬롯 중 하나의 SSW 슬롯에 허용되는 SSW 프레임의 개수를 지시하는 FSS 필드, 및 하나의 SSW 슬롯에서 사용되는 SSW 프레임의 타입에 관한 정보를 포함한다. SSW 프레임의 타입에 관한 정보는 SSW 프레임이 제1 타입 SSW 프레임과 제2 타입 SSW 프레임 중 하나로 결정됨을 지시한다. 제2 타입 SSW 프레임은 상기 제1 타입 SSW 프레임 보다 더 작은 크기를 갖는다. SSW 프레임이 제2 타입 SSW 프레임으로 결정되면, FSS 필드는 하나의 SSW 슬롯에서 전송될 수 있는 제2 타입 SSW 프레임의 개수를 지시한다.

BEAMFORMING TRAINING USING POLARIZATION

Provided is beamforming training using polarization. A first station (STA) performs, together with a second STA, a sector level sweep (SLS) process for a sector sweep and a beam refinement protocol (BRP) process. During the BRP process, the first STA transmits, to the second STA, a BRP setup request including polarization setting information associated with a polarized channel which is to be used during the BRP process.

METHOD AND APPARATUS FOR SUPPORTING SECTORIZATION COORDINATION

A method and apparatus may be used to support coordinated and cooperative sectorized transmissions. Power control and clear channel assessment for sectorized transmissions may be used, along with sectorized beacon and associated procedures. Transmissions in a network may be protected by a first access point (AP) sending an omni-directional transmission and a beamformed or sectorized transmission to a station (STA), an overlapping basic service set (OBSS) confirming a spatially orthogonal (SO) condition based on the omni-directional transmission, and a second AP monitoring the omni-directional transmission and confirming the SO condition. The STA may be configured to receive a request-to-send (RTS) frame indicating data is available for transmission, and transmit a cooperative sectorized (CS) clear-to-send (CTS) frame indicating an ability for multiple AP reception.

CHANNEL ACCESSING APPARATUS AND METHOD USING THE SAME

CELL QUALITY DERIVATION CONFIGURATION

According to certain embodiments, a method is disclosed for use in a network node. The method comprises determining at least one parameter N per carrier frequency. The parameter N indicates a maximum number of beams to be used by a wireless device for signal measurements in a cell. The method comprises communicating the parameter(s) N to the wireless device.

Method and node in a wireless communication network

Radio network node and method therein, for communication in a wireless communication system. The radio network node comprises: a plurality of antenna elements, forming an antenna array; a plurality of transceivers, each transceiver coupled to at least one dedicated antenna element of the antenna array; and a controller configured to adjust a first subset of the transceivers to work at a first frequency band, and to adjust a second subset of the transceivers to work at a second frequency band. The first subset of transceivers and the second subset of transceivers (are disjoint and configured to operate at their respective frequency bands simultaneously.

FULL-DUPLEX COMMUNICATION METHOD AND APPARATUS

This application provides a communication method and an apparatus. One example method includes receiving, by a first device in a first device set, a measurement signal sent by a second device; and sending, by the first device, a feedback signal based on the measurement signal, wherein the feedback signal carries information that indicates, to a third device, a device that is in the first device set and that is paired with the second device, and the feedback signal carries a device identifier of the second device.

ANTENNA DEVICE IMPLEMENTING SPATIAL-POLARIZATION SEPARATION OF BEAMS USING QUAD-POLARIZED ANTENNA MODULE ARRAY

An antenna device is disclosed for implementing spatial-polarization separation of beams using a quad-polarized antenna module array. The antenna device including a quad-polarized antenna module array including first and second quad-polarized antenna modules in which signal paths of radiating elements having the same polarization direction are coupled, and configured to radiate first and second beams having different polarizations, and a polarization/separation beamforming module configured to set phases between signals to be different from each other so that the first beam and the second beam are spatially separated. [Representative Drawing: FIG. 12 ] ...

An antenna terminal, an antenna system and methods for maritime use

The present invention relates to methods, an antenna terminal and an antenna system, and more particularly, to methods, an antenna terminal and an antenna system for a vessel in communication via microwave link with fixed base stations located onshore. The antenna terminal of the invention comprises a plurality of antennas arranged on a shaft configured to rotate about its own axis. Specifically, the plurality of antennas are directed in different angle directions in relation to the axis of the rotatable shaft on which the plurality of antennas are arranged. The antenna terminal further comprises a control system configured to switch between which of the plurality of antennas is active so that only one of the plurality of antennas is active at a time.

APPARATUS, SYSTEM AND METHOD OF BEAMFORMING

For example, an apparatus may be configured to cause a first Enhanced Directional Multi-Gigabit (EDMG) station (STA) to, during a Transmit (Tx) Sector Sweep (TxSS) sub-phase of a beamforming Training Interval (TI), transmit to a second EDMG STA a plurality of Beam Refinement Protocol (BRP) packets to train a plurality of antennas of the first EDMG STA, transmission of a BRP packet of the plurality of BRP packets including a TxSS of an antenna of the plurality of antennas of the first EDMG STA over a Training (TRN) field of the BRP packet; during the TxSS sub-phase of the beamforming TI, to receive a feedback from the second EDMG STA to indicate a selected antenna setting of the first EDMG STA; and to repeat the TxSS sub-phase of the beamforming TI based on a count of antennas of the second EDMG STA.

APPARATUS, SYSTEM AND METHOD OF BEAM REFINEMENT PROTOCOL (BRP) TRANSMIT (TX) SECTOR SWEEP (SS) (TXSS)

For example, an Enhanced Directional Multi-Gigabit (EDMG) initiator station (STA) of a Beam Refinement Protocol (BRP) Transmit (TX) Sector Sweep (SS) (TXSS) may be configured to, during an initiator BRP TXSS, transmit one or more initiator EDMG BRP-TX packets to an EDMG responder STA; during a responder BRP TXSS following the initiator BRP TXSS, to receive one or more responder EDMG BRP-TX packets from the EDMG responder STA; and to transmit to the EDMG responder STA a BRP frame including feedback based on measurements on the one or more responder EDMG BRP-TX packets.

WIDE TRANSMIT SECTOR LEVEL SWEEP (SLS) SECTORS

Certain aspects of the present disclosure provide methods and apparatus for performing multi-stage, multi-resolution beamforming training in the context of 802. Had / 802. Hay technologies, using a transmit sector level sweep (SLS) for the selection of a wide sector, and multiple stages of a transmit beam refinement protocol/phase (Tx-BRP) for the selection of finer beams overlaping with the selecter sector.

System and method for time division duplexed multiplexing in transmission-reception point to transmission-reception point connectivity

A method for operating a transmission-reception point (TRP) includes determining a first cycle of backhaul communications modes for the TRP, each backhaul communications mode of the first cycle is associated with a different time period and prompts the TRP to either transmit or receive using a subset of communications beams available to the TRP during an associated time period, wherein the communications beams used by the TRP and neighboring TRPs of the TRP in each associated time period are selected to prevent mutual interference, and wherein at least one backhaul communications mode of the first cycle prompts the TRP to either transmit or receive using all of the communications beams available to the TRP, determining a backhaul frame configuration for the TRP in accordance with the first cycle, the backhaul frame configuration specifying an arrangement of subframes of a frame used for backhaul communications.

MILLIMETER WAVE COARSE BEAMFORMING USING OUTBAND SUB-6GHZ RECONFIGURABLE ANTENNAS

Low latency beamforming using phased antenna arrays is the key for practical deployment of envisioned millimeter wave (mmWave) Gbps mobile networks. This work aims towards reducing the overhead of the exhaustive sector-level sweep phase of the analog beamforming adopted in the IEEE 802.11ad standard. This system uses a reconfigurable antenna single RF chain in the sub-6 GHz new radio (NR) band to aid codebook-based beam selection in the mmWave band of the NR. The system exploits the congruence between the spatial propagation signatures of signals at both mmWave and sub-6 GHz frequencies to reduce the beam search space.

Communication system, apparatus and method for antenna array control

A wireless communication system comprises a network element ( 315 ) operably coupled to an antenna array for communicating with a remote wireless communication unit ( 305 ). The antenna array comprises a plurality of radiating elements where at least one first radiating element of the plurality of radiating elements is arranged to create a radiation pattern that comprises a sector beam ( 405 ). The plurality of radiating elements comprises at least one second radiating element arranged to create a major portion of at least one sub-sector beam ( 420, 425, 430 ) within the sector beam ( 405 ).

Radio transmission control method, radio receiver apparatus, and radio transmitter apparatus

Conventionally, if the number of transmission antennas is greater than that of reception antennas, different signals simultaneously transmitted from the transmission antennas cannot be separated from one another at the receiving end, resulting in a significant degradation of received-signal quality. A transmitter and a receiver each have a plurality of antennas. The transmitter transmits a pilot signal. The receiver receives the pilot signal, calculates transmission-related information corresponding to the pilot signal, selects, based on this calculated information, a transmission signal to be used by the transmitter, and notifies the transmitter of the selected signal. The transmitter selects, from the informed transmission signal, transmission antennas and uses the selected antennas to transmit information signals, so that a signal separation can be easily performed at the receiving end.

Mu-mimo access point and user station including methods for multi-user group management

Embodiments of a MU-MIMO access point, user station and method for multi-user group management are generally described herein. In some embodiments, a MU-MIMO access point may assign a MU group identifier (GID) and a group member index (GMI) to each of a plurality of associated user stations. The MU-MIMO access point may transmit a MU-MIMO transmission that includes a plurality of spatial streams. The MU-MIMO transmission may be destined for the user stations of a single MU group indicated by a GID that is included within the MU-MIMO transmission. A subset of the spatial streams may be intended for each user station of the indicated MU group that is identified by the GID transmitted within the MU-MIMO transmission. A user station may use its assigned GMI along with an N sts field in the MU-MIMO transmission to determine which of the spatial streams to demodulate.

Diversity schemes for 2-d encoded data

A method for communication includes receiving a signal carrying data including multiple data units using at least first and second reception channels. The data units are encoded with first and second codes such that, when the data units are arranged in rows and columns, the rows are encoded with the first code and the columns are encoded with the second code. The data units received by the first and second reception channels are selectively combined to produce composite data, which includes at least one row or column that includes a first data unit received from the first reception channel and at least a second data unit received from the second reception channel. The first and second codes for the composite data are decoded, including the at least one row or column, so as to reconstruct the data.

Communication device and method for generating beamforming link

A communication device which generates a beamforming link between the communication device and an external device is provided. The communication device includes: a beamforming link generating unit which generates a first beamforming link between a first antenna of a plurality of antennas of the communication device and the external device, and which generates a second beamforming link between a second antenna of the plurality of antennas of the communication device and the external device; and a transmission unit which transmits data to the external device via each of the first beamforming link and the second beamforming link.

Mrc antenna diversity for fm iboc digital signals

A radio receiver includes a first signal path including a first tuner configured to receive a first signal from a first antenna, and a first demodulator configured to demodulate symbols from an output of the first tuner to produce first branch metrics derived from the demodulated symbols; a second signal path including a second tuner configured to receive a second signal from a second antenna, and a second demodulator configured to demodulate symbols from an output of the second tuner to produce second branch metrics derived from the demodulated symbols; a combiner for maximum ratio combining the first branch metrics and the second branch metrics; and processing circuitry to process the combined first and second branch metrics to produce an output signal.

METHOD AND DEVICE FOR SEND BEAMFORMING AND MULTIPLE USER SCHEDULING FOR MULTIPLE SECTOR COOPERATIVE TRANSMISSION IN A MULTIPLE ANTENNA SYSTEM

A Tx beamforming method for multi-sector cooperative transmission in a multi-antenna system includes determining a transmission mode of sector boundary users according to a channel condition; determining a multi-sector cooperative Tx beam for supporting multiple users, based on the transmission mode of the user; determining a user combination for multi-sector cooperative beamforming by considering the determined multi-sector cooperative Tx beam; and performing sector cooperative Tx beamforming with the determined user combination. Thus, the overall system capacity can be enhanced. 1. A transmit (Tx) beamforming method for multi-sector cooperative transmission in a multi-antenna system , the method comprising:determining a transmission mode of sector boundary users according to a channel condition;determining a multi-sector cooperative Tx beam for supporting multiple users based on the transmission mode of the sector boundary users;determining a user combination for multi-sector cooperative beamforming by considering the determined multi-sector cooperative Tx beam; andperforming sector cooperative Tx beamforming with the determined user combination.2. The Tx beamforming method of claim 1 , wherein determining the transmission mode of the sector boundary users according to the channel condition comprises:determining a first maximum Signal-to-Interference plus Noise Ratio (SINR) when a user operates in a first transmission mode, and a second maximum SINR when the user operates in a second transmission mode; anddetermining the transmission mode by comparing the first maximum SINR and the second maximum SINR,wherein the first transmission mode is selected when the first maximum SINR is greater than the second maximum SINR, and the second transmission mode is selected when the first maximum SINR is smaller than the second maximum SINR.3. The Tx beamforming method of claim 2 , wherein the first transmission mode is an Instantaneous channel Sector Cooperation (ISC) mode ...

Wireless transmission method, and wireless transmitter and wireless receiver

A wireless transmitter capable of transmitting a data stream to a wireless receiver, the wireless transmitter includes a plurality of transmitting antennas; and a scheduler controls to increase the number of candidate beams selectable for transmitting said data stream depending on the number of data streams to be transmitted from said transmitting antennas becoming small, wherein said beams are formed by predetermined number of the plurality of transmitting antennas.

Protocol for mu mimo operation in a wireless network

Various embodiments of the invention may modify the techniques used in conventional networks, to achieve techniques that are better suited for networks that use highly directional communications. A novel method is described for determining whether a channel in such a network is idle. In addition, various protocols and formats are disclosed that are intended for such a network.

Method and apparatus for tracking uplink beams in beamforming-based wireless communication system

A method and apparatus perform Uplink (UL) beam tracking in a beamforming-based wireless communication system. A Mobile Station (MS) repeatedly transmits code sequences mapped respectively to MS transmit beams through each MS transmit beam as many times as the number of Base Station (BS) receive beams while sweeping the MS transmit beams. The MS receives, from a BS, transmit beam information indicating at least one best transmit beam selected from the MS transmit beams by the BS, and allocation information used to allocate UL resources for UL feedback. The MS transmits best beam information indicating the at least one best transmit beam and a MS identifier to the BS using the UL resources.

Methods and apparatus of enhancing performance in wireless communication systems

Methods and apparatus for supporting and using multiple communications channels corresponding to different transmit technologies and/or access technologies in parallel within a cell of a wireless communications system are described. Mobile nodes support multiple technologies and can switch between the technology being used at a particular point in time, from a first channel corresponding to a first technology to a second channel corresponding to a different technology which provides better transmission characteristics, e.g., a better perceived channel quality. Mobiles maintain at least two sets of channel quality information at any one point in time. Mobiles select the better channel and communicate the channel selection to the base station or communicate channel quality information for multiple channels to the base station and allow the base station to select the channel corresponding to the technology providing the better conditions for the mobile. Different mobiles in the same cell may support different technologies.

Radio Base Station and Method Therein for Transmitting a Data Signal to a User Equipment in a Radio Communications Network

Embodiments herein relate to a method in a radio base station ( 12 ) for transmitting a data signal to a user equipment ( 10 ) in a radio communications network. The radio base station ( 12 ) is connected to an active antenna array of a number of active transmitting antennas and the radio base station ( 12 ) serves the user equipment ( 10 ) in the radio communications network. Each active transmitting antenna comprises sub elements. The radio base station ( 12 ) transforms a precoded data signal using a transformation, which transformation directs signals vertically. Furthermore, the radio base station ( 12 ) transmits the transformed data signal over at least one sub element to the user equipment ( 10 ). The transmitted data signal is enabled to be directed vertically, and the transformed data signal is limited to be transmitted in a direction within a range of elevation angles.

Method and apparatus for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices

In a method for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices by a node of a wireless communication system the precoding matrix comprises a precoding vector for each wireless device of a plurality of wireless devices, each precoding vector having a precoding element for each transmit antenna of the node. Each precoding element represents a phase shifter for phase shifting a phase of a symbol to be transmitted. A plurality of interference strength indicators for different phase angles is calculated based on the precoding matrix. Further, for the precoding element of the precoding vector a phase angle is selected which corresponds to a calculated interference strength indicator fulfilling a predefined interference strength criterion.

Communication method and apparatus using analog and digital hybrid beamforming

A communication method and apparatus using analog and digital hybrid beamforming are provided. The method includes receiving a first message including a measurement and selection condition for hybrid beamforming from a Base Station (BS), measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least one BS transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beam according to the measurement and report condition, determining feedback information for digital beamforming of the BS based on the effective channel matrix, transmitting the determined feedback information to the BS, and receiving a data burst from the BS according to a Multiple Input Multiple Output (MIMO) mode and/or a configuration scheduled based on the feedback information.

Scheme for performing beamforming in communication system

A method of performing beamforming in a base station is provided. The method includes receiving random access channel signals transmitted in one or more transmit beams from a terminal, using one or more receive beams, determining at least one best transmit beam from the one or more transmit beams and at least one best receive beam from the one or more receive beams, and transmitting information about the best transmit beam and the best receive beam to the terminal.

Methods and apparatus for uplink timing alignment in system with large number of antennas

A mobile station is configured to perform a method for uplink timing alignment in a wireless network. The method includes receiving a first downlink synchronization signal from a base station on a first beam pair at a first time associated with a first propagation delay. The method also includes receiving a second downlink synchronization signal from the base station on a second beam pair at a second time associated with a second propagation delay. The method further includes determining a second timing advance for the second beam pair based on a known first timing advance for the first beam pair and a time difference between the first time and the second time.

Methods and apparatus for cyclic prefix reduction in mmwave mobile communication systems

To reduce the duration of a cyclic prefix used for a multiple input, multiple output (MIMO) communications channel, delay spread variations for different transmit/receive beam pair combination is estimated and used for fast beam switching and to support single user MIMO (SU-MIMO) even when the CP difference between two beams is large. Beam switching reference signals are employed to estimate delay spread exceeding current CP, and to support beam switching. CP covering sub-clusters within clusters for the MIMO channel are exploited to reduce the CP requirement and improve efficiency. Any one of a number of different CP durations may be selected for each different mobile station, using one of a finite set of subframe configurations for which the CP durations of different symbol locations within the subframe are predefined. Dynamically switching subframe configurations by the system accommodates high mobility.

METHOD AND SYSTEM FOR IMPROVING UPLINK PERFORMANCE

Distributed antenna systems and more particularly to methods and systems for improving uplink communications are disclosed. In one embodiment, Aggregation Point Noise Blocking provides for blocking or filtering of the noise contributed by one or more of the branches coupled to an aggregation point that are not carrying the signal from a particular terminal. Signal activity from a given terminal on a particular branch can be identified and that information can be used to selectively block or filter the signal noise contributed by the other branches to an aggregation point. The selective blocking or filtering can also include an attenuation function to attenuate the signal and provide dynamic range smoothing. 1. A distributed antenna system comprising:a signal source configured to send and receive one or more signals;two or more uplink branches coupled to an aggregation point, each uplink branch comprising an antenna;the aggregation point comprising a selective noise blocking system configured to detect uplink signal activity received by one or more of the uplink branches and to selectively block uplink signals from one or more of the uplink branches from passing through the aggregation point;the selective noise blocking system comprising an analog to digital converter associated with each of the two or more uplink branches and configured to convert each uplink signal transferred over each of the two or more uplink branches to a corresponding digital signal.2. The distributed antenna system of further comprising:an activity identification block associated with each of the two or more uplink branches and adapted to detect uplink signal activity in the corresponding digital signal;a selective noise blocking component associated with each of the two or more uplink branches and adapted to selectively block the corresponding digital signals as a function of the uplink signal activity detected;a digital combiner coupled to each selective noise blocking component and adapted ...

BEAMFORMING DEVICES AND METHODS

Devices and methods are provided for directionally receiving and/or transmitting acoustic waves and/or radio waves for use in applications such as wireless communications systems and/or radar. High directional gain and spatial selectivity are achieved while employing an array of receiving antennas that is small as measured in units of the wavelength of radio waves being received or transmitted, especially in the case of spatially oversampled arrays. Frequency/wavenumber, multi-dimensional spectrum analysis, as well as one-dimensional frequency spectrum analysis can be performed. 1. A system for coupling to an array of N antennas for receiving N signals , where N is a natural number greater than or equal to three , for receiving signals from a transmitting device , the device comprising:circuitry for deriving digital data from the N antennas;a spatial filter for receiving digital data from the sampling circuitry;a spatial interpolator for receiving signals derived from the spatial filter and providing M interpolated signals using a Hermetic transform, where M>N, M representing a set of beams; anda selector for selecting one of the beams to identify a location of the transmitting device.2. The system of claim 1 , wherein the digital data includes in-phase and quadrature data.3. The system of claim 1 , wherein the circuitry uses oversampling.4. The system of claim 1 , wherein the interpolator applies a matrix based on a selected cost function.5. The system of claim 4 , wherein the spatial filter uses pre-stored matrices.6. A system for coupling to an array of N antennas for receiving N signals claim 4 , where N is a natural number greater than or equal to three claim 4 , for receiving signals from a transmitting device claim 4 , the device comprising:circuitry for deriving digital data from the N antennas;a spatial filter for obtaining signals from the circuitry;a spatial interpolator for receiving signals derived from the digital data and providing M interpolated ...

Methods and apparatus for providing multi-antenna enhancements using multiple processing units

Certain aspects of the present disclosure relate to techniques for providing multi-antenna enhancements using multiple processing units. A UE (User Equipment) may receive data via three or more antennas. The UE may determine a number of independent processing units to be employed to process the data, wherein the determined number of independent processing units includes at least two processing units and at least one processing unit jointly processes at least two streams of data. The data may be processed by the determined number of independent processing units and the results of the processing units may be combined.

System and method for distinguishing between antennas in hybrid mimo rdn systems

A system for distinguishing between any one of a plurality of antennas in a multiple-input-multiple-output (MIMO) system having an augmented number of antennas is provided herein. The system includes a MIMO receiving system having N branches and configured to operate in accordance with a channel estimation MIMO receiving scheme; a radio distribution network (RDN) connected to the MIMO receiving system, the RDN comprising at least one beamformer, being fed by two or more antennas, so that a total number of antennas in the system is M, wherein M is greater than N, wherein each one of the beamformers include a combiner configured to combine signals coming from the antennas into a single signal; and at least one antenna distinguishing circuitry, each associated with a respective beamformer, wherein the antenna distinguishing circuitry is configured to distinguish between the signals coming from the antennas which feed the respective beamformer.

HIGH-THROUGHPUT BEAMFORMING MIMO RECEIVER FOR MILLIMETER WAVE COMMUNICATION AND METHOD

A receiver in a communication system is provided that includes a synchronization module and a channel estimator. The synchronization module is configured to identify an end of a cyclic prefix (CP) in a received signal using slope detection by monitoring a detection metric threshold in the received signal. The channel estimator is configured to estimate a complex noise variance using guard band subcarriers. 1. A receiver in a communication system , comprising:a synchronization module configured to identify an end of a cyclic prefix (CP) in a received signal using slope detection by monitoring a detection metric threshold in the received signal; anda channel estimator configured to estimate a complex noise variance using guard band subcarriers.2. The receiver of claim 1 , wherein the synchronization module comprises a synchronization channel (SCH) detection trigger configured to compare a first value of the detection metric threshold to a second value of the detection metric threshold claim 1 , wherein the first value and the second value are separated in time by a length of the CP.3. The receiver of claim 2 , wherein the SCH detection trigger is further configured to identify the end of the CP when the second value becomes lower than the first value.4. The receiver of claim 1 , wherein the synchronization module comprises an energy estimator configured to estimate an energy value corresponding to the received signal claim 1 , and wherein the synchronization module is further configured claim 1 , when the synchronization module identifies the end of the CP claim 1 , to capture the energy value generated by the energy estimator for use in beamforming and automatic gain control.5. The receiver of claim 1 , wherein the received signal comprises an SCH sub-frame claim 1 , and wherein a first symbol of the SCH sub-frame is duplicated in a last symbol of the SCH sub-frame.6. The receiver of claim 1 , wherein the synchronization module comprises a symbol-halves correlator ...

Smart Antenna With Multiple Round Selection

A smart antenna system for communicating wireless signals between a mobile device and a plurality of fixed base stations using different channels and beams. The system comprises a control subsystem, a radio transceiver and an antenna subsystem, providing a plurality of beams. Each beam has a main lobe, one or more nulls, and one or more lateral and back lobes with at least some attenuation, so as to reduce interference. The system performs scanning of different combinations of base stations, channels and beams using one or more test links established with one or more of the fixed base stations. The test links use at least some of the different channels and the different beams, select a first combination of base station, channel and beam based on the scanning, and establish a first operating link for transmitting a wireless signal to the selected base station using the selected channel and beam.

BEAM RECOVERY FOR PARTIAL CONTROL CHANNEL FAILURE

Various embodiments disclosed herein provide for a beam recovery when there has been a partial control channel failure. Transient obstructions, and other interference effects can cause the failure of a beam pair link which can comprise a transmit beam and a receive beam associated with respective antennas on a transmitter and receiver. A group of control channels (downlink control channels) (configured as a control resource set “CORESET”) on a group of beam pair links can be associated with a group of uplink control resources (Physical Uplink Control Channel resources). When a subset of the CORESET group fails, the user equipment (UE) device can find another PUCCH that is associated with a working CORESET to send an indication to the network about the failure. When the network receives the indication, the network can switch the failed CORESET to a new beam pair link. 1. A method , comprising:determining, by a user equipment comprising a processor, that a downlink control channel of a beam pair link has met a failure criterion; andpredicting, by the user equipment, that an uplink control channel of the beam pair link is likely to fail based on the downlink control channel having met the failure criterion.2. The method of claim 1 , further comprising claim 1 , in response to the predicting claim 1 , switching claim 1 , by the user equipment claim 1 , from the uplink control channel to another uplink control channel other than the uplink control channel of another beam pair link other than the beam pair link.3. The method of claim 1 , wherein the determining that the downlink control channel has met the failure criterion is based upon a signal strength of the downlink control channel.4. The method of claim 1 , wherein the determining that the downlink control channel has met the failure criterion is based upon a signal to interference and noise ratio of the downlink control channel.5. The method of claim 1 , wherein the determining that the downlink control channel has ...

METHODS, APPARATUS AND MACHINE-READABLE MEDIUMS RELATING TO ADJUSTING BEAM GAIN IN WIRELESS COMMUNICATION NETWORKS

A method for adjusting beam gain in a radio network node. The method comprises: obtaining a channel estimate based on a reference signal transmitted by a target wireless device; applying a set of weights to the channel estimate to obtain a weighted channel estimate; and outputting the weighted channel estimate for use in determining beamforming weights to be applied to signals output to a plurality of antenna elements for transmission to the target wireless device, wherein the beamforming weights are determined as a function of the weighted channel estimate. 1. A method for adjusting beam gain in a radio network node , the method comprising:obtaining a channel estimate based on a reference signal transmitted by a target wireless device;determining a set of weights to be applied to the channel estimate, wherein said set of weights is determined so as to achieve a given reduction in beam gain, and wherein determining the set of weights comprises iteratively adjusting the set of weights until the given reduction in beam gain is achieved;applying the determined set of weights to the channel estimate to obtain a weighted channel estimate; andoutputting the weighted channel estimate for use in determining beamforming weights to be applied to signals output to a plurality of antenna elements for transmission to the target wireless device, wherein the beamforming weights are determined as a function of the weighted channel estimate.24-. (canceled)5. The method according to claim 1 , wherein the set of weights are initialized to a set of initial values to achieve the given reduction in beam gain assuming a flat channel.6. The method according to claim 5 , wherein the set of initial values is obtained from a table of predetermined values associated with given reductions in beam gain assuming the flat channel.7. The method according to claim 1 , wherein determining the set of weights comprises solving{'br': None, 'i': G', 'G−G, '(1)−Δ(ρ)=0'}where G(1) denotes a maximum beam ...

Directional direction selection method, apparatus, and system

Embodiments of the present invention disclose a directional direction selection method, apparatus, and system. The method includes: sending L groups of pilots in an omnidirectional direction manner, where the L groups of pilots are received by UE by using L directional directions, and the L groups of pilots are used by the UE to switch to a directional direction with best channel quality in the L directional directions; sending, by a base station, S groups of pilots by using S directional directions respectively; determining, by the base station, an optimal directional direction in the S directional directions according to the channel quality corresponding to the S groups of pilots; and switching, by the base station, to the optimal directional direction in the S directional directions.

BEAM-FORMING SELECTION

A method of a wireless communication access node is disclosed. The wireless communication access node is adapted to establish a wireless communication link to a wireless communication device by beam-formed transmission using a beam-forming alternative selected from a plurality of beam-forming alternatives each corresponding to a direction emanating from the wireless communication access node. The method comprises simultaneously transmitting two or more beacon signals having different respective predetermined content, wherein each beacon signal is transmitted using a respective one of the plurality of beam-forming alternatives and wherein the predetermined content of each beacon signal is associated with the direction corresponding to the respective beam-forming alternative. The method also comprises receiving a beacon reading report from the wireless communication device, wherein the beacon reading report is indicative of a reception quality at the wireless communication device of the two or more beacon signals, and selecting the beam-forming alternative for establishment of the wireless communication link based on the received beacon reading report. Corresponding arrangement, wireless communication access node and computer program product are also disclosed, as well as a method of a wireless communication device and corresponding arrangement, wireless communication device and computer program product. 1. A method of a wireless communication access node adapted to establish a wireless communication link to a wireless communication device by beam-formed transmission using a beam-forming alternative selected from a plurality of beam-forming alternatives each corresponding to a direction emanating from the wireless communication access node , the method comprising:simultaneously transmitting two or more beacon signals having different respective predetermined content, wherein each beacon signal is transmitted using a respective one of the plurality of beam-forming ...

HANDLING MULTIPLE TRANSMISSION OPPORTUNITIES IN A PAGING OCCASION

A method is provided for use in a network node in wireless communications network. The method includes determining, a plurality of transmission opportunities, TXOPs, in which to attempt to transmit a paging signal in a plurality of beams. The plurality of beams have a beam order. The method further includes assigning a predetermined number of the plurality of TXOPs to each beam of the plurality of beams, wherein none of the TXOPs is assigned to more than one beam. The method further includes performing at least one clear channel assessment, CCA, before transmitting the paging signal in one of the TXOPs. The method further includes transmitting the paging signal in a first beam of the plurality of beams using one of the plurality of TXOPs assigned to the first beam based on a first successful CCA covering the used TXOP. 1. A method for use in a network node in wireless communications network , the method comprising:determining a plurality of transmission opportunities, TXOPs, in which to attempt to transmit a paging signal in a plurality of beams, wherein the plurality of beams have a beam order;assigning a predetermined number of the plurality of TXOPs to each beam of the plurality of beams, wherein none of the TXOPs is assigned to more than one beam;performing at least one clear channel assessment, CCA, before transmitting the paging signal in one of the TXOPs; andtransmitting the paging signal in a first beam of the plurality of beams using one of the plurality of TXOPs assigned to the first beam based on a first successful CCA covering the used TXOP.2. The method of claim 1 , further comprising:in response to a failed CCA preventing the transmission of the paging signal in one of the TXOPs assigned to the first beam, using a later available TXOP of the plurality of TXOPs assigned to the first beam to attempt the transmission of the paging signals.3. The method of claim 1 , wherein assigning a predetermined number of the plurality of TXOPs to each beam of the ...

USER EQUIPMENT AND BASE STATION

The present disclosure relates to techniques for implementing cell selection suitable for 3D MIMO. One aspect of the present invention relates to user equipment, comprising: a transmission and reception unit configured to receive a reference signal list including precoded reference signals transmitted from a camped base station and an adjacent base station; a measurement unit configured to measure reception quality of the respective precoded reference signals in the received reference signal list; and a beam selection unit configured to select a beam to communicate with the camped base station or the adjacent base station based on the measured reception quality and indicate the selected beam to the camped base station or the adjacent base station. 1. User equipment , comprising:a transmission and reception unit configured to receive a reference signal list including precoded reference signals transmitted from a camped base station and an adjacent base station;a measurement unit configured to measure reception quality of the respective precoded reference signals in the received reference signal list; anda beam selection unit configured to select a beam to communicate with the camped base station or the adjacent base station based on the measured reception quality and indicate the selected beam to the camped base station or the adjacent base station.2. The user equipment as claimed in claim 1 , wherein the respective precoded reference signals in the reference signal list are associated with cell indices indicative of base stations transmitting the precoded reference signals claim 1 , and the beam selection unit selects the beam to communicate with the camped base station or the adjacent base station based on the measured reception quality as well as which of the camped base station or the adjacent base station is the transmitting base station.3. The user equipment as claimed in claim 1 , wherein the respective precoded reference signals in the reference signal list ...

System and method for wireless mobility protocol for highly directional antennas with network topology awareness

A system for communicating wireless signals between one or more sector controllers (SC) and one or more subscriber stations (SS) using different channels and different beams, wherein each of the one or more SS and the SC has a corresponding highly directional antenna; the one or more SC comprises a first SC; the one or more SS comprises a first SS; the first SS obtains network topology awareness (NTA) data from the first SC; the first SS selects a channel, a beam, and one of the one or more SC to establish an RF link based on the NTA data; and the first SS communicating with the selected SC using the established RF link.

METHOD AND APPARATUS FOR SCHEDULING IN A MULTI-INPUT MULTI-OUTPUT SYSTEM

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method and an apparatus for grouping a plurality of beams into a plurality of beam groups in a wireless communication system supporting Multi-Input Multi-Output (MIMO) are provided. The method includes determining at least one preferred beam set, based on a channel between a plurality of transmission beams of a Base Station (BS) and a plurality of reception beams of a Mobile Station (MS), transmitting information on the at least one preferred beam set, to the BS, generating information indicating interference that at least one transmission beam of the BS exerts to the MS, based on a preferred reception beam comprised in the at least one preferred beam set, and transmitting the generated interference information to the BS. 1. A method for operating a terminal , the method comprising:receiving, from a base station (BS), configuration information regarding a first beam group and regarding a second beam group;receiving, from the BS, first signals transmitted using a first plurality of transmit (Tx) beams of the BS in the first beam group and second signals transmitted using a second plurality of Tx beams of the BS in the second beam group;transmitting, to the BS, first information regarding at least one first Tx beam of the BS identified among the first plurality of Tx beams based on the first signals; andtransmitting, to the BS, second information regarding at least one second Tx beam of the BS identified among the second plurality of Tx beams based on the second signals.2. The method of claim 1 , further comprising:identifying the at least one first Tx beam among the first plurality of Tx beams based on a channel quality for each of the first signals; andidentifying the at least one second Tx beam among the second plurality of Tx beams based on the ...

System and Method for Hybrid Beamforming Diversity

A system and method for hybrid beamforming diversity includes a method by a UE with one or more receive antenna ports, each of the receive antenna ports associated with a plurality of receive beam ports, the method comprising receiving, by the UE, information from a network indicating configurations of one or more transmit antenna ports, each of the transmit antenna ports associated with a plurality of transmit beam ports, the information further indicating a plurality of reference signals, receiving, by the UE, a subset of the reference signals, measuring, by the UE, receive signal quality for each of the subset of the reference signals, determining, by the UE, a selected receive beam port for each of the receive antenna ports, deriving, by the UE, one or more reporting sets, transmitting, by the UE, the one or more reporting sets to the network, and receiving, by the UE, a data transmission.

METHOD AND APPARATUS FOR MANAGING COMMUNICATION WHEN A SERVING BEAM BECOMES INVALID IN A WIRELESS COMMUNICATION SYSTEM

A method for a wireless communications system is disclosed. In one example, user equipment (UE) maintains at least one serving beam, and uses a serving beam to perform an uplink (UL) transmission of data. The data is stored in an uplink hybrid automatic repeat request (UL HARQ) buffer. When there is a failure to track the serving beam, a beam recovery procedure is initialized. After successful completion of the beam recovery procedure, the UE retransmits the data stored in the UL HARQ buffer. The UE prevents the data from being flushed from the UL HARQ buffer when the failure to track the serving beam occurs, so that the data can be retransmitted. 1. A method for a user equipment (UE) , comprising:maintaining at least one serving beam;performing an uplink (UL) transmission of data stored in an uplink hybrid automatic repeat request (UL HARQ) buffer;initiating a beam recovery procedure; andperforming an UL retransmission of the data stored in the UL HARQ buffer after successful completion of the beam recovery procedure.2. The method of claim 1 , wherein the beam recovery procedure includes transmitting a scheduling request.3. The method of claim 1 , wherein the beam recovery procedure is initiated in response to a beam tracking failure.4. The method of claim 3 , further comprising: determining that the beam tracking failure is detected if the UE determines that the at least one serving beam becomes invalid.5. The method of claim 4 , wherein the UE determines that the at least one serving beam becomes invalid if the UE does not receive a signal or an indication via the at least one serving beam within a predetermined period of time.6. The method of claim 4 , wherein the UE determines that the at least one serving beam becomes invalid if a timer expires or a counter reaches a predetermined value.7. The method of claim 3 , wherein the UE prevents the flushing of the UL HARQ buffer in response to the occurrence of the beam tracking failure.8. The method of claim 1 , ...

METHODS AND DEVICES FOR TRANSMITTING AND RECEIVING PILOT SIGNAL

The present disclosure provides methods and devices for transmitting and receiving a pilot signal, so as to reduce the number of antenna ports for transmitting the pilot signal and reduce pilot resource consumption. The method for transmitting the pilot signal includes: generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; and transmitting, by the base station, the pilot signals to a UE through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port. 1. A method for transmitting a pilot signal , comprising:generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; andtransmitting, by the base station, the pilot signals to a User Equipment (UE) through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port.2. The method according to claim 1 , wherein a pilot signal formed by a resultant beam of a plurality of narrow beams, beam directions of the plurality of narrow beams are orthogonal to each other, or', 'a pilot signal formed by a resultant beam of a plurality of narrow beams, beam directions of the plurality of narrow beams are at an angle above a first predetermined threshold to each other,, 'the pilot signal formed by the plurality of narrow beams comprisesthe wide beam and the narrow beams meet a condition that the wide beam covers the narrow beams having beam directions that are at an angle below a second predetermined threshold to each ...

ELECTRONIC DEVICE AND METHOD IN WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION SYSTEM

An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks. 1. An electronic device at a user equipment end in a wireless communication system , the electronic device comprising processing circuitry configured to:estimate and report wideband channel state information to a base station in response to a wideband reference signal from the base station;determine whether a communication quality between the user equipment and the base station is lower than a predetermined threshold;transmit a quality report, in a case where it is determined that the communication quality is lower than the predetermined threshold, to the base station; andreceive, from the base station, subband reference signal and an estimation instruction for indication the electronic device to estimate subband channel state based on the subband reference signal;generate subband channel state information to be sent to the base station according to the subband reference signal, for the base station to determine an effective precoding codebook based on the subband channel state information.2. The electronic device according to claim 1 , the electronic device further comprising a transceiver configured to: ...

RESOURCE ALLOCATION FOR BEAM SWEEP

A method, system and apparatus are disclosed. In one example, a network node configured for performing dual beam sweep, the dual beam sweep including a physical downlink control channel (PDCCH) beam sweep and a corresponding physical downlink shared channel (PDSCH) beam sweep that are separated in time to each other. The network node is configured to, and/or including a radio interface and/or including processing circuitry configured to: configured to: indicate, in a PDCCH transmission within the PDCCH beam sweep, a time domain resource allocation for the corresponding PDSCH beam, the time domain resource allocation corresponding to an offset in time slots between the PDCCH beam and the corresponding PDSCH beam, the offset being one of a plurality of offsets that can be indicated for the corresponding PDSCH beam; and perform the dual beam sweep using at least in part the indication. 1. A network node for performing dual beam sweep , the dual beam sweep including a physical downlink control channel (PDCCH) beam sweep and a corresponding physical downlink shared channel (PDSCH) beam sweep that are separated in time to each other , the network node comprising processing circuitry configured to:indicate, in a PDCCH transmission within the PDCCH beam sweep, a time domain resource allocation for the corresponding PDSCH beam, the time domain resource allocation corresponding to an offset in time slots between the PDCCH beam and the corresponding PDSCH beam, the offset being one of a plurality of offsets that can be indicated for the corresponding PDSCH beam; andperform the dual beam sweep using at least in part the indication.2. The network node of claim 1 , wherein the time domain resource allocation comprises a plurality of time domain resource configurations and wherein each of the plurality of time domain resource allocations comprises an offset.3. The network node of claim 1 , further configured to determine to use an extended time resource allocation claim 1 , ...

System and Method for Beamed Reference Signal With Hybrid Beam

Described is an apparatus of an Evolved Node-B (eNB). The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to associate a first Beam Reference Signal (BRS) for a first Transmit (Tx) beam having a first beamwidth with one or more second BRSes for one or more respectively corresponding second Tx beams having a second beamwidth. The second circuitry may be operable to generate a first BRS transmission carrying the first BRS, and to generate one or more second BRS transmissions carrying the one or more respectively corresponding second BRSes. The third circuitry may be operable to provide information regarding the first BRS and the second BRSes to the second circuitry. 1. An apparatus of an Evolved Node-B (eNB) operable to communicate with a User Equipment (UE) on a wireless network , comprising: associate a first Beam Reference Signal (BRS) for a first Transmit (Tx) beam with one or more second BRSes for one or more respectively corresponding second Tx beams;', 'generate a first BRS transmission to the UE carrying the first BRS based at least in part on the association of the first BRS with the one or more second BRSes; and', 'generate one or more second BRS transmissions to the UE carrying the one or more respectively corresponding second BRSes based at least in part on the association of the first BRS with the one or more second BRSes,', 'wherein the association of the first BRS with the one or more second BRSes is configured by at least one of: a Master Information Block (MIB) transmission, a System Information Block (SIB) transmission, a Primary Synchronization Signal (PSS) transmission, or a Secondary Synchronization Signal (SSS) transmission., 'one or more processors configured to2. The apparatus of claim 1 , wherein the association of the first BRS with the one or more second BRSes is predetermined.3. The apparatus of claim 1 , wherein the first Tx beam has a radial span substantially ...

Devices, Methods And Computer Programs For Two-Way Beam Failure Recovery In Wireless Communications

Example wireless communications methods and apparatus with two-way beam failure recovery are disclosed. One example method includes receiving a downlink beam failure recovery request by a network device from a client device indicating at least one new downlink candidate beam determined to replace at least one failed downlink beam. The network device detects at least one failed uplink beam, determines at least one new uplink candidate beam to replace the detected at least one failed uplink beam, and generates uplink redirection information indicating the determined at least one new uplink candidate beam. A response including the generated uplink redirection information is generated by the network device, and transmitted to the client device.

Techniques for configuring reference signals

Certain aspects of the present disclosure provide techniques for configuring reference signals. A method that may be performed by a user equipment (UE) includes receiving a control message indicating a first quasi co-location (QCL) for an aperiodic-tracking reference signal (A-TRS), the A-TRS being associated with a periodic-tracking reference signal (P-TRS), determining a second QCL for the P-TRS based on the first QCL for the A-TRS, setting a receive beam for reception of the P-TRS based on the second QCL of the P-TRS, and decoding one or more frames based on channel statistics estimated via the P-TRS received via the receive beam.

Method and apparatus for handover

A method and apparatus for handover is provided. In a network environment in which a plurality of beams are provided within a base station, a terminal measures signal strength of a serving beam and signal strength of a target beam and transmits a measurement report message when a first condition or a second condition is satisfied. The base station determines inter-beam coordinated scheduling when the signal strength of the serving beam and target beam satisfy the first condition, and determines handover between beams when the signal strength of the serving beam and target beam satisfy the second condition. The base station transmits a message for commanding handover to the terminal when the handover between beams is determined. The terminal then stops communicating with the serving beam and performs handover to the target beam.

REFERENCE SIGNAL FOR RECEIVE BEAM REFINEMENT IN CELLULAR SYSTEMS

User Equipment (UE) and base station (eNB) apparatus and methodology for adjusting receive beamforming. A beam refinement reference signal (BRRS) is transmitted with the same transmit beam direction on which data is to be transmitted. While receiving the BRRS, the receiver varies its receive beam direction and measures a signal characteristic of reception of the BRRS to determine a refined receive beam direction. The refined receive beam direction is used to receive the data. 130.-. (canceled)31. Apparatus of user equipment (UE) configured for receive beamforming , the apparatus comprising:memory; andprocessing circuitry to control the apparatus to:identify reception of a beam refinement reference signal (BRRS) that is transmitted with a same transmit beam direction on which data is to be transmitted;during reception of the BRRS, vary receive beam direction and measure a signal characteristic of the BRRS to find a refined receive beam direction; anduse the refined receive beam direction to receive the data.32. The apparatus of claim 31 , wherein the processing circuitry is further configured to:decode a channel state information reference signal (CSI-RS) using the refined receive beam direction.33. The apparatus of claim 32 , wherein the CSI-RS is received on a same transmit beam direction on which the BRRS is transmitted.34. The apparatus of claim 32 , wherein the CSI-RS is received on a different transmit beam direction than the transmit beam direction on which the BRRS is transmitted.35. The apparatus of claim 31 , wherein the BRRS includes a plurality of BRRS sequences in a set of contiguous subcarriers.36. The apparatus of claim 31 , wherein the BRRS includes a plurality of BRRS sequences in a set of non-contiguous interleaved subcarriers.37. The apparatus of claim 31 , wherein the refined receive beam direction is determined based on a maximization algorithm that varies the receive beam direction in response to the signal characteristic measurement.38. The ...

A Network Node, A Wireless Device, and Methods Therein for Beam Selection

A Network Node (NN) and a method therein for beam selection. When an upcoming ability to serve a Wireless Device (WD) using a current NN beam is predicted to be lost based on historic data, the NN selects an upcoming NN beam out of one or more candidate NN beams that are able to serve the WD when the NN has lost ability to serve the WD using the current NN beam. The NN configures a dedicated Beam Reference Signal (BRS) for the upcoming NN beam, which is to be detected in beam selection by the WD when the NN loses ability to serve the wireless device using the current NN beam. By means of the current NN beam, the NN transmits, to the WD, a configuration of the dedicated BRS. Further, by means of the upcoming NN beam, the NN transmits, to the WD, the dedicated BRS. 150.-. (canceled)51. A method performed by a network node for beam selection , wherein the network node and a wireless device are operating in a wireless communications network , wherein the wireless device is served by the network node using a current network node beam , and wherein the method comprises:selecting an upcoming network node beam when an upcoming ability to serve the wireless device using the current network node beam is predicted to be lost based on historic data relating to at least one signal quality of one or more candidate network node beams at one or more positions located within coverage of the wireless communications network and relating to one or more movement patterns of one or more wireless devices operating within coverage of the wireless communications network, wherein the upcoming network node beam is selected from the one or more candidate network node beams that are able to serve the wireless device when the network node has lost ability to serve the wireless device using the current network node beam;configuring a dedicated beam reference signal for the upcoming network node beam, which upcoming network node beam is to be detected in beam selection by the wireless device when ...

Beam Sweep or Scan in a Wireless Communication System

A user equipment is configured for use in a wireless communication system. The user equipment in this regard is configured to detect an orientation of an equipment coordinate frame defined for the user equipment relative to an earth coordinate frame defined for Earth. The user equipment is also configured to determine, based on the detected orientation, a set) of beams defined in the equipment coordinate frame which does not include any beam pointing in one or more predefined directions in the earth coordinate frame. The user equipment is further configured to perform a beam sweep or scan on the determined set of beams. 1. A method performed by a user equipment configured for use in a wireless communication system , the method comprising:detecting an orientation of an equipment coordinate frame defined for the user equipment relative to an earth coordinate frame defined for Earth;determining, based on the detected orientation, a set of beams defined in the equipment coordinate frame which does not include any beam pointing in one or more predefined directions in the earth coordinate frame; andperforming a beam sweep or scan on the determined set of beams.2. The method of claim 1 , wherein the one or more predefined directions include a vertically down direction.3. The method of claim 1 , wherein the one or more predefined directions include a vertically upward direction.4. The method claim 1 , further comprising deciding whether the set beams is to not include any beam pointing in at least one of the one or more predefined directions claim 1 , based on evaluating one or more predefined criteria.5. The method of claim 4 , wherein at least one criterion of the one or more predefined criteria comprises types of access nodes between which the user equipment is or will hand off.6. The method of claim 4 , wherein at least one criterion of the one or more predefined criteria comprises an altitude at which the user equipment is detected claim 4 , estimated claim 4 , or ...

FILTER COEFFICIENT CONFIGURATION IN NEW RADIO SYSTEMS

Aspects of filtering coefficient configuration operations are described. Some aspects include a user equipment (UE) decoding a measurement configuration information element (IE) including a measurement quantity parameter, a reference signal (RS)-type filter configuration and at least one filter coefficient. In some aspects, the UE filters at least one of a cell measurement result and a beam measurement result, according to the measurement configuration IE. If the measurement quantity parameter indicates the cell measurement quantity, the UE can filter the cell measurement result according to the RS type filter configuration and the filter coefficient to determine a measurement evaluation input for a measurement reporting operation. If the measurement quantity parameter indicates the beam measurement quantity, the UE can filter the beam measurement result according to the RS type filter configuration and the filter coefficient to determine a beam measurement selection input for a beam measurement selection operation. 1. (canceled)2. An apparatus of a user equipment (UE) , the apparatus comprising: memory; and processing circuitry configured to:decode radio-resource configuration (RRC) signalling comprising RRC reconfiguration information to determine a measurement configuration and a reporting configuration;configure the UE to perform measurements in accordance with the measurement configuration and to perform measurement reporting in accordance with the reporting configuration, the measurement configuration comprising up to two measurement quantity configurations for different reference signal (RS) types for per-beam measurement and for per-cell measurements;configure the UE to perform layer 3 (L3) filtering with different L3 filter coefficients for the different RS types based on the measurement configuration; andencode a measurement report for transmission based on the reporting configuration, the measurement report encoded to include results from the L3 filtering ...

ELECTRONIC DEVICE AND COMMUNICATION METHOD

An electronic device used in a first communication device side is configured for determining a simplified scheme for beam sweeping to be performed on a first channel from the first communication device to a second communication device and a second channel from the second communication device to the first communication device based on beam correspondence information of transmitting and receiving beams of the first communication device. 1. An electronic device used in a first communication device side including:processing circuitry configured to:determine a simplified scheme for beam sweeping to be performed on a first channel from the first communication device to a second communication device and a second channel from the second communication device to the first communication device based on beam correspondence information of transmitting and receiving beams of the first communication device.2. The electronic device according to claim 1 , wherein the beam correspondence information of transmitting and receiving beams of the first communication device is used for indicating a corresponding relation between a maximum transmitting beam and a maximum receiving beam of the first communication device.3. The electronic device according to claim 1 , the processing circuitry is further configured to:acquire the beam correspondence information of transmitting and receiving beams of the first communication device.4. The electronic device according to claim 3 , wherein acquiring the beam correspondence information of transmitting and receiving beams of the first communication device by beam sweeping performed in advance on the first channel and the second channel.5. The electronic device according to claim 4 , wherein acquiring the beam correspondence information of transmitting and receiving beams of the first communication device by beam sweeping performed in advance on the first channel and the second channel including:performing a beam sweeping on the first channel using a ...

SECTOR LEVEL SWEEP METHOD AND APPARATUS

A sector level sweep method and apparatus are provided. A local end generates a first sector sweep packet at the local end sector sweep stage, and the local end sends the first sector sweep packet to a peer end by using a first beam. A quantity of bytes of the first sector sweep packet is not greater than 27, the first sector sweep packet includes beam indication information of the first beam, the beam indication information includes antenna identification information of the beam, and a maximum quantity of antennas indicated by the antenna identification information is at least 8. 1. A sector level sweep method , comprising:generating, by a local end, a first sector sweep packet at a local end sector sweep stage; andsending, by the local end, the first sector sweep packet to a peer end by using a first beam, whereina quantity of bytes of the first sector sweep packet is 27; andthe first sector sweep packet comprises beam indication information of the first beam, the beam indication information comprises antenna identification information of the beam.2. The method according to claim 1 , wherein the beam indication information further comprises beam identification information of the beam; anda maximum quantity of beams indicated by the beam identification information of the beam is at least 2048.3. The method according to claim 1 , wherein the beam indication information further comprises countdown identification information corresponding to the beam at the local end sector sweep stage; anda maximum quantity of beams indicated by the countdown identification information of the beam is at least 16384.4. The method according to claim 1 , wherein before the generating claim 1 , by a local end claim 1 , a first sector sweep packet claim 1 , the method further comprises:receiving, by the local end, a second sector sweep packet by using a second beam at a previous peer end sector sweep stage adjacent to the local end sector sweep stage, wherein the second sector sweep ...

Antenna Diversity for Beacon Broadcasting in Directional Wireless Network

Antenna diversity for beacons. An access point device may include multiple antenna arrays. A series of beacons may be transmitted using each of the antenna arrays in sequence. The beacons may include configuration information usable by wireless devices to determine when to respond to the beacons. The access point may receive responses during a series of response periods, using each of the antenna arrays. 1. A wireless device comprising:a radio; and [ an indication of a respective antenna array used by the access point to transmit the respective beacon, wherein each respective antenna array is one of a plurality of antenna arrays of the access point;', 'an indication of a duration of a beacon sweep period; and', 'an association beamforming training multiplier subfield;, 'receive at least one beacon from an access point, wherein each respective beacon of the at least one beacon includes, 'determine a time of a particular response period associated with a particular beacon of the at least one beacon, wherein said determining the time of the particular response period is based at least in part on the indication of the respective antenna array, the association beamforming training multiplier subfield, and the indication of the duration of the beacon sweep period; and', 'transmit a response to the access point, wherein the response is transmitted during the particular response period., 'one or more processors operably connected to the radio, wherein the one or more processors are configured to cause the wireless device to2. The wireless device of claim 1 , wherein the one or more processors are further configured to cause the wireless device to claim 1 ,take at least one measurement of channel characteristics of the at least one beacon, wherein the determination of the time of the particular response period is further based at least in part on the at least one measurement.3. The wireless device of claim 2 , wherein the at least one measurement indicates that the ...

METHOD OF CSI REPORTING

A method of Channel State Information (CSI) reporting in a wireless communication system includes performing, with a user equipment (UE), advanced CSI reporting based on a high resolution CSI feedback scheme. The advanced CSI reporting includes a beam index that identifies each of beams and amplitude of the beam corresponding to the beam index. The performing performs the advanced CSI reporting using a Physical Uplink Control Channel (PUCCH) format 3/4/5. The beam index and the amplitude are located in the PUCCH format 3/4/5. The performing performs first advanced CSI reporting and performs second advanced CSI reporting after performing the first advanced CSI reporting. The first advanced CSI reporting includes one of the beam index and the amplitude. The second advanced CSI reporting includes the beam index or the amplitude that is not included in the first advanced CSI reporting. 1. A method of Channel State Information (CSI) reporting in a wireless communication system , the method comprising:performing, with a user equipment (UE), advanced CSI reporting based on a high resolution CSI feedback scheme,wherein the advanced CSI reporting includes a beam index that identifies each of beams and amplitude of the beam corresponding to the beam index.2. The method according to claim 1 ,wherein the performing performs the advanced CST reporting using a Physical Uplink Control Channel (PUCCH) format 3/4/5, andwherein the beam index and the amplitude are located in the PUCCH format 3/4/5.3. The method according to claim 1 ,wherein the performing performs first advanced CSI reporting,wherein the performing performs second advanced CSI reporting after performing the first advanced CSI reporting,wherein the first advanced CSI reporting includes one of the beam index and the amplitude, andwherein the second advanced CSI reporting includes the beam index or the amplitude that is not included in the first advanced CSI reporting.4. The method according to claim 3 ,wherein the ...

TAG WITH ORIENTATION INDEPENDENT ANTENNA

A tag incorporated with a directional antenna. Directional antennas may utilize devices equipped with orientation-independent antennas to determine the location of radio frequency signals emitted by other objects. The system can exist in many different customizable configurations, sometimes utilizing orientation-independent antennas embedded in the tag. 1. An item tracker comprising:a power source; a set of antenna elements, the elements including at least four radiating segments, with each segment generally facing in a selected one of four different orthogonal directions;', 'at least two of the radiating segments providing a respective horizontal and vertical polarization;', 'a selector module situated within the antenna structure, the selector module providing at least a horizontal and vertical polarization transmission line extending from corresponding horizontal and vertical polarization segments of the four sets of radiating elements; and', 'a combining circuit connected to the transmission lines, to selectively enable a directional mode, omnidirectional mode, and polarization modes.', 'the antenna configured to send one or more radio frequency (RF) transmissions in different selected directions;', 'the item tracker configured to provide an alert condition when a receiving device receives a predetermined one or more RF transmissions., 'an antenna structure comprising2. The item tracker of wherein the alert condition is an audible alarm.3. The item tracker of wherein the alert condition is one or more flashing lights.4. The item tracker of wherein the item tracker is a mobile electronic device.5. The item tracker of wherein the item tracker is a Bluetooth tag. This application claims priority to U.S. Provisional Patent Ser. No. 62/684,625 filed Jun. 13, 2018 entitled “Tag with Orientation Independent Antenna” and is a continuation in part of a co-pending U.S. patent application Ser. No. 15/861,739 filed Jan. 4, 2018 entitled “Indoor Positioning System Utilizing ...

COMMUNICATION DEVICE AND METHOD USING VIRTUAL SECTOR FORMING

A communication device for RF-based communication with another communication device comprises antenna circuitry configured to transmit and receive RF signals, and beamform-ing circuitry configured to perform beamforming and to carry out a beam training procedure for finding a beam for use in transmitting and/or receiving RF signals and/or for channel estimation. The beamforming training procedure comprises at least two stages during which training signals are transmitted using different beams, wherein first beams used in a first stage have a larger beam sector than second beams used in a second stage and wherein the second beams are selected by forming a virtual best sector based on an evaluation of a predetermined metric obtained for the first beams in the first stage. 1. A communication device for RF-based communication with another communication device , said communication device comprising:antenna circuitry configured to transmit and receive RF signals, andbeamforming circuitry configured to perform beamforming and to carry out a beam training procedure for finding a beam for use in transmitting and/or receiving RF signals and/or for channel estimation, said beamforming training procedure comprising at least two stages during which training signals are transmitted using different beams, wherein first beams used in a first stage have a larger beam sector than second beams used in a second stage and wherein the second beams are selected by forming a virtual best sector based on an evaluation of a predetermined metric obtained for the first beams in the first stage.2. The communication device as claimed in claim 1 ,wherein the beamforming circuitry is configured to form the virtual best sector by selecting the two or more best first beams in terms of the evaluated predetermined metric obtained for the first beams in the first stage.3. The communication device as claimed in claim 2 ,wherein the beamforming circuitry is configured to form the virtual best sector by ...

METHODS FOR TRANSMITTING UPLINK SIGNAL AND DOWNLINK SIGNAL, UE AND BASE STATION

Embodiments of the present disclosure provide methods for transmitting an uplink signal and a downlink signal. A method for transmitting an uplink signal comprises detecting whether there is a beam failure; if there is a beam failure, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information; and transmitting a beam failure recovery request message to a base station, the beam failure recovery request message being used for informing the base station of at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information. A method for transmitting a downlink signal comprises detecting a beam failure recovery request message, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information in the UE; and transmitting a feedback message corresponding to the beam failure recovery request message. 1. A method for receiving a beam failure recovery request response by a terminal , the method comprising:transmitting a beam failure recovery request to a base station;identifying a search space for the beam failure recovery request response configured by the base station;monitoring a downlink control channel based on the identified search space, by using an identifier of the beam failure recovery request; andreceiving the beam failure recovery request response on the downlink control channel.2. The method of claim 1 , wherein the identifier of the beam failure recovery request is a cell radio network temporary identifier (C-RNTI).3. The method of claim 1 , further comprising:receiving information on reference signals identifying a candidate beams for beam failure recovery.4. The method of claim 3 , further comprising:identifying at least one reference signal of which reference signal receiving power (RSRP) is greater than a predetermined threshold, based on the ...

BEAM SELECTION FOR A RADIO TRANSCEIVER DEVICE

There is provided mechanisms for beam selection. A method is performed by a first radio transceiver device. The method comprises obtaining link quality estimates of a radio signal conveyed to the first radio transceiver device from a second radio transceiver device by means of at least a first beam taken from a first beam set and a second beam. The second beam is wider than the first beam. The method comprises selecting which one of the first beam and the second beam to use for continued communications of radio signals with the second radio transceiver device in accordance with a comparison between the link quality estimates of the first beam and compensated link quality estimates of the second beam. 1. A method for beam selection , the method being performed by a first radio transceiver device , the method comprising:obtaining link quality estimates of a radio signal conveyed to the first radio transceiver device from a second radio transceiver device by moans of by referring to at least a first beam taken from a first beam set and a second beam, wherein the second beam is wider than the first beam; andselecting which one of the first beam and the second beam to use for continued communications of radio signals with the second radio transceiver device in accordance with a comparison between the link quality estimates of the first beam and compensated link quality estimates of the second beam.2. The method according to claim 1 , wherein the radio signal is conveyed by being received by the first radio transceiver device in at least said first beam and said second beam.3. The method according to claim 1 , wherein the radio signal is conveyed by being transmitted by the second radio transceiver device in at least said first beam and said second beam.4. The method according to claim 1 , wherein the compensated link quality estimates of the second beam are defined as the link quality estimates of the second beam increased with a compensation value.5. The method ...

Communications Method And System, And Related Device

The present disclosure relates to communications methods, systems, and devices. One example communications method includes when a base station determines that a quasi-co-location (QCL) relationship exists between antenna ports of at least two serving cells in a same serving cell group, sending, by the base station and to user equipment (UE), QCL indication signaling used to indicate that the QCL relationship exists between the antenna ports of the at least two serving cells in the same serving cell group, where the same serving cell group is a group predefined according to a preset rule or is a group obtained after the base station groups serving cells allocated to the UE.

APPARATUS, SYSTEM AND METHOD OF BEAMFORMING AND BEAM TRACKING

For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration. 1. An apparatus comprising: process an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Beam Refinement Protocol (BRP) Receive (RX)/Transmit (TX) (BRP-RX/TX) packet from a beam tracking initiator, the EDMG BRP-RX/TX packet configured to request for simultaneous receive and transmit beam tracking; and', 'transmit a packet to the beam tracking initiator, the packet to the beam tracking initiator comprising feedback from the beam tracking responder based on the EDMG BRP-RX/TX packet; and, 'a processor comprising logic and circuitry configured to cause a beam tracking responder toa memory to store information processed by the processor.2. The apparatus of claim 1 , wherein the EDMG BRP-RX/TX packet comprises a non-EDMG Header (L-Header) and an EDMG Header A claim 1 , wherein a “beam tracking request” field in the L-Header comprises a value 0 claim 1 , and wherein an “RX Training (TRN) Units per each TX TRN-Unit” field in the EDMG Header A has a value greater than 0 claim 1 , and an “EDMG TRN length” field in the EDMG Header A has a value greater than 0.3. The apparatus of claim 2 , wherein an “EDMG beamtracking request” field ...

APPARATUS, SYSTEM AND METHOD OF BEAMFORMING AND BEAM TRACKING

For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration. 1. An apparatus comprising: transmit an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Beam Refinement Protocol (BRP) Receive (RX)/Transmit (TX) (BRP-RX/TX) packet to a beam tracking responder, the EDMG BRP-RX/TX packet configured to request for simultaneous receive and transmit beam tracking; and', 'process a packet from the beam tracking responder, the packet from the beam tracking responder comprising feedback from the beam tracking responder based on the EDMG BRP-RX/TX packet; and, 'a processor comprising logic and circuitry configured to cause a beam tracking initiator toa memory to store information processed by the processor.2. The apparatus of configured to cause the beam tracking initiator to set a non-EDMG Header (L-Header) and an EDMG Header A in the EDMG BRP-RX/TX packet claim 1 , wherein a “beam tracking request” field in the L-Header comprises a value 0 claim 1 , and wherein an “RX Training (TRN) Units per each TX TRN-Unit” field in the EDMG Header A has a value greater than 0 claim 1 , and an “EDMG TRN length” field in the EDMG Header A has a value greater than 0.3. The apparatus of configured to cause the ...

Low latency beam alignment

A user equipment (UE) establishes a connected discontinuous reception cycle including one or more onDurations with a currently camped base station. When the one or more onDurations is scheduled, the UE utilizes an active mode of processing and when the one or more onDurations are not scheduled the UE utilizes a sleep mode of inactivity. The UE receives an indication of a plurality of reference signals that are to be transmitted during a first onDuration, each reference signal is (i) to be included in a transmitter beam and (ii) associated with an uplink resource, receives a plurality of reference signals, each reference signal being associated with one of the transmitter beams, selects one of the plurality of transmitter beams based on measuring the included reference signal and transmits an indication of the selected one of the plurality of transmitter beams on the uplink resource associated with the included reference signal.

Wireless communication apparatus and wireless communication method

A wireless communication apparatus comprising: a frame configuration circuit that generates a transmission frame including DMG beacons, wherein sector ID fields in SSW fields included in the respective DMG beacons indicate one or more transmit sectors used for directional transmissions of the respective DMG beacons, and a field different from the sector ID field included in each DMG beacon indicates whether or not there is quasi-omni transmission; and a transmission wireless circuit that performs, by using the transmit sector indicated by the sector ID field, directional transmission on a first DMG beacon that is included in the DMG beacons and in which the field different from the sector ID field indicates non-quasi-omni transmission and performs quasi-omni transmission on a second DMG beacon that is included in the DMG beacons and in which the different field indicates quasi-omni transmission, in a BTI.

Channel estimation method and apparatus

This application discloses a channel estimation method and apparatus, and relates to the field of communications technologies, to help reduce indication overheads. The method may include: generating and sending indication information. The indication information is used to indicate K N-dimensional spatial-domain component vectors, L M-dimensional frequency-domain component vectors, and a weight matrix, to indicate to construct an M×N-dimensional spatial-frequency matrix, or an M×N or N×M spatial-frequency matrix.

CO-SCHEDULING OF TERMINAL DEVICES

There is provided mechanisms for evaluating co-scheduling of terminal devices. A method is performed by a network node. The method comprises obtaining an indication that a terminal device served by the network node is involved in a data session being longer than a threshold time value. The method comprises initiating, as a result of the data session being longer than the threshold time value, a beam sweep procedure using analog beamforming with the terminal device. The beam sweep procedure results in identification of a set of candidate beams in which the network node is able to serve the terminal device during the data session. The method comprises evaluating whether to co-schedule the terminal device with another terminal device in any of the candidate beams or not. The so-called another terminal device is also served by the network node. 1. A method for evaluating co-scheduling of terminal devices , the method being performed by a network node , the method comprising:obtaining an indication that a terminal device served by the network node is involved in a data session being longer than a threshold time value;initiating, as a result of the data session being longer than the threshold time value, a beam sweep procedure using analog beamforming with the terminal device, the beam sweep procedure resulting in identification of a set of candidate beams in which the network node is able to serve the terminal device during the data session; andevaluating whether to co-schedule the terminal device with another terminal device in any of the candidate beams or not, said another terminal device also being served by the network node.2. The method of claim 1 , wherein said another terminal device also is involved in a data session being longer than the threshold time value.3. The method of claim 1 , further comprising:selecting one of the candidate beams; andserving the terminal device and said another terminal device in said one of the candidate beams, thereby co-scheduling ...

USER TERMINAL

A user terminal according to one aspect of the present disclosure includes: a transmitting section that transmits information that indicates which beam correspondence that uses which downlink reference signal is supported; a receiving section that receives spatial relation information that indicates a downlink reference signal having a spatial relation with a sounding reference signal; and a control section that determines a spatial domain filter used to transmit an uplink signal, based on a spatial domain filter used to receive the downlink reference signal. 1. A user terminal comprising:a transmitting section that transmits information that indicates which beam correspondence that uses which downlink reference signal is supported;a receiving section that receives spatial relation information that indicates a downlink reference signal having a spatial relation with a sounding reference signal; anda control section that determines a spatial domain filter used to transmit an uplink signal, based on a spatial domain filter used to receive the downlink reference signal.2. The user terminal according to claim 1 , wherein the downlink reference signal is at least one of a Synchronization Signal Block (SSB) and a Channel State Information Reference Signal (CSI-RS).3. The user terminal according to claim 1 , wherein claim 1 , when a specification defines which beam correspondence that uses which downlink reference signal to indispensably support claim 1 , the transmitting section transmits the information.4. A user terminal comprising:a receiving section that receives spatial relation information that indicates a downlink reference signal having a spatial relation with a sounding reference signal; anda control section that determines whether or not to support a beam correspondence that uses the downlink reference signal, based on a configuration of the downlink reference signal.5. A user terminal comprising:a receiving section that receives spatial relation information ...

Communication Method and Communications Apparatus

Embodiments of this application provide a communication method and a communications apparatus. The method includes: receiving identification information of N beams of a target cell and random access channel configurations of M beams in the N beams, where N and M are positive integers; and determining a beam for accessing based on signal quality or signal strength of L beams in the N beams, the identification information of the N beams, and the random access channel configurations of the M beams, where L is a nonnegative integer. 1. A method , comprising:receiving, by a first network device from a second network device, identification information of N beams of a target cell and random access channel configurations corresponding to M beams in the N beams, wherein N and M are positive integers; andsending, by the first network device, the identification information of the N beams and the random access channel configurations corresponding to the M beams to a terminal.2. The method according to claim 1 , further comprising:receiving, by the first network device from the terminal, serving beam change information of the terminal, wherein the serving beam change information of the terminal comprises information of a change of a serving beam of the terminal that occurs within a preset time period; andsending, by the first network device, the serving beam change information of the terminal to the second network device, wherein the serving beam change information of the terminal is used by the second network device to determine a validity period of the random access channel configurations of the M beams.3. The method according to claim 1 , further comprising:receiving, by the first network device from the terminal, serving beam change information of the terminal, wherein the serving beam change information of the terminal comprises information of a change of a serving beam of the terminal that occurs within a preset time period;determining, by the first network device, a ...

NR (NEW RADIO) PRACH (PHYSICAL RANDOM ACCESS CHANNEL) CONFIGURATION AND MULTI-BEAM OPERATION

Techniques discussed herein can facilitate configuration and/or multi-beam operation of a NR (New Radio) PRACH (Physical Random Access Channel). One example embodiment employable at a UE (User Equipment) comprises processing circuitry configured to process higher layer signaling indicating a NR (New Radio) random access configuration; generate a random access preamble sequence based at least in part on the random access configuration; map the random access preamble sequence to a set of resources for each of a plurality of sets of beamforming weights; process N RARs (Random Access Responses) associated with the random access preamble sequence, wherein N is an integer greater than one; generate a random access Msg3 (message 3); and map N copies of the random access Msg3 to a PUSCH (Physical Uplink Shared Channel). 135-. (canceled)36. An apparatus configured to be employed in a UE (User Equipment) , comprising:a memory interface; and process higher layer signaling indicating a NR (New Radio) random access configuration;', 'generate a random access preamble sequence based at least in part on the random access configuration;', 'map the random access preamble sequence to a set of resources for each of a plurality of sets of beamforming weights;', 'process N RARs (Random Access Responses) associated with the random access preamble sequence, wherein N is an integer greater than one;', 'generate a random access Msg3 (message 3);', 'map N copies of the random access Msg3 to a PUSCH (Physical Uplink Shared Channel); and', 'send the NR random access configuration to a memory via the memory interface., 'processing circuitry configured to37. The apparatus of claim 36 , wherein a single MAC (Medium Access Control) PDU (Protocol Data Unit) comprises the N RARs.38. The apparatus of claim 36 , wherein the NR random access configuration comprises an indication of resources associated with multi-beam random access operation claim 36 , wherein the resources associated with multi-beam ...

First Node and Methods Therein in a Wireless Communications Network

A method performed by a first node for selecting a beam for a data transmission between a Multiple In Multiple Out (MIMO) antenna system used by the first node, and a second node in a wireless communications system is provided. The first node obtains () a direction from a reference point of the MIMO antenna system to the second node, based on location data defining a location of the second node. The first node then selects () a beam among available beams in the MIMO antenna system for a subsequent transmission to or from the second node. The beam is selected such that an angle between the obtained direction and a main lobe direction of the beam that is selected provides the smallest angle among the available beams in the MIMO antenna system. 118-. (canceled)19. A method , performed by a first node , for selecting a beam for a data transmission between a Multiple In Multiple Out (MIMO) antenna system used by the first node and a second node in a wireless communications system , the method comprising the first node:obtaining a direction from a reference point of the MIMO antenna system to the second node, based on location data defining a location of the second node;selecting a beam among available beams in the MIMO antenna system for a subsequent transmission to or from the second node, wherein the beam that is selected is selected such that an angle between the obtained direction and a main lobe direction of the beam that is selected provides the smallest angle among the available beams in the MIMO antenna system.20. The method of :wherein the location data comprises coordinates of the second node; translating the coordinates of the second node into a position vector of the second node; and', 'normalizing the position vector of the second node to obtain the direction from the reference point of MIMO antenna system to the second node., 'wherein the obtaining the direction comprises22. The method of claim 19 , further comprising:forming precoding matrices for the ...

FAILURE RECOVERY OF SIDELINK WITH BEAMFORMING

According to a first embodiment, a method may include transmitting, by a first user equipment, at least one sidelink failure indication using at least one sidelink failure recovery-specific configuration. The method may further include receiving, by the first user equipment, at least one sidelink failure response. The method may further include determining, by the first user equipment, at least one source-specific sidelink recovery mode associated with the at least one sidelink failure recovery-specific configuration. 137-. (canceled)38. An apparatus , comprising:at least one processor; andat least one memory including computer program code,wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to:when the apparatus is comprised in a first user equipment:transmit at least one sidelink failure indication using at least one sidelink failure recovery-specific configuration;receive at least one sidelink failure response; anddetermine at least one source-specific sidelink recovery mode associated with the at least one sidelink failure recovery-specific configuration; orwhen the apparatus is comprised in a second user equipment:receive at least one sidelink failure indication;identify at least one sidelink failure recovery-specific configuration associated with the received at least one sidelink failure indication;transmit at least one sidelink failure response using the identified at least one sidelink failure recovery-specific configuration; anddetermine at least one source-specific sidelink recovery mode associated with the at least one sidelink failure recovery-specific configuration.39. The apparatus according to claim 38 , wherein the at least one memory and the computer program code are configured to claim 38 , with the at least one processor claim 38 , cause the apparatus to:when the apparatus is comprised in the first user equipment, determine whether the source from which the at least ...

Beam management for radio frequency sensing

A method, apparatus, or computer-readable medium with instructions for beam management for radio frequency (RF) sensing at a wireless device. The wireless device performs a first beamsweep of an RF signal and measures a reflection of the RF signal based on the first beamsweep. The wireless device performs a second beamsweep of the RF signal, wherein the first beamsweep is based on a different parameter than the second beamsweep and measures the reflection of the RF signal based on the second beamsweep. The wireless device selects a beam for RF sensing based on the first beamsweep and the second beamsweep.

Techniques for modifying values transmitted in a measurement report for beam management

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may perform a cell search using a first set of beams. The UE may determine a channel condition value based at least in part on performing the cell search. The UE may modify the channel condition value based at least in part on at least one of: the first set of beams used to perform the cell search, a beam selected from the first set of beams, or a second set of beams that is different from the first set of beams and that is included in a beamforming codebook associated with the UE. The UE may transmit a measurement report that includes the modified channel condition value. Numerous other aspects are provided.

METHOD AND DEVICE FOR SELECTING AND ALLOCATING TRANSMISSION BEAM INDEX HAVING PRIORITY

The present invention relates to a method and a device for selecting and allocating a transmission beam index having a priority. The present invention, in this regard, relates to a method for transmission and reception by a base station in a wireless communication system capable of configuring a plurality of beams, the method comprising the steps of: transmitting a reference signal, using at least one transmission beam; receiving index information of the at least one transmission beam from a terminal; and scheduling a beam corresponding to one piece of information among the index information of the at least one transmission beam for the terminal, wherein the index information is the index information of the at least one transmission beam selected by the terminal on the basis of the priority pre-configured for the plurality of beams. 1. A transmission/reception method of a base station in a wireless communication system capable of forming a plurality of beams comprising:transmitting a reference signal using at least one transmission beam;receiving index information regarding at least one transmission beam from a terminal; andfrom among the index information regarding at least one transmission beam, scheduling a beam corresponding to one item of the index information for the terminal,wherein the index information is index information regarding the at least one transmission beam that the terminal selects from the plurality of beams, based on preset priorities of the plurality of beams.2. The method of claim 1 , further comprising:setting priority to the at least one transmission beam; andtransmitting information regarding the set priority.3. The method of claim 2 , wherein setting priority to the at least one transmission beam comprises:dividing the at least one or more beams into a plurality of groups each of which contains M beams adjacent to each other; andsetting part of beams in each group to have high priority and the remaining beams to have low priority.4. The ...

Full duplex backhaul radio with mimo antenna array

A intelligent backhaul radio have an advanced antenna system for use in PTP or PMP topologies. The antenna system provides a significant diversity benefit. Antenna configurations are disclosed that provide for increased transmitter to receiver isolation, adaptive polarization and MIMO transmission equalization. Adaptive optimization of transmission parameters based upon side information provided in the form of metric feedback from a far end receiver utilizing the antenna system is also disclosed.

Method in a network node and a network node for controlling communication between a radio base station and user equipments in a wireless communication system

The present invention relates to a network node and a method performed by the network node for controlling communication between a radio base station, RBS, and user equipments, UEs. The RBS has multiple antennas and uses beam forming when communicating with the UEs. The method comprises obtaining ( 702 ) information on an expected first propagation path direction interval between the RBS and UEs served by other neighboring RBSs, and obtaining ( 704 ) information on an expected second propagation path direction interval between the RBS and served UEs; defining ( 706 ) a first communication power limit for each of a plurality of beams according to the obtained information, the first limit being defined to suppress communication power in the first propagation path direction interval, when the plurality of beams are transmitted; and determining ( 708 ) antenna weights for each of the plurality of beams based on the defined first communication power limit.

Single user and multiuser multiple-input and multiple-output beamforming

This disclosure describes systems, methods, and devices related to multiple-input and multiple-output (MIMO) beamforming. A device may determine one or more short sector sweep frames associated with one or more antennas of the device. The device may cause to set one or more fields of at least one of the one or more short sector sweep frames to indicate an MIMO communication with one or more first devices. The device may identify one or more response frames from at least one of the one or more first devices based at least in part on the one or more short sector sweep frames.

SHORT SSW FRAME FORMAT FOR SLS BEAMFORMING PROCESS BETWEEN ENABLED, ASSOCIATED STATIONS, AND METHOD OF PREPARING WIRELESS COMMUNICATION

The AP can generate a distinctive 8 bit value, and fill the 8 most significant bits (MSBs) of the a 16 bit AID field to form a EDMG BSS AID. Beamforming can include a station performing a sector level sweep (SLS) process including transmitting, in sequence, a plurality of short sector sweep (SSW) frames to the other station using corresponding ones of the antenna sectors, and receiving, in sequence, a plurality of the short SSW frames from the other station, the short SSW frames having an addressing field format specifying a receiver address association ID (RA AID) and a transmitter address association ID (TA AID). The distinctive 8 bit value can be used as the AP AID. 1. A method of beam forming by a first station , the process comprising :receiving, at the first station, a first plurality of short sector sweep (short SSVV) frames transmitted in sequence from a plurality of antenna sectors of a second station, and transmitting, in sequence, a second plurality of the short SSW frames to the second station, the second plurality of short SSW frames having an addressing field format including a first portion specifying a receiver address association ID (RA AID) and a second portion specifying a transmitter address association ID (TA AID);wherein the addressing field format of the second plurality of short SSW frames has a length that is shorter than a sum of: a length of a transmitter address and a length of a receiver address in a SSW frame.2. The method of wherein a comparison of the RA AID or the TA AID with a previously attributed AID of the first station can be used in a determination of the AID of the first station.3. The method of wherein the first station is a non-AP station claim 1 , and the second station is also a non-AP station claim 1 , and wherein both the first station and the second station are associated to an AP station in a basic service set (BSS).4. The method of wherein the RA AID and the TA AID each have a length of 8 bits.5. The method of wherein ...

INTER-BEAM MOBILITY CONTROL IN MIMO COMMUNICATION SYSTEMS

Apparatus, systems, and methods to implement inter-beam mobility control in MIMO communication systems are described. In one example, apparatus of an evolved Node B (eNB) comprises circuitry to configure a periodic transmit (TX) beamforming process for a user equipment (UE), wherein a plurality of different TX beams are used in a plurality of different beamforming reference signals (BRS), receive, from the UE, a selected TX beam index which identifies a selected TX beam, and schedule subsequent transmissions to the UE on the selected TX beam. Other examples are also disclosed and claimed. 125-. (canceled)26. An apparatus of an evolved Node B (eNB) comprising circuitry to:configure a periodic transmit (TX) beamforming process for a user equipment (UE), wherein a plurality of different TX beams are used in a plurality of different beamforming reference signals (BRS);receive, from the UE, a selected TX beam index which identifies a selected TX beam; andschedule subsequent transmissions to the UE on the selected TX beam.27. The apparatus of claim 26 , further comprising circuitry to schedule a non-contention based Physical Random Access Channel (PRACH) procedure with a scheduled preamble index claim 26 , wherein the preamble index is to indicate the selected TX beam index.28. The apparatus of claim 26 , further comprising circuitry to transmit the selected TX beam index implicitly based on a 5G Physical Downlink Control Channel (xPDCCH).29. The apparatus of claim 28 , further comprising circuitry to configure the UE a neighbor TX beam index list via Radio Resource Control (RRC) signaling.30. The apparatus of claim 29 , further comprising circuitry to maintain a neighbor TX beam index list claim 29 , wherein the selected TX beam index may be included in the neighbor TX beam index list.31. The apparatus of claim 28 , further comprising circuitry to generate a scramble sequence based on the selected TX beam index claim 28 , wherein the scramble sequence is used to generate ...

User equipment and method for selection of csi reference signal and csi reporting in a beam forming system with multiple beams

A user equipment (UE) includes a receiver that receives multiple Reference Signals (RSs) transmitted using respectively different radio resources from a base station (BS), a processor that selects, out of RS Resource Indicators (RRIs) associated with the radio resources used for RS transmission, multiple RRIs, and a transmitter that transmits the multiple RRIs to the BS. The processor derives Channel State Information (CSI) in each of the RRIs using the RSs. The transmitter transmits the CSI corresponding to the multiple RRIs to the BS. The transmitter transmits the CSI corresponding to a part of the multiple RRIs. The transmitter transmits a RRI rank that indicates a number of the selected RRIs.

Signal processing using multiple sources

Aspects of the disclosure are directed to providing signals utilizing two or more sources. As may be implemented in accordance with one or more embodiments, a method and/or apparatus involves processing respective signals carrying broadcast data provided by different receiver circuits that respectively receive the same broadcast data. The signals received from the respective receiver circuits are equalized, and corresponding sets of the broadcast data from each of the equalized signals are selectively combined to provide a combined signal carrying the broadcast data. This approach may be used, for example, to generate broadcast data utilizing source data from two or more receivers, such as may be received on different signal mediums (e.g., over-the-air digital radio and Wi-Fi digital radio), and therein providing enhanced reception.

Transmissions between a baseband unit and a radio unit of transformed signals in a beam space

There is provided a method for exchanging spatial information of signals received from a User Equipment (UE) between a radio unit and a baseband unit. The method comprises: determining a channel estimate based on signals received from a User Equipment (UE); selecting a spatial transformation to be applied to the received signals, based on the channel estimate; and sending a set of signals transformed by the selected transformation to a baseband unit. A radio unit for implementing this method is also provided.

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING BEAM FAILURE RECOVERY REQUEST FOR SECONDARY CELL

A communication method and system for converging a 5generation (5G) communication system for supporting higher data rates beyond a 4generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology. A method performed by a terminal for beam failure recovery (BFR) on a secondary cell (SCell) in a wireless communication system comprises receiving information for BFR on an SCell including a scheduling request configuration for the BFR on the SCell; detecting beam failure on the SCell based on whether a number of beam failure instances within a preconfigured time duration exceeds a preconfigured number; and, as a response to detecting the beam failure on the SCell, transmitting a scheduling request for the BFR on the SCell based on the scheduling request configuration. 1. A method performed by a terminal for beam failure recovery (BFR) on a secondary cell (SCell) in a wireless communication system , the method comprising:receiving, from a base station, information for BFR on an SCell including a scheduling request configuration for the BFR on the SCell;detecting beam failure on the SCell based on whether a number of beam failure instances within a preconfigured time duration exceeds a preconfigured number; andas a response to detecting the beam failure on the SCell, transmitting, to the base station, a scheduling request for the BFR on the SCell based on the scheduling request configuration.2. The method of claim 1 , wherein the information for the BFR on the SCell includes a list of reference signals identifying candidate beams for the BFR on the SCell and a reference signal received power (RSRP) threshold for a candidate beam.3. The method of claim 2 , wherein the reference signals include at least one of a synchronization signal block (SSB) or a channel state information reference signal.4. The method of ...

METHOD AND APPARATUS FOR HANDLING SCHEDULING REQUEST (SR) CANCELLATION, RANDOM ACCESS (RA) PRIORITIZATION AND CONCURRENT OCCURRENCE OF BEAM FAILURE RECOVERY (BFR) ON PRIMARY CELL (PCELL) AND SECONDARY CELL (SCELL)

A communication method and system for converging a 5generation (5G) communication system for supporting higher data rates beyond a 4generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT- related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a terminal for handling scheduling request (SR) cancellation in a wireless communication system is provided. The method comprises identifying that at least one first SR is triggered, identifying whether each of the at least one first SR is triggered for beam failure recovery (BFR) of a secondary cell (SCell), and determining whether to cancel each of the at least one SR based on the identification. 1. A method performed by a terminal in a wireless communication system , the method comprising:identifying that at least one first scheduling request (SR) is triggered;identifying whether each of the at least one first SR is triggered for beam failure recovery (BFR) of a secondary cell (SCell); anddetermining whether to cancel each of the at least one first SR based on the identification.2. The method of claim 1 , further comprising:except for a second SR triggered for the BFR of the SCell, cancelling at least one third SR for buffer state report (BSR) triggered prior to media access control (MAC) protocol data unit (PDU) assembly among the at least one first SR when a MAC PDU including a BSR MAC control element (CE) is transmitted, the BSR MAC CE including buffer status up to a last event that triggered a BSR prior to the MAC PDU assembly.3. The method of claim 2 , further comprising:stopping each respective SR prohibit timer corresponding to the at least one third SR.4. The method of claim 1 , further comprising:except for a second SR ...

BEAM FAILURE PROCESSING METHOD, TERMINAL, AND NETWORK DEVICE

A beam failure processing method, a terminal and a network device are provided. The method includes: sending a beam failure recovery request to a network device in a case that a beam failure event occurs on an active BWP; and receiving, through a CORESET-BFR in a target downlink BWP, response information fed back by the network device according to the beam failure recovery request, where the target downlink BWP corresponds to at least two BWPs, and the at least two BWPs includes the active BWP. 1. A beam failure processing method , applied to a terminal side , comprising:sending a beam failure recovery request to a network device in a case that a beam failure event occurs on an active Bandwidth Part (active BWP); andreceiving, through a Control Resource Set for Beam Failure Recovery (CORESET-BFR) in a target downlink BWP, response information fed back by the network device according to the beam failure recovery request, wherein the target downlink BWP corresponds to at least two BWPs, and the at least two MVPs comprises the active BWP.2. The beam failure processing method according to claim 1 , wherein the receiving through the CORESET-BFR in the target downlink BWP the response information fed back by the network device according to the beam failure recovery request comprises:in a case that the target downlink BWP is the active BWP where the beam failure event occurs, receiving, through the CORESET-BFR in the target downlink BWP, the response information fed back by the network device according to the beam failure recovery request; orin a case that the target downlink BWP is different from the active BWP where the beam failure event occurs, switching to the target downlink BWP, and receiving, through the CO SET-BFR in the target downlink BWP, the response information fed back by the network device according to the beam failure recovery request.3. The beam claim 1 , failure processing method according to claim 1 , wherein the target downlink BWP is predefined claim ...

CONFIGURATION METHOD FOR BEAM FAILURE AND TERMINAL

A configuration method for beam failure and a terminal are provided, and the method includes: receiving notification signaling used to notify a change in a state of a cell, a cell group, or a carrier group; configuring at least one of a counter and a timer according to the change in the state of the cell, the cell group, or the carrier group, and/or, stopping a specific operation during a beam failure recovery procedure according to the change in the state of the cell, the cell group, or the carrier group, wherein the counter and the timer are a counter and a timer used for beam failure detection and configured by the terminal for the cell or a cell in the cell group or a cell in a carrier group. 1. A configuration method for beam failure applied to a terminal , wherein the configuration method for beam failure comprises:receiving a notification signaling used to notify a change in a state of a cell, a cell group, or a carrier group;configuring at least one of a counter and a timer according to the change in the state of the cell, the cell group, or the carrier group, and/or, stopping a specific operation during a beam failure recovery procedure according to the change in the state of the cell, the cell group, or the carrier group, wherein the counter and the timer are a counter and a timer used for beam failure detection and configured by the terminal for the cell or a cell in the cell group or a cell in a carrier group.2. The method according to claim 1 , wherein claim 1 , the change in the state of the cell comprises the cell being activated claim 1 , the cell being deactivated claim 1 , the cell being reactivated claim 1 , or the cell being changed;the change in the state of the cell group comprises the cell group being activated, the cell group being configured, the cell group being reconfigured, or the cell group being changed;the change in the state of the carrier group comprises the carrier group being activated, the carrier group being deactivated, the ...

Communication Devices for Efficient Beam Management

A first communication device receives a first signal, the first signal being transmitted by a second communication device using a first spatial-domain transmit filter; determines, based on the first signal, a Line-of-Sight characteristic associated with the first spatial-domain transmit filter, and transmits a first control message to the second communication device, the first control message indicating the Line-of-Sight characteristic associated with the first spatial-domain transmit filter. 1. A first communication device , comprising:a processor; and receive a first signal, the first signal being transmitted by a second communication device using a first spatial-domain transmit filter;', 'determine, based on the first signal, a Line-of-Sight characteristic associated with the first spatial-domain transmit filter; and', 'transmit a first control message to the second communication device, the first control message indicating the Line-of-Sight characteristic associated with the first spatial-domain transmit filter., 'a non-transitory computer-readable storage medium coupled to the processor and storing a program executable by the processor, the program including instructions to2. The first communication device according to claim 1 , wherein the program further includes instructions to:obtain location information associated with the second communication device; andselect a first spatial-domain receive filter based on the obtained location information associated with the second communication device; andwherein the instructions to receive the first signal comprise instructions to receive the first signal using the first spatial-domain receive filter.3. The first communication device according to claim 1 , wherein the instructions to transmit the first control message to the second communication device comprise instructions to:transmit the first control message in response to the Line-of-Sight characteristic associated with the first spatial-domain transmit filter ...

Electronic device, method and apparatus for wireless communication system, and storage medium

The present disclosure relates to electronic device, method and storage medium for a wireless communication system. One embodiment of the present disclosure proposes beam management based on matching condition of channel path parameters under different beams. An electronic device includes a processing circuitry configured to: estimate, based on reference signals which are transmitted from the transmitter of the wireless communication system based on at least one second beam included in coverage of a first beam, parameters for channel paths from the transmitter to the receiver corresponding to the second beam, and wherein a particular second beam of the at least one second beam is selected based on the estimated parameters for channel paths, and the estimated parameter for channel path corresponding to the particular second beam matches parameter for channel path corresponding to the first beam.

Autonomous selection of a physical downlink control channel beam

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, from a plurality of search space sets associated with a plurality of control resource sets, a subset of the plurality of search space sets to monitor. The UE may monitor the subset of the plurality of search space sets, to receive a downlink control information message, for a physical downlink control channel beam associated with the subset of the plurality of search space sets. Numerous other aspects are provided.

DISCOVERY OF NEIGHBOR NODES IN WIRELESS MESH NETWORKS WITH DIRECTIONAL TRANSMISSIONS

Wireless mesh networking protocols for directional transmissions in the PHY layer over multiple hops between a mix of mesh and non-mesh stations (STAs). Joint beamforming (BF) training and mesh network discovery is described including adaptive signaling with the mesh network. The mesh networking protocol can be utilized in a mix of wireless nodes including portals, access points (APs), personal control points (PCPs), and mesh stations (STAs). 1. (canceled)2. An apparatus for wireless communication with directional transmission , comprising:(a) a wireless communication circuit configured for wirelessly communicating with other wireless communication stations;(b) wherein said wireless communication circuit is configured with directional transmission having a plurality of antenna pattern sectors each having different transmission directions;(c) a processor coupled to said wireless communication circuit; and(d) a non-transitory memory storing instructions executable by the processor; (i) performing simultaneous beamform (BF) training and scanning for a network or a neighbor station, in which transmitting frames are swept through antenna pattern sectors;', '(ii) wherein the transmitting frames contain information about network ID and network capabilities in addition to BF training frame information including directional operation parameters and sector sweep information; and', (A) transmitting a sweep of discovery request frames across a group of antenna pattern sectors by said new node;', '(B) determining that discovery response frames have been received;', '(C) recording information on the network ID and network capabilities information with best sector information, when one or more discovery response frames are received; and', '(D) continuing transmitting a sweep of discovery request frames across another group of antenna pattern sectors, when a discovery frame is not received., '(iii) wherein a new node attempting to join the network sweeps a discovery signal to ...

Beam Measurement Reporting Method, Terminal Side Device and Network Side Device

The beam measurement reporting method provided by some embodiments of the present disclosure includes: acquiring measurement configuration information from the network side device; measuring, by the terminal side device in a connected state, a predetermined reference signal on a first predetermined quantity of transmission beams in accordance with the measurement configuration information; acquiring a measurement result of the predetermined reference signal on the first predetermined quantity of transmission beams; and performing a measurement reporting operation in accordance with the measurement result for the first predetermined quantity of transmission beams.

Wireless Communication Method, Terminal Device and Network Device

A wireless communication method, a terminal device, and a network device are provided. The method includes: a terminal device determines a plurality of transmitting beams from transmitting beams of a network device, and determines a receiving beam matched with each transmitting beam of the plurality of transmitting beams in at least two receiving beam groups of the terminal device; and the terminal device transmits a notification message to the network device, wherein the notification message is used for indicating the plurality of transmitting beams and the receiving beam matched with the each transmitting beam, and includes information to be used by the network device for distinguishing a receiving beam group to which the receiving beam matched with the each transmitting beam belongs and distinguishing the receiving beam matched with the transmitting beam in the receiving beam group. 1. A method for wireless communication , comprising:determining, by a terminal device, a plurality of transmitting beams from transmitting beams of a network device, and determining a receiving beam matched with each transmitting beam of the plurality of transmitting beams in at least two receiving beam groups of the terminal device; andtransmitting, by the terminal device, a notification message to the network device, wherein the notification message is used for indicating the plurality of transmitting beams and the receiving beam matched with the each transmitting beam, and comprises information to be used by the network device for distinguishing a receiving beam group to which the receiving beam matched with the each transmitting beam belongs and distinguishing the receiving beam matched with the transmitting beam in the receiving beam group.2. The method according to claim 1 , wherein in the at least two receiving beam groups claim 1 , different receiving beam groups correspond to different antenna panels of the terminal device.3. The method according to claim 1 , wherein the ...

TECHNIQUES FOR CONTROL OF BEAM SWITCHING

This disclosure relates to a beamforming controller for a beamforming transmitter device, the beamforming controller comprising a control element configured to: activate a first configuration state of a plurality of configuration states for a control channel, each configuration state indicating a beam direction of the control channel; control a beam switching of the control channel from the first configuration state to a second configuration state based on a beam direction of the control channel according to the first configuration state; and retransmit signaling of the beam switching based on a beam direction of the control channel according to both the first and the second configuration state if an acknowledgement to the beam switching is null, not received, missing or received in error. 1. A beamforming controller for a beamforming transmitter device , the beamforming controller comprising a control element configured to:activate a first configuration state of a plurality of configuration states for a control channel, each configuration state indicating a beam direction of the control channel;control a beam switching of the control channel from the first configuration state to a second configuration state based on a beam direction of the control channel according to the first configuration state; andretransmit signaling of the beam switching based on a beam direction of the control channel according to both, the first and the second configuration state if an acknowledgement to the beam switching is null, not received, missing or received in error.2. The beamforming controller of claim 1 ,wherein the control element is configured to activate the first configuration state for the control channel based on a plurality of transmission configuration indicator, TCI, states of a control channel resource set, CORESET, each of the TCI states associated with a respective downlink reference signal.3. The beamforming controller of claim 2 ,wherein the control element is ...

METHOD FOR BEAM RECOVERY PROCESSING, NETWORK-SIDE DEVICE AND MOBILE TERMINAL

A method for beam recovery processing, a network-side device, and a mobile terminal are provided. The method includes: transmitting, by a network-side device, a first indication message to a mobile terminal in response to that a preset trigger condition is met, where the first indication message is used to indicate a new beam pair link BPL, and the preset trigger condition includes that a beam recovery mechanism is determined to be initiated by the mobile terminal based on a measurement result of a downlink reference signal or a beam recovery mechanism is determined to be initiated by the network-side device based on a measurement result of an uplink reference signal; and switching to the new BPL for data transmission. 1. A method for beam recovery processing , comprising:transmitting, by a network-side device, a first indication message to a mobile terminal in response to that a preset trigger condition is met, wherein the first indication message is used to indicate a new beam pair link BPL, and the preset trigger condition comprises that a beam recovery mechanism is determined to be initiated by the mobile terminal based on a measurement result of a downlink reference signal or a beam recovery mechanism is determined to be initiated by the network-side device based on a measurement result of an uplink reference signal; and switching to the new BPL for data transmission.2. The method according to claim 1 , wherein before transmitting claim 1 , by the network-side device claim 1 , the first indication message to the mobile terminal claim 1 , the method further comprises:receiving target data that is transmitted, to the network-side device, by the mobile terminal according to the measurement result of a second metric of the downlink reference signal; anddetermining whether the preset trigger condition is met based on the target data, wherein the target data is a random access preamble of a physical random access channel PRACH, or a request message transmitted by the ...

TRANSMISSION BEAM DETERMINATION METHOD, TRANSMITTING END DEVICE AND RECEIVING END DEVICE

The present disclosure provides a transmission beam determination method, a transmitting end device and a receiving end device. The transmission beam determination method includes: transmitting, by the transmitting end device, beam training signals for N number of transmission beams to the receiving end device; receiving, by the transmitting end device, identification information about Q number of transmission beams in the N number of transmission beams and group information about each transmission beam in the Q number of transmission beams from the receiving end device, the Q number of transmission beams including G number of transmission beam groups, the G number of transmission beam groups being acquired by the receiving end device in accordance with a measurement result, the measurement result being a measurement result acquired after the receiving end device has received and measured the beam training signals from the transmitting end device; and determining, by the transmitting end device, that a signal is capable of being transmitted simultaneously to the receiving end device via transmission beams in the Q number of transmission beams belonging to different transmission beam groups. 1. A transmission beam determination method , comprising:transmitting, by a transmitting end device, beam training signals for N number of transmission beams to a receiving end device, N being a positive integer;receiving, by the transmitting end device, identification information about Q number of transmission beams in the N number of transmission beams and group information about each transmission beam in the Q number of transmission beams from the receiving end device, the Q number of transmission beams comprising G number of transmission beam groups, the G number of transmission beam groups being acquired by the receiving end device in accordance with a measurement result, the measurement result being a measurement result acquired after the receiving end device has received ...

USER TERMINAL AND RADIO COMMUNICATION METHOD

A terminal is disclosed including a transmitter that transmits a beam recovery request signal and a processor that controls the transmission of the beam recovery request signal. The transmission of the beam recovery request signal is controlled by the processor based on a received power that is measured using a channel state information reference signal (CSI-RS) resource or a synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel. In other aspects, a radio communication method is also disclosed. 16-. (canceled)7. A terminal comprising:a transmitter that transmits a beam recovery request signal; anda processor that controls the transmission of the beam recovery request signal based on a received power that is measured using:a channel state information reference signal (CSI-RS) resource ora synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel.8. The terminal according to claim 7 , wherein the processor further controls the transmission of the beam recovery request signal based on a received power that is measured using a CSI-RS resource or a SS block that is associated with a candidate beam.91. The terminal according to claim 7 , wherein the received power is a Layer Reference Signal Received Power (L1-RSRP).10. The terminal according to claim 7 , wherein the beam recovery request signal is a Physical Random Access Channel (PRACH) preamble.11. The terminal according to claim 7 , wherein the processor further decodes claim 7 , in a predetermined search space claim 7 , a downlink control channel for a response signal to the beam recovery request signal.12. A radio communication method comprising:transmitting a beam recovery request signal; andcontrolling the transmission of the beam recovery request signal based on a received power that is measured using:a channel state information reference signal (CSI-RS) resource ...

METHOD AND APPARATUS FOR BEAM MEASUREMENT AND MANAGEMENT IN WIRELESS SYSTEMS

A method of user equipment (UE) for beam management in a wireless communication system comprises receiving, from a base station (BS), at least two groups of Tx beams comprising transmit (Tx) signals generated from different antenna panels, the at least two groups of Tx beams transmitted through reference signals; receiving, from the BS, configuration information including a selection constraint for the at least two groups of Tx beams; measuring, based on the configuration information, at least one beam from each of the at least two groups of beams; selecting at least one Tx beam from each of the at least two groups and a same Rx beam set as an Rx beam corresponding to respective selected Tx beams; and transmitting, to the BS, a reporting message including information of the selected Tx beams and the selected same Rx beam set corresponding to the Rx beam. 1. A method for operating a user equipment (UE) in a wireless communication system , the method comprising:receiving, from a base station (BS), configuration information regarding a channel state information (CSI) reporting; andtransmitting, to the BS, report information based on the configuration information, the report information comprising first information for indicating a first transmit beam and second information for indicating a second transmit beam,wherein a receive beam of the UE is usable for receiving a first signal based on the first transmit beam and a second signal based on the second transmit beam.2. The method of claim 1 , wherein the first transmit beam and the second transmit beam are associated with the receive beam of the UE.3. The method of claim 1 , wherein the configuration information comprising information for configuring the UE to transmit a report for at least two transmit beams that are associated with a same receive beam of the UE claim 1 , andwherein the first transmit beam and the second transmit beam are identified based on the configuration information.4. The method of claim 1 , ...

BEAM INFORMATION FEEDBACK METHOD AND APPARATUS, AND CONFIGURATION INFORMATION FEEDBACK METHOD AND APPARATUS

The present invention provides a beam information feedback method and apparatus, and a configuration information feedback method and apparatus. The method comprises: a receive end receives a reference signal transmitted by a transmit end, wherein the reference signal is carried in one or more beam, or each reference signal group is carried in one beam, the reference signal group being a reference signal group obtained after grouping the reference signal according to a time-frequency-code resource; the receive end obtains a beam number or channel state information according to the reference signal; the receive end transmits a set containing the beam number and the channel state information to the transmit end. Therefore, the technical solution of the present invention resolves the problem of reduced diversity and multiplexing gain of a system because a transmit end is unable to perform accurate and flexible data transmission according to related characteristics of the receive end since the receive end is unable to feed back related characteristics of beams, thereby improving the effect of the diversity and multiplexing gain of the system. 141-. (canceled)42. A communication method , comprising:receiving, by a first communication node from a second communication node, a group of reference signals that are carried either on respective beams or on a same beam, wherein the group of reference signals are determined based on one or more time-frequency-code resources;determining, by the first communication node based on the group of reference signals, one or more beam indexes and channel state information; andtransmitting, by the first communication node to the second communication node, a set including the one or more beam indexes and the channel state information.43. The communication method of claim 42 , wherein one of the one or more beam indexes corresponds to a resource index.44. The communication method of claim 42 , wherein the set includes Q groups claim 42 , Q ...

COMMUNICATION SYSTEM WITH BEAM QUALITY MEASUREMENT

A method, performed by a communication device, comprising a) measuring a respective beam quality for each of a plurality of beams of a cell, b) identifying, within said plurality of beams, a first group of beams comprising a number, N, of beams, c) selecting, from within said first group of beams, a second group of beams comprising a number, M, of beams, and d) deriving a cell quality for the cell based on the measured beam qualities for the M beams of the second group. 1. A method , performed by a communication device , the method comprising:a) measuring a respective beam quality for each of a plurality of beams of a cell;b) identifying, within said plurality of beams, a first group of beams comprising a number, N, of beams wherein each beam of said first group exhibits a respective measured beam quality that is among N best measured beam qualities arising from said measuring;c) selecting, from within said first group of beams, a second group of beams comprising a number, M, of beams that have a measured beam quality that is better than, or equal to, a best measured beam quality for the beams within said first group less a preconfigured offset;d) deriving a cell quality for the cell based on the measured beam qualities for the M beams of the second group.2. The method according to claim 1 , further comprising reporting the cell quality to a base station in a measurement report.3. The method according to claim 2 , further comprising determining a correlation between at least one pair of beams of said first and/or second group.4. The method according to claim 3 , wherein information identifying said correlation is included in said measurement report separately from the derived cell quality.5. The method according to claim 3 , wherein the cell quality is further derived based on the determined correlation.6. The method according to claim 2 , wherein information identifying the number claim 2 , M claim 2 , of beams in the second group is included in said measurement ...

ENHANCED ESTABLISHMENT OF COMMUNICATION BETWEEN NODES IN A COMMUNICATION SYSTEM

The present disclosure relates to a wireless communication system () comprising a first network node () and a wireless device () and is adapted to establish communication between the first network node () and the wireless device (). The wireless device () is adapted to obtain information related to a geographic location of the wireless device (), to transmit the information related to the geographic location to the first network node (), and to transmit a Sounding Reference Signal, SRS, to the first network node (). The network node () is adapted to receive information related to a geographic location of the wireless device (), and to determine an antenna configuration of the first network node () for communicating with the wireless device () via a directive antenna (), based on the geographic location of the wireless device (). The network node () is furthermore adapted to communicate with the wireless device () by the first network node (), via the directive antenna (), by means of the determined antenna configuration. 1. A method for establishing communication between a first network node and a wireless device in a wireless communication system , performed by a network node , the method comprising;obtaining information related to a geographic location of the wireless device;determining an antenna configuration of the first network node for communicating with the wireless device via a directive antenna, based on the geographic location of the wireless device; andcommunicating with the wireless device by the first network node, via the directive antenna, using the determined antenna configuration.2. The method according to claim 1 , comprising:requesting the wireless device to transmit the information related to geographic location to the first network node.3. The method according to any claim 1 , wherein the obtaining of information comprises:receiving the information related to said geographic location via a directive beam of the directive antenna, wherein the ...

METHOD FOR MANAGING RADIO RESOURCES IN COMMUNICATION SYSTEM AND APPARATUS FOR THE SAME

A beam management method, performed by a terminal in a communication system, includes receiving a control message including at least one parameter used for beam management from a first base station, performing a monitoring operation on a first beam configured between the first base station and the terminal based on the at least one parameter, detecting a beam problem in the first beam based on the monitoring operation, and in response to determination that the beam problem is detected in the first beam, performing a recovery operation on the first beam. 1. A terminal in a communication system , the terminal comprising:a processor;a memory in electronic communication with the processor; andinstructions stored in the memory and operable, when executed by the processor, to cause the terminal to:configure one or more cells with a base station;receive resource information of a random access (RA) procedure for beam failure recovery (BFR) of a first cell among the one or more cells from the base station;receive configuration information including timer information for the BFR from the base station;perform a measurement operation in the first cell of the base station; andwhen beam failure is detected in the first cell, perform a non-contention-based RA procedure using the resource information of the RA procedure for the BFR in the first cell of the base station before a timer corresponding to the timer information expires.2. The terminal according to claim 1 , wherein the instructions further cause the terminal to:when the beam failure is detected in the first cell, perform a contention-based RA procedure in the first cell of the base station after the timer expires.3. The terminal according to claim 1 , wherein the non-contention-based RA procedure is not performed after the timer expires.4. The terminal according to claim 1 , wherein the resource information includes at least one of a RA preamble index claim 1 , masking information claim 1 , a preamble format of a ...

BEAM MANAGEMENT METHODS AND APPARATUS

Methods and apparatus for selecting a beam mode and/or beam for communicating with one or more devices are described. The beam mode selection maybe and sometimes is between a broad beam mode of operation and a narrow beam mode of operation with respect to a particular device. Communication with one or more device may happen at a given time with the preferred beam mode and/or choice for an individual device sometimes being replaced with a beam mode and/or beam choice which is preferable from an overall system perspective, e.g., because it allows data transmission and/QoS requirements to multiple devices to be supported better than would be achieved if the preferred beam mode and/or beam selection made with respect to an individual device was used. The beam mode and/or beam selected for traffic data communication sometimes is different from the beam mode and/or beam used for communicating control channel information. 1. A method of operating a first communications device , the method comprising;receiving, from a second communications device, signal quality information for a first period of time corresponding to beams transmitted by the first communications device;identifying a set of X broad beams having the best reported quality, said set of X beams including one or more broad beams;identifying a set of Y narrow beams having the best reported quality, said set of Y beams including one or more narrow beams;determining a first quality variance for the best Y beam for the first period of time; anddetermining a preferred beam mode based on at least the first quality variance, said preferred beam mode being one of a broad beam mode or a narrow beam mode.2. The method of claim 1 , wherein determining the preferred beam mode includes:determining if the first quality variance is greater than a first threshold; andsetting the preferred beam mode to narrow beam mode when it is determined that the first quality variance is not greater than the first threshold.3. The method of ...

Communication device and method for low-latency initial access to non-standalone 5g new radio network

A communication device initiates beam acquisition in a receive-only mode. Beam reception is set to an omni mode in which different beams of RF signals are receivable at the communication device from different directions. A primary signal synchronization (PSS) search is executed from each signal synchronization block location based on control information acquired directly from a first base station over a long-term evolution (LTE) control plane link or from a customer premise equipment (CPE) or user equipment (UE) that is in a radio resource control (RRC) connected state. The communication of the beam of RF signals that has highest received signal strength is activated in a new radio (NR) frequency to the UE or the CPE based on at least a PSS detected in the PSS search, for low-latency non-standalone access to the beam of RF signals in NR frequency at the UE or the CPE.

User terminal and radio communication method

To perform communication properly in a radio communication system for supporting different numerology from the existing LTE system, provided are a reception section that receives a broadcast channel set for each predetermined frequency band, and a control section that controls reception of the broadcast channel in each frequency band, and in broadcast channels that respectively correspond to different frequency bands, at least one of a size, a resource amount and notification contents is set independently.

Method by which d2d terminal forms communication link with communication device in wireless communication system, and apparatus for same

According to various embodiments, disclosed are a method by which a device-to-device (D2D) terminal (UE) forms a communication link in a wireless communication system, and an apparatus for the same. Disclosed are a method by which a D2D UE forms a communication link in a wireless communication system, and an apparatus for the same, the method comprising the steps of: acquiring load information on the load measured according to beam direction; selecting, on the basis of the load information, any one communication device among at least one communication device corresponding according to beam direction; and forming a communication link with the selected communication device.

BEAM FAILURE RECOVERY METHOD AND USER EQUIPMENT

The present disclosure provides a beam failure recovery method and a UE. The beam failure recovery method includes: performing beam failure recovery using non-contention-based random access; and performing the beam failure recovery using contention-based random access in the case that the non-contention-based random access fails. 1. A Beam Failure Recovery (BFR) method , comprising:performing BFR using non-contention-based random access;performing the BFR using contention-based random access in the case that the non-contention-based random access fails.2. The BFR method according to claim 1 , wherein the performing the BFR using the contention-based random access in the case that the non-contention-based random access fails comprises:detecting channel quality of a beam for which a non-contention-based random access resource for the BFR has been configured in the case that the non-contention-based random access fails;when the channel quality of the beam for which the non-contention-based random access resource for the BFR has been configured is smaller than a predetermined threshold, performing the BFR using the contention-based random access.3. The BFR method according to claim 1 , whereinMsg1 initial received target power of the contention-based random access for the BFR is Msg1 initial received target power preconfigured for the contention-based random access; and/oran Msg1 power ramping step of the contention-based random access for the BFR is an Msg1 power ramping step preconfigured for the contention-based random access.4. The BFR method according to claim 1 , wherein a maximum quantity of random access processes for determining that the BFR fails is one of:a maximum quantity of random access processes configured for the non-contention-based random access for the BFR;a maximum quantity of random access processes configured for the contention-based random access;a smaller one of the maximum quantity of random access processes configured for the non-contention- ...

METHODS AND DEVICES FOR DETERMINING SUITABLE TRANSMIT DIRECTIONS FOR BEAMFORMED TRANSMISSION

Methods, devices and computer programs for determining new transmit directions to use for beamformed transmissions in case the link quality of an existing direction falters. A transmitting communication device and a receiving communication device cooperate via a beam tracking procedure to determine a new suitable transmit direction to use for upcoming beamformed transmissions. Information relating to the beam tracking procedure is communicated over an existing link that enables communication between the transmitting and receiving communication devices. The receiving communication device provides the transmitting communication device with information about a beam scan performed in order to detect tracking beams transmitted by the transmitting communication device. This information allows the transmitting communication device to determine suitable transmit directions to use. 1. A method performed by a transmitting communication unit for determining beam directions to use for communication between the transmitting communication unit and a receiving communication unit , the transmitting communication unit and the receiving communication unit being connected through an existing radio link , wherein the method comprising:transmitting a message over the existing radio link to trigger the receiving communication unit to perform a beam scan;transmitting, according to a pre-determined transmission scheme, tracking beams in different transmit directions for the receiving communication unit to perform the beam scan to detect a transmitted tracking beam;receiving information relating to the outcome of the performed beam scan from the receiving communication unit over the existing radio link; anddetermining, based on the received information, a transmit direction to use for beamformed transmissions to the receiving communication unit.2. The method according to claim 1 , wherein the transmitting communication unit and the receiving communication unit are synchronized to a common ...