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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Применить Всего найдено 121. Отображено 95.
07-09-2017 дата публикации

FILTERING-BASED SIGNAL TRANSMISSION AND RECEIVING METHODS AND CORRESPONDING TRANSMITTER AND RECEIVER

Номер: US20170257238A1
Принадлежит:

A filtering-based signal transmission method is provided. The method includes a transmitter performing carrier modulation on each signal from at least one sub-band, and adding a cyclic prefix and a cyclic postfix thereto, respectively, performing time-domain filtering on the signal, added with the cyclic prefix and the cyclic postfix, from the respective sub-band, and transmitting the filtered signal from the at least one sub-band. The present disclosure further provides a filtering-based signal receiving method. The filtering-based signal receiving method includes performing, by a receiver, time-domain matched filtering, corresponding to at least one sub-band, on each received signal, removing, by the receiver, a cyclic prefix and a cyclic postfix from the filtered signal from the at least one sub-band, and performing carrier demodulation, respectively, and detecting and estimating, by the receiver, the demodulated signal from the at least one sub-band. 1. A filtering-based signal transmission method comprising:performing, by a transmitter, carrier modulation on each signal from at least one sub-band, and adding a cyclic prefix and a cyclic postfix to the each carrier modulated signal, respectively;performing, by the transmitter, time-domain filtering on the carrier modulated signal, added with the cyclic prefix and the cyclic postfix, from the respective sub-band; andtransmitting, by the transmitter, the filtered signal from the at least one sub-band.2. The method of claim 1 ,wherein the carrier modulation is based on a carrier modulation parameter corresponding to the respective sub-band, andwherein the carrier modulation parameter comprises at least one of sub-carrier spacing, a length of the cyclic prefix, a length of the cyclic postfix, and a total length of the cyclic prefix and the cyclic postfix.3. The method of claim 2 , further comprising:determining, by the transmitter, a length of the cyclic prefix and a length of the cyclic postfix according to ...

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14-09-2017 дата публикации

METHOD AND APPARATUS FOR SYNCHRONIZATION OPERATION IN CELLULAR INTERNET OF THINGS NETWORKS

Номер: US20170265156A1
Принадлежит:

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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 wireless device for receiving signals, a base station for transmitting a master information block (MIB) in a wireless communication network and a method therefore are provided. The wireless device comprises a receiver configured to receive, from a base station, a master information block (MIB) for a first communication using a first frequency bandwidth, and a processor configured to identify a frequency offset between a center frequency of the first frequency bandwidth and a channel raster for a second communication using a second frequency bandwidth based on information in the MIB. The receiver is further configured to receive, from the base station, signals, through the first communication, based on the frequency offset. The first frequency bandwidth is narrower than the second frequency bandwidth. 1. A method of a wireless device for receiving signals in a wireless communication network , the method comprising:receiving, from a base station, a master information block (MIB) for a first communication using a first frequency bandwidth;identifying a frequency offset between a center frequency of the first frequency bandwidth and a channel raster for a second communication using a second frequency bandwidth based on information in the MIB; andreceiving, from the base station, signals, through the first communication, based on the frequency offset,wherein the first frequency bandwidth is narrower than the second frequency bandwidth.2. The method of ...

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24-10-2013 дата публикации

METHOD OF MODULATING SIGNAL FOR DATA COMMUNICATION AND DEVICE THEROF

Номер: US20130279632A1
Принадлежит:

The present invention relates to a method for modulating a signal, which is a signal modulation method for data communication, and the method comprises the steps of: forming a data symbol sequence to which a symbol 0 having the overall length of N are added, by adding M−1 symbols 0 to each symbol of a data symbol sequence; performing an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; performing precoding for said fast-Fourier-transformed data symbol sequence; and forming a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence. Further, the present invention relates to a transmitter which comprises: a symbol adding unit that forms a data symbol sequence to which the symbol 0 having the overall length of N is added, by adding M−1 symbols 0 to each symbol of a data symbol sequence; a fast Fourier transform unit that performs an N-point fast Fourier transform for the data symbol sequence to which said symbols 0 are added; a precoding unit that performs precoding for said fast-Fourier-transformed data symbol sequence; and an inverse fast Fourier transform unit that forms a final transmission symbol sequence by performing an inverse fast Fourier transform for said precoded data symbol sequence. 1. A signal modulation method for data communication comprising:adding (M−1) zero symbols to each symbol of a data symbol sequence, and forming a data symbol sequence to which a zero symbol (i.e., 0 symbol) having a total length of N is added;performing an N-point FFT process on the data symbol sequence to which the zero symbol is added;precoding the FFT-processed data symbol sequence; andforming a final transmission symbol sequence by performing an IFFT on the precoded data symbol sequence.2. The method according to claim 1 , wherein the forming the data symbol sequence to which the zero symbol is added includes:divisionally adding the (M−1) zero symbols to a front ...

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04-01-2018 дата публикации

METHOD AND APPARATUS FOR COMMUNICATING IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180007679A1
Принадлежит:

The present disclosure relates to a 5G or a pre-5G communication system for supporting a higher data rate following 4G communication systems such as LTE. In accordance with an embodiment of the present disclosure, a method of a base station includes: checking an operation mode depending on whether beam sweeping is supported, transmitting a signal related to the operation mode to a terminal, and performing communication with the terminal according to the operation mode. 1. A method of a base station in a wireless communication system , comprising:determining an operation mode identifying whether beam sweeping is supported;transmitting a signal related to the operation mode to a terminal; andperforming a communication with the terminal according to the operation mode.2. The method of claim 1 , wherein the operation mode includes a first type that supports the beam sweeping and a second type that does not support the beam sweeping claim 1 , the first type being a single-beam type and the second type being a multi-beam type.3. The method of claim 1 , wherein transmitting the signal further comprises transmitting a primary synchronization signal (PSS) having a different sequence based on the operation mode claim 1 , or a frequency band in which the PSS and a secondary synchronization signal (SSS) are transmitted or a time at which the PSS and the SSS are transmitted based on the operation mode.4. The method of claim 1 , wherein transmitting the signal further comprises transmitting information including a bit indicating the operation mode through a physical broadcast channel (PBCH).5. The method of claim 1 , further comprising:determining at least one of a frequency division duplex (FDD) type or a time division duplex (TDD) type for a frame structure type of the wireless communication system;transmitting information including the frame structure type to the terminal; andtransmitting information related to a PBCH transmission period to the terminal.6. A base station in a ...

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10-02-2022 дата публикации

METHOD AND APPARATUS OF OPERATION CONSIDERING BANDWIDTH PART IN NEXT GENERATION WIRELESS COMMUNICATION SYSTEM

Номер: US20220046606A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a control message including first information associated with a time domain position of at least one synchronization signal block (SSB) in an SSB burst and second information associated with a periodicity for the at least one SSB;identifying whether a physical downlink shared channel (PDSCH) resource allocation overlaps with a resource for the at least one SSB, based on the first information and the second information;identifying a physical resource block (PRB) including the resource for the at least one SSB, in case that the PDSCH resource allocation overlaps with the resource for the at least one SSB; andreceiving, from the base station, downlink data based on the PDSCH resource allocation, by considering that a rate matching is performed on the identified PRB in a symbol in which the at least one SSB is received.2. The method of claim 1 , wherein a number of the at least one SSB in the SSB burst and a time domain position for each of the at least one SSB are identified by the first information.3. The method of claim 1 , wherein the control message is received by a radio resource control (RRC) signaling configuring a cell specific parameter for the terminal.4. The method of claim 1 , wherein the rate matching is further performed on a demodulation reference signal (DMRS) associated with the PDSCH resource allocation claim 1 , ...

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24-01-2019 дата публикации

METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM

Номер: US20190029026A1
Принадлежит:

The 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). The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). A method for operating a base station in a wireless communication system, according to the present disclosure, comprises determining the window configuration to be applied to a transmission signal based on channel-related information of at least one UE; and transmitting control information comprising the window configuration to the at least one UE, wherein the window configuration comprises a length of each window to be applied to each of at least one subband of a frequency band allocated to the transmission signal. 115-. (canceled)16. A method for operating a base station (BS) in a wireless communication system , the method comprising:determining a window configuration to be applied to a transmission signal based on channel-related information of at least one user equipment (UE); andtransmitting control information comprising the window configuration to the at least one UE,wherein the window configuration comprises a length of each window to be applied to each of at least one subband of a frequency band allocated to the transmission signal.17. The method of claim 16 , wherein the channel-related information comprises information on a maximum delay spread of a channel used by the at least one UE claim 16 , information on a modulation-and-coding scheme (MCS) for the at least one UE and an MCS of another UE allocated to a frequency band adjacent to the at least one UE claim 16 , and channel quality information (CQI).18. The method of claim 16 , further comprising:applying inverse fast Fourier transform (IFFT) to each subcarrier group in each of the ...

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01-02-2018 дата публикации

FILTER REUSE METHOD FOR TRANSMITTING AND RECEIVING FILTER BANK-BASED MULTICARRIER SIGNALS

Номер: US20180035179A1
Принадлежит:

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication systems such as LTE. A method according to an embodiment of the present invention is a communication method in a base station which communicates via filter bank-based multicarrier signals. The method may comprise the steps of: performing communication by allocating filters having non-orthogonality with respect to a first terminal positioned within a cell; selecting a filter set from among two or more filter sets having orthogonality with respect to a second terminal positioned at the edge of the cell; and performing communication by allocating, to the second terminal, at least one filter among filters included in the selected filter set. 1. A communication method in a base station communicating using a multicarrier signal based on a filter bank scheme , the method comprising:allocating a non-orthogonal filter to a first terminal located in a cell center area;selecting one of two or more orthogonal filter sets for a second terminal located within a cell edge area; andallocating at least one of the filters included in the selected filter set to the second terminal.2. The method of claim 1 , wherein selecting one of two or more orthogonal filter sets comprises determining the orthogonal filter sets to select based on a frequency reuse factor.3. The method of claim 1 , wherein allocating the at least one of the filters comprises determining the at least one filter based on a cell identity information.4. The method of claim 1 , further comprising transmitting claim 1 , when the at least one filter set is selected claim 1 , to neighboring base stations a filter set index indicating the selected filter set.5. The method of claim 4 , wherein the filter set index is transmitted through an X2 interface or an Operations claim 4 , Administration claim 4 , and Maintenance (OAM) interface.6. The method of claim 4 , further comprising: ...

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04-02-2021 дата публикации

METHOD AND APPARATUS OF OPERATION CONSIDERING BANDWIDTH PART IN NEXT GENERATION WIRELESS COMMUNICATION SYSTEM

Номер: US20210037505A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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. 115-. (canceled)16. A method of receiving downlink data by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a message including first information on a time domain position for a synchronization signal block (SSB) in a SSB burst and second information on a periodicity for the SSB;determining whether an allocated resource on a physical downlink shared channel (PDSCH) overlaps with a resource for the SSB, based on the first information and the second information;identifying at least one symbols where the SSB is transmitted, in case that the allocated resource overlaps with the resource for the SSB; andreceiving, from the base station, downlink data on the allocated resource without the at least one symbols, by considering that a rate matching is performed on a resource in the least one symbols.17. The method of claim 16 , wherein a number of at least one SSBs in the SSB burst and a time domain position for each of the at least one SSBs are identified by the second information.18. The method of claim 16 , wherein the resource on which the rate matching is performed includes at least one physical resource blocks (PRBs).19. The method of claim 16 , wherein the message is received by a radio resource control (RRC) signaling used to configure a cell specific parameter of a serving cell for the terminal.20. A method of transmitting downlink data by a base station in a wireless communication system claim 16 , ...

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09-02-2017 дата публикации

Method and apparatus of constructing interference component and estimating channel for multicarrier systems with non-orthogonal waveform

Номер: US20170041097A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

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 system and method for constructing an interference component using a detected data symbol and an estimated channel response in a non-orthogonal system and a method of estimating a channel using a structure of the non-orthogonal system and the interference component is disclosed. The system includes a receiver that receives a reference signal and data transmitted from a transmitter; detects adjacent data symbols around the reference signal; estimating an initial channel state; constructs the interference signal on the basis of the adjacent data symbols and the initial channel state; estimates the channel state on the basis of the constructed interference signal; and performing an iterative process of reconstructing the interference signal on the basis of the estimated channel state and re-estimates the channel state on the basis of the reconstructed interference signal.

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07-02-2019 дата публикации

Apparatus and method for uplink transmission in wireless communication system

Номер: US20190044588A1

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than in a 4G communication system such as LTE. The present disclosure relates to uplink transmission in a wireless communication system, and an operating method of a terminal includes mapping codes that are included in at least one codebook onto data symbols. and transmitting the data symbols spread by using the at least one codebook, and the data symbols are used for a base station to detect at least one active terminal including the terminal.

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17-03-2016 дата публикации

SYMBOL TRANSMISSION METHOD AND APPARATUS FOR USE IN FILTER BANK MULTICARRIER SYSTEM

Номер: US20160080187A1
Принадлежит:

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). 1. A method of transmitting filter-bank multi-carrier (FBMC) symbols in a FBMC system , the method comprising:determining a truncation point of an FBMC symbol overlapped with a transient transmission duration according to an energy distribution characteristic of a filter applied to the FBMC symbol to be transmitted in a non-transient transmission duration;truncating the FBMC symbol at the truncation point in the transient transmission duration;changing an energy characteristic of a filter according to the energy distribution characteristic of the filter to be applied to the truncated FBMC symbol;filtering the FBMC symbol overlapped with the transient transmission duration using the filter having the changed energy characteristic;filtering the FBMC symbols positioned within the non-transient transmission duration according to a non-transient transmission duration characteristic; andtransmitting the filtered FBMC symbols at a corresponding transmission timing.2. The method of claim 1 , wherein the transient transmission duration is one of a pre-transient transmission duration in which FBMC symbol transmission starts and a post-transient transmission duration in which the FBMC symbol transmission ends.3. The method of claim 1 , wherein the energy distribution characteristic of the filter to be applied to the FBMC symbol transmitted in the non-transient transmission duration is symmetrical around a center.4. The method of claim 3 , wherein each of the pre-transient and post-transient transmission durations has a maximum length equal to an orthogonal frequency division multiplexing (OFDM) symbol without cyclic prefix (CP) which corresponds to half of an overlapping factor minus 1 (L−1).5. The method of claim 4 , wherein the energy characteristic of the ...

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17-03-2016 дата публикации

FILTER BANK-BASED CHANNEL STATE REPORT AND RESOURCE ALLOCATION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM

Номер: US20160080961A1
Принадлежит:

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 filter bank-based channel state report and resource allocation method and an apparatus for use in a wireless communication system are provided. The channel state report method of a receiver in a filter bank-based wireless communication system includes receiving filter bank information on at least two filter banks from a transmitter, measuring a channel state of the each of at least two filter banks based on the filter bank information, and transmitting channel state information, which is generated based on the measurement result, to the transmitter. 1. A channel state report method of a receiver in a filter bank-based wireless communication system , the method comprising:receiving filter bank information on at least two filter banks from a transmitter;measuring a channel state of each of the at least two filter banks based on the filter bank information; andtransmitting channel state information, which is generated based on the measurement result, to the transmitter.2. The method of claim 1 , wherein the filter bank information comprises at least one of a number of filter banks claim 1 , a number of available frequency resources or nulling resources per filter bank claim 1 , a relationship between logical subcarrier resources and real physical subcarriers in each filter bank claim 1 , a position of a pilot signal per filter bank claim 1 , and a resource allocation type.3. The method of claim 1 , further comprising receiving resource allocation information from the transmitter claim 1 ,wherein data symbols indicated by the resource allocation information are mapped to one of resource blocks (RBs) associated with the at least two filter banks or all of the RBs associated with the at least two filter banks,wherein the filter bank information is received ...

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24-03-2022 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING UPLINK SIGNALS IN WIRELESS COMMUNICATION SYSTEM

Номер: US20220095336A1
Принадлежит:

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) includes intelligent services based on the 5G communication technology and the IoT-related technology. A method by a terminal for transmitting uplink data in a wireless communication system comprises receiving downlink control information for scheduling of uplink transmission in a cell from a base station and transmitting the uplink data to the base station on the supplementary uplink if the indicator indicates the scheduling of the uplink transmission is associated with the supplementary uplink in the cell. The downlink control information includes an indicator indicating whether the scheduling of the uplink transmission is associated with a supplementary uplink in the cell. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, random access channel (RACH) configuration information for a supplementary uplink in system information;determining whether to perform a random access (RA) procedure on the supplementary uplink based on the RACH configuration information;transmitting, to the base station, an RA preamble on the supplementary uplink in case that the RA procedure is determined to be performed on the supplementary uplink;receiving, from a base station, downlink control information for scheduling of uplink transmission in a cell, wherein the downlink control information includes an indicator indicating whether the scheduling of the uplink transmission is associated with a non-supplementary uplink or the supplementary uplink in the cell; andtransmitting, to the base station, uplink data on the supplementary uplink, in case that the indicator indicates that the scheduling of the uplink transmission is associated with the supplementary uplink in the cell.2. The method of claim 1 , ...

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14-03-2019 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING UPLINK SIGNALS IN WIRELESS COMMUNICATION SYSTEM

Номер: US20190082451A1
Принадлежит:

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) includes intelligent services based on the 5G communication technology and the IoT-related technology. A method by a terminal for transmitting uplink data in a wireless communication system comprises receiving downlink control information for scheduling of uplink transmission in a cell from a base station and transmitting the uplink data to the base station on the supplementary uplink if the indicator indicates the scheduling of the uplink transmission is associated with the supplementary uplink in the cell. The downlink control information includes an indicator indicating whether the scheduling of the uplink transmission is associated with a supplementary uplink in the cell. 1. A method by a terminal for transmitting uplink data in a wireless communication system , the method comprising:receiving, from a base station, downlink control information for scheduling of uplink transmission in a cell, the downlink control information including an indicator indicating whether the scheduling of the uplink transmission is associated with a supplementary uplink in the cell; andtransmitting, to the base station, the uplink data on the supplementary uplink if the indicator indicates that the scheduling of the uplink transmission is associated with the supplementary uplink in the cell.2. The method of claim 1 , wherein a size of the indicator is 1 bit.3. The method of claim 1 , the method further comprising transmitting claim 1 , to the base station claim 1 , the uplink data on a non-supplementary uplink in the cell if the indicator indicates that the scheduling of the uplink transmission is associated with the non-supplementary uplink in the cell.4. The method of claim 1 , wherein if a size of the indicator is 0 bit claim 1 , the supplementary uplink is not configured ...

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29-03-2018 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL IN COMMUNICATION SYSTEM USING SCALABLE FRAME STRUCTURE

Номер: US20180091267A1
Принадлежит:

A 5generation (5G) or pre-5G communication system supporting higher data rate after a 4generation (4G) communication system such as a long-term evolution (LTE) is disclosed. The system includes a scalable frame structure to integrally support various services in a cellular wireless communication system, and provides a transmission/reception method to which the corresponding frame structure is applied, so that the system performance is improved through minimizing of inter-symbol interference between the 5G system and the LTE system or between the 5G systems. The scalable frame structure adjusts a cyclic prefix (CP) length by giving a specific pattern thereto when subcarrier spacing is extended, while maintaining a CP overhead in the same manner based on the frame structure based on a specific subcarrier spacing, thereby maintaining the 2-times relationship between a symbol length, CP length, slot length, and subframe length. 1. A method of a terminal for transmitting and receiving a signal in a mobile communication system , the method comprising:identifying a first subcarrier spacing and a second subcarrier spacing; andreceiving, from a base station, a signal based on at least one of the first subcarrier spacing and the second subcarrier spacing,wherein a first cyclic prefix (CP) pattern applied to a symbol based on the first subcarrier spacing and a second CP pattern applied to a symbol based on the second subcarrier spacing are determined based on a predetermined CP pattern set, andwherein the symbol corresponding to the first subcarrier spacing to which the first CP pattern is applied and the symbol corresponding to the second subcarrier spacing to which the second CP pattern is applied are respectively time-aligned.2. The method of claim 1 ,wherein at least one of the first CP or the second CP having two different lengths and included in the first CP pattern, is deployed in a predetermined order, andwherein a period of the CPs included in the first CP pattern ...

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29-03-2018 дата публикации

METHOD AND APPARATUS FOR MANAGING DOWNLINK TO UPLINK INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180091282A1
Принадлежит:

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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 or connected car, health care, digital education, smart retail, security and safety services. The present disclosure discloses a method capable of solving a problem of downlink-to-uplink interference (DL-to-UL interference) occurring as dynamic time division duplex (TDD) is applied in a wireless communication system. 1. A method for allocating , by a base station , a resource in a dynamic time division duplex (TDD) system , the method comprising:transmitting resource allocation information for an n+k-th transmission time interval (TTI) to a terminal at an n-th TTI, n being a natural number and k being a natural number;determining whether to change the resource allocation information, if a packet for a first service requiring low latency is required to be processed at the n+k-th TTI after transmitting the resource allocation information; andtransmitting resource allocation change information indicating change of the resource allocation information to the terminal, if it is determined to change the resource allocation information to process the first service.2. The method of claim 1 , wherein the TTI is a subframe claim 1 , slot claim 1 , or mini-slot.3. The method of claim 1 , further comprising:generating the resource allocation change information indicating to allocate downlink at a whole or part of the n+k-th TTI if the packet is associated with downlink ultra reliable and low latency communication (URLLC) and uplink is allocated at the n+k-th TTI by the resource allocation information.4. The method of claim 3 , further comprising: ...

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29-03-2018 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM USING RESOURCE BLOCK STRUCTURE

Номер: US20180092080A1
Принадлежит:

The present disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present disclosure provides a transmission and reception method applying a special resource block structure in a scalable frame structure to integrally support various services in a cellular wireless communication system. According to the present disclosure, it is possible to minimize interference between adjacent resource blocks due to heterogeneous subcarrier spacings between the 5G system and the LTE system or the 5G system to improve system performance. 1. A signal transmission and reception method of a terminal in a mobile communication system , comprising:acquiring first information associated with a set of subcarrier spacing applied to the terminal;receiving second information associated with a special resource block for the set of the subcarrier spacings from a base station; andtransmitting and receiving data based on the second information,wherein the special resource block includes at least one null subcarrier.2. The signal transmission and reception method of claim 1 , wherein the second information is transmitted by radio resource control (RRC) signaling.3. The signal transmission and reception method of claim 1 , wherein the second information is transmitted by being included in downlink control information (DCI) through a physical downlink control channel (PDCCH).4. The signal transmission and reception method of claim 3 , wherein when the second information includes a special resource block indicator and the special resource block indicator indicates a predetermined value claim 3 ,the transmitting and receiving of the data includes determining a resource block selected according to a predetermined rule among scheduled resource blocks as the special resource block, andthe special resource block includes a predetermined number of null subcarriers.5. The signal transmission and ...

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29-03-2018 дата публикации

APPARATUS AND METHOD FOR SUPPORTING MIXED NUMEROLOGY IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180092084A1
Принадлежит:

The present disclosure relates to a pre-5-generation (5G) or G communication system to be provided for supporting higher data rates beyond 4-generation (4G) communication system such as long term evolution (LTE). Disclosed is a method for operating a BS for supporting mixed numerology in a wireless communication system. The method includes: generating a first signal for a first group and a second signal for a second group according to different configurations; and transmitting the first signal through a first channel allocated for the first group and the second signal through a second channel allocated for the second group. 1. A base station (BS) in a wireless communication system , the BS comprising:at least one processor configured to generate a first signal for a first group and a second signal for a second group according to different configurations; anda transceiver configured to transmit the first signal over a first channel allocated for the first group and the second signal over a second channel allocated for the second group,wherein the different configurations include different subcarrier intervals, andwherein the first signal includes at least one of information assoicated with a central frequency of a system bandwidth of the first group or information assoicated with a frame boundary of the first group.2. The BS of claim 1 , wherein the information associated with the central frequency includes an offset on a frequency axis of a center of the first channel for the central frequency.3. The BS of claim 1 , wherein the information associated with the frame boundary includes an offset on a time axis of the first channel for the frame boundary.4. The BS of claim 1 , wherein the first group and the second group share the system bandwidth claim 1 , and wherein the first channel and the second channel are allocated to different resources on at least one of a frequency axis or a time axis.5. The BS of claim 1 , wherein the second group uses another system ...

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01-04-2021 дата публикации

METHOD AND DEVICE FOR PROVIDING DIFFERENT SERVICES IN MOBILE COMMUNICATION SYSTEM

Номер: US20210100008A1
Принадлежит:

The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services. 1. A method performed by a base station in a wireless communication system , the method comprising:transmitting, to a terminal, a first data;transmitting, to the terminal, first information indicating whether second data being transmitted is combinable with the transmitted first data; andtransmitting, to the terminal, the second data based on the first information,wherein at least one of the first data and the second data is transmitted based on a code block group (CBG).2. The method of claim 1 , wherein the transmitting the first information comprises:receiving, from the terminal, a negative acknowledgment message for the first data; andtransmitting, to the terminal, the first information indicating whether the second data being transmitted is combinable with the transmitted first data, and scheduling information for transmitting the second data.3. The method of claim 1 , further comprising:transmitting, to the terminal, second information including resource information where no transmission is intended for the terminal.4. The method of claim 1 , wherein the first information is included in downlink control information (DCI).5. A method performed by a terminal in a wireless communication system claim 1 , the method ...

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13-04-2017 дата публикации

METHOD AND APPARATUS FOR REPEATED TRANSMISSION IN MULTICARRIER WIRELESS COMMUNICATION SYSTEM

Номер: US20170104620A1
Принадлежит:

A method for signal transmission includes determining whether to perform repeated transmissions for a time length of a multiplication of L and M or more, wherein L indicates the overlapping factor of the system and M indicates a number of quadrature amplitude modulation (QAM) filter bank multi-carrier (FBMC) symbols, determining information on a type of the repeated transmissions to be performed, and transmitting FBMC symbols using a transmit power determined based on the type of the repeated transmissions. A base station includes a transceiver unit to send and receive signals, a control unit configured to determine whether to perform repeated transmissions for a time length of a multiplication of L and M or more, determine information on a type of the repeated transmissions to be performed, and transmit FBMC symbols using a transmit power determined based on the type of the repeated transmissions. 1. A method for signal transmission in a filter bank multicarrier (FBMC) system , the method comprising:determining whether to perform repeated transmissions for a time length of a multiplication of L and M or more, wherein L indicates the overlapping factor of the system and M indicates a number of quadrature amplitude modulation (QAM) filter bank multi-carrier (FBMC) symbols;determining information on a type of the repeated transmissions to be performed; andtransmitting FBMC symbols using a transmit power determined based on the type of the repeated transmissions.2. The method of claim 1 , wherein the information on the type of repeated transmissions comprises information regarding a new overlapping factor claim 1 , a number of repeated transmissions claim 1 , and new filter coefficients.3. The method of claim 1 , wherein claim 1 , when a number of repeated transmissions is N for a time length of a multiplication of L by M or more claim 1 , a length of a signal to be repeated is set to a multiplication of (L+N−1) by M in consideration of an overlap with other symbols.4. ...

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26-03-2020 дата публикации

METHOD AND APPARATUS OF FLEXIBLE DATA TRANSMISSIONS AND RECEPTIONS IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20200100216A1
Принадлежит:

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a master information block (MIB) on a carrier frequency in a frequency range (FR), the MIB including information associated with a subcarrier spacing for a system information block (SIB);based on the information included in the MIB, identifying one of a first subcarrier spacing set and a second subcarrier spacing set, each of the first subcarrier spacing set and the second subcarrier spacing set including a lower subcarrier spacing and a higher subcarrier spacing;based on the carrier frequency, identifying one of the lower subcarrier spacing and the higher subcarrier spacing of the first subcarrier spacing set or the second subcarrier spacing set;based on the identified subcarrier spacing set and the identified subcarrier spacing, identifying a subcarrier spacing for the SIB; andreceiving, from the base station, the SIB based on the subcarrier spacing for the ...

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19-04-2018 дата публикации

SYNCHRONIZATION METHOD AND APPARATUS IN MOBILE COMMUNICATION SYSTEM

Номер: US20180109410A1
Принадлежит:

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate beyond a 4G communication system such as LTE. According to an embodiment of the present invention, a method for transmitting a synchronization signal by a base station in a filter bank multi carrier (FBMC) system and a base station using the same may be provided, the method comprising the steps of: generating a frequency-domain quadrature amplitude modulation (QAM) symbol sequence having a length of k for a synchronization signal; mapping the QAM symbol sequence to a sub-carrier of a filter bank on the basis of the correlation characteristic of the synchronization signal; generating a quadrature amplitude modulation-filter bank multicarrier (QAM-FBMC) symbol including the synchronization signal on the basis of the mapping, and transmitting the generated QAM-FBMC symbol. In addition, a terminal communicating with the base station and an operation method for the terminal may be provided. 1. A synchronization signal transmission method of a base station in a Filter Bank Multi-Carrier (FBMC) system , the method comprising:generating a frequency domain Quadrature Amplitude Modulation (QAM) symbol sequence with a length of K for a synchronization signal;mapping the QAM symbol sequence to a subcarrier of a filter band based on a correlation characteristic of the synchronization signal;generating a QAM-FBMC symbol containing the synchronization signal based on the mapping; andtransmitting the QAM-FBMC symbol.2. The method of claim 1 , wherein mapping the QAM symbol sequence comprises mapping claim 1 , when the synchronization signal is based on cross correlation claim 1 , the QAM symbol sequence to the subcarrier of a predetermined filter bank among a plurality of filter banks.3. The method of claim 1 , wherein mapping the QAM symbol sequence comprises:mapping, when the synchronization signal is based on delay correlation, the QAM symbol sequence to one of an odd-numbered ...

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03-05-2018 дата публикации

METHOD AND APPARATUS OF FLEXIBLE DATA TRANSMISSIONS AND RECEPTIONS IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20180124744A1
Принадлежит:

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information. 1. A method for obtaining numerology information by a user equipment (UE) in a wireless communication system , the method comprising:detecting synchronization signals;obtaining first numerology information for the synchronization signals;decoding a physical broadcast channel (PBCH) based on the first numerology information;obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding; andreceiving control information on the PDCCH based on the second numerology information.2. The method of claim 1 , wherein the second numerology information indicates a subcarrier spacing for the PDCCH within a subcarrier spacing set.3. The method of claim 2 , wherein the subcarrier spacing set is for lower frequency bands or higher frequency bands claim 2 , the lower frequency bands being below reference frequency band and the higher frequency bands being above the reference frequency band.4. The method of claim 1 , further comprising: ...

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03-05-2018 дата публикации

METHOD AND APPARATUS FOR MANAGING UE-TO-UE INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180124796A1
Принадлежит:

The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The present disclosure may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. 1. A method of a first base station in a wireless communication system , comprising:identifying interference region information;receiving beam index information and resource allocating information from a second base station; andallocating a resource to a terminal based on the interference region information, the beam index information, and the resource allocation information.2. The method of claim 1 , wherein receiving the beam index information and the resource allocating information comprises identifying whether the terminal is located in an interference region based on the beam index information and the interference region information.3. The method of claim 2 , wherein allocating the resource comprises allocating a selected resource other than the resource included in the resource allocation information to the terminal claim 2 , if the terminal is located in the interference region.4. The method of claim 2 , wherein allocating the resource comprises allocating a resource selected from all available resources claim 2 , if the terminal is not located in the interference region.5. The method of claim 1 , wherein identifying the interference region information includes:receiving interference information from the terminal;receiving the beam index information from neighboring base stations; andidentifying the interference region information using the interference information and the beam index information.6. The method of claim 2 , wherein allocating the ...

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11-05-2017 дата публикации

APPARATUS AND OPERATING METHOD FOR CONTROLLING PEAK TO AVERAGE POWER RATIO OF SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: US20170134204A1
Принадлежит:

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). Various exemplary embodiments of the present disclosure include: performing Fourier transform with respect to a plurality of modulation signals; dividing the plurality of transformed signals into at least two groups; generating FBMC symbols corresponding to the groups; transmitting the FBMC symbols. 1. An operating method of a transmitting apparatus , the operating method comprising:performing a Fourier transform to a plurality of modulation signals;generating at least two groups by dividing the Fourier transformed plurality of signals;generating filter bank multicarrier (FBMC) symbols corresponding to the at least two groups; andtransmitting the FBMC symbols.2. The operating method of claim 1 , wherein the plurality of modulation signals comprises signals that are generated by a modulation operation that applies offsetting to at least one of a real number part or an imaginary number part claim 1 , andwherein generating the at least two groups further comprises dividing the Fourier transformed plurality of signals into a first group comprising a real number part of the plurality of modulation signals and a second group comprising an imaginary number part of the plurality of modulation signals.3. The operating method of claim 2 , further comprising interleaving operation to each of the first group and the second group.4. The operating method of claim 3 , further comprising performing a phase rotation e to each of the interleaved first group and the second group.5. The operating method of claim 1 , wherein the plurality of modulation signals comprise signals that are modulated by a quadrature amplitude modulation (QAM) operation claim 1 , andwherein generating the at least two groups further comprises dividing into a first group and a second group each of ...

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03-06-2021 дата публикации

Device and method for processing received signal in wireless communication system

Номер: US20210168002A1

The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). A method of a reception device in a wireless environment according to various embodiments of the present disclosure may include receiving a signal from a transmission device, identifying that the received signal is modulated based on at least one designated modulation scheme of modulation schemes, based on identifying, generating second values by applying a first circular shift of a first direction to first values relating to first symbols of the signal, and generating third values by applying a second circular shift of a second direction which is different from the first direction, to conjugate complex values of the first values, generating second symbols of the signal based at least in part on the second values and the third values, and obtaining data about the signal based at least in part on the second symbols.

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30-04-2020 дата публикации

METHOD AND APPARATUS OF FLEXIBLE DATA TRANSMISSIONS AND RECEPTIONS IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20200137720A1
Принадлежит:

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a master information block (MIB) on a carrier frequency in a frequency range (FR), the MIB including information associated with a subcarrier spacing for a system information block 1 (SIB1);identifying a subcarrier spacing for the SIB1 among a plurality of different subcarrier spacings based on both of the carrier frequency and the information included in the MIB; andreceiving, from the base station, the SIB1 based on the identified subcarrier spacing.2. The method of claim 1 ,wherein the identifying comprises identifying one of a first subcarrier spacing set and a second subcarrier spacing set based on the carrier frequency, andwherein the first subcarrier spacing set corresponds to a lower frequency range and the second subcarrier spacing set corresponds to a higher frequency range.3. The method of claim 2 ,wherein the identifying comprises identifying the ...

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23-05-2019 дата публикации

METHODS AND APPARATUS FOR TRANSMITTING RACH IN WIRELESS COMMUNICATION SYSTEM

Номер: US20190159244A1
Принадлежит:

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system includes receiving configuration information regarding a random access channel (RACH) from a base station, and transmitting a RACH preamble based on the configuration information. The configuration information includes information indicating the number of RACH transmission occasions in a frequency axis. A terminal includes a processor configured to receive configuration information regarding a RACH from a base station, and transmit a RACH preamble according to the configuration information, wherein the configuration information includes information indicating the number of RACH transmission occasions in a frequency axis. 1. A method for operating a terminal in a wireless communication system , the method comprising:receiving configuration information regarding a random access channel (RACH) from a base station; andtransmitting a RACH preamble based on the configuration information,wherein the configuration information includes first information indicating the number of RACH transmission occasions in a frequency axis, and second information indicating a start symbol of the RACH.2. The method of claim 1 , wherein the second information further indicates the number of RACH occasions in a time axis.3. The method of claim 1 ,wherein the RACH includes RACH frequency resources, andwherein the RACH frequency resources are numbered starting from a low frequency.4. The method of claim 3 , wherein an index of each of the RACH frequency resources is used to determine a random access-radio network temporary identity (RA-RNTI).5. The method of claim 1 , wherein a subcarrier spacing applied to the RACH depends on a frequency range in which the RACH operates.6. The method of claim 5 , wherein the ...

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14-06-2018 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING SIGNAL USING SPACE TIME BLOCK CODE OR SPACE FREQUENCY BLOCK CODE IN MULTI-CARRIER SYSTEM

Номер: US20180167166A1
Принадлежит:

An STBC/SFBC-based signal transmission method and apparatus is provided for use in a multi-carrier system. A method for a transmitter to transmit a signal to a receiver in a diversity transmission mode according to the present invention includes transmitting a filter index indicating a filter allocated to the receiver and transmitting Space Time Block Code (STBC) symbols to the receiver at symbol positions selected based on the filter index. 1. A method for a transmitter to transmit a signal to a receiver in a diversity transmission mode , the method comprising:transmitting, to a receiver, a filter index indicating a filter allocated to the receiver; andtransmitting, to the receiver, Space Time Block Code (STBC) symbols at symbol positions selected based on the filter index.2. The method of claim 1 , further comprising:transmitting, to the receiver, an indicator indicating start of the diversity transmission mode; andreceiving, from the receiver, a capability indicator indicating transmission modes supported by the receiver.3. The method of claim 1 , wherein the symbol positions are determined based on at least one of difference values claim 1 , in time and frequency domains claim 1 , between a symbol position from which a greatest interference occurs to a reference symbol indicated by the filter index.4. The method of claim 1 , further comprising configuring claim 1 , when no information on the filter index is stored in the transmitter claim 1 , interference information in association with the filter index.5. A method for a receiver to receive a signal from a transmitter in a diversity transmission mode claim 1 , the method comprising:receiving, from a transmitter, a filter index indicating a filter which the transmitter allocates to the receiver; andreceiving, from the transmitter, STBC symbols at symbol positions selected based on the filter index.6. The method of claim 5 , further comprising:receiving, from the transmitter, an indicator indicating start of the ...

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14-06-2018 дата публикации

DEVICE AND METHOD FOR TRANSMITTING FILTER BANK MULTI-CARRIER SYMBOLS IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180167246A1
Принадлежит:

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). The present invention relates to the transmission and the reception of filter bank multi-carrier (FBMC) symbols in a wireless communication system, a method for operating a transmitting end comprises the step of: generating a first symbol in which sample values of a front end are shifted to a rear end; generating a second symbol in which sample values of a rear end are shifted to a front end; and transmitting a plurality of symbols comprising the first symbol and the second symbol on a time axis in an overlapping manner. 1. A method for operating of a transmitting end in a wireless communication system , the method comprising:generating a first symbol in which sample values of a front end are shifted to a rear end;generating a second symbol in which sample values of a rear end are shifted to a front end; andtransmitting a plurality of symbols comprising the first symbol and the second symbol on a time axis in an overlapping manner.2. The method of claim 1 , wherein generating the first symbol comprises generating an FBMC symbol using a frequency domain filter to which a phase shift value corresponding to a number of the sample values is applied or a time domain filter which is circularly shifted as much as the number of the sample values.3. The method of claim 1 , further comprising transmitting claim 1 , to a receiving end claim 1 , information for determining a shift pattern of the sample values claim 1 ,wherein the information comprises at least one of an amount of data to be transmitted, information on whether an adjacent channel is used or not, and a degree of interference by the adjacent channel.45-. (canceled)6. An apparatus for a transmitting end in a wireless communication system claim 1 , the apparatus comprising:a transceiver;at least one ...

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29-09-2022 дата публикации

METHOD AND APPARATUS OF DETERMINING FREQUENCY RESOURCES IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20220312394A1
Принадлежит:

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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 by a terminal for determining frequency resources in a cellular network is provided. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a synchronization signal (SS) block;receiving, from the base station, first information on a reference point associated with common resource blocks; andidentifying second information on a subcarrier offset between a lowest subcarrier of the SS block and a lowest subcarrier of a lowest resource block which overlaps with the SS block,wherein the common resource blocks are indexed from 0 and upwards in a frequency domain for a subcarrier spacing configuration based on the reference point.2. The method of claim 1 , further comprising:receiving, from the base station, third information for determining a frequency domain location of a bandwidth part (BWP),wherein the third information includes an offset between the reference point and a starting resource block of the BWP.3. The method of claim 1 , further comprising:receiving, from the base station, information on a frequency location of a reference point for uplink as an absolute radio frequency channel number (ARFCN).4. The method of claim 1 , further comprising:receiving, from the base station, information indicating an absolute radio frequency channel number (ARFCN) for a carrier associated with a secondary cell.5. The method of claim 1 , further comprising:identifying a reference ...

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12-07-2018 дата публикации

APPARATUS AND METHOD FOR REDUCING PEAK-TO-AVERAGE POWER RATIO IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180198668A1
Принадлежит:

The present disclosure relates to a pre-5-generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-generation (4G) communication system, such as long-term evolution (LTE). An operation method of a transmitter in a wireless communication system is provided. The method includes applying a filter to data, mapping the data to which the filter is applied to at least one subcarrier, and transmitting the mapped data to a receiver. The filter is determined based on based on the allocated resource. 1. A method for operating a transmitter in a wireless communication system , the method comprising:applying a filter to data;mapping the data to which the filter is applied to at least one subcarrier; andtransmitting the mapped data to a receiver,wherein the filter is determined based on a receiver characteristic and reception performance of the receiver.2. The method of claim 1 ,wherein the filter has, as a coefficient, a value obtained by sampling a predetermined polynomial a number of times equal to a number of at least one symbol when a number of the at least one subcarrier is the same as the number of the at least one symbol included in the data, andwherein the filter has, as a coefficient, a value obtained by sampling the predetermined polynomial a number of times equal to the number of the at least one subcarrier when the number of the at least one subcarrier is greater than the number of the at least one symbol.3. The method of claim 1 , wherein the applying of the filter to the data comprises:changing a phase of at least one symbol included in the data based on an amount of phase rotation of the at least one symbol, andfiltering, using the filter, the data including the at least one symbol, the phase of which is changed.4. The method of claim 3 ,wherein the amount of phase rotation is determined based on a number of the at least one symbol when a number of the at least one subcarrier is the same as the number of the at least one ...

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13-07-2017 дата публикации

FEEDBACK METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTICARRIER SIGNAL IN WIRELESS MOBILE COMMUNICATION SYSTEM

Номер: US20170201317A1
Принадлежит:

This disclosure relates to a 5G or pre-5G communication system to be provided for supporting higher data transfer rate following a 4G communication system such as LTE. To accomplish the objective mentioned above, a method for transmitting and receiving a signal at a terminal in the mobile communication system according to one embodiment of the present application comprises the steps of: receiving, from a base station, a reference signal generated on the basis of a first filter; determining channel information on the basis of the received reference signal; transmitting the determined channel information to the base station; receiving, from the base station, information related to a second filter determined on the basis of the channel information; and receiving, from the base station, a data signal on the basis of the second filter. According to an embodiment of the present application, it is possible to maximize the signal-to-interference-plus-noise ratio (SINR) while minimizing spectral interference in the event of multiuser connection, by using a prototype filter application method and system structure. 1. A method for transmitting and receiving a signal of a terminal in a mobile communication system , the method comprising:receiving a reference signal generated based on a first filter from a base station;determining channel information based on the reference signal;transmitting the channel information to the base station;receiving information on a second filter determined based on the channel information from the base station; andreceiving a data signal based on the second filter from the base station.2. The method of claim 1 , further comprising receiving weight information from the base station claim 1 , wherein transmitting the channel information to the base station comprises transmitting information determined based on the weight information and the channel information to the base station claim 1 , the weight information being determined based on at least one ...

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21-07-2016 дата публикации

PACKET TRANSMISSION METHOD AND APPARATUS FOR USE IN FILTER BANK-BASED MULTI-CARRIER WIRELESS COMMUNICATION

Номер: US20160212004A1
Принадлежит:

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). 1. A packet transmission method for use in a wireless communication system based on Filter Bank-based Multi-Carrier (FBMC) , the method comprising:generating an Offset Quadrature Amplitude Modulation (OQAM) symbol by extracting a transmission data period from data blocks obtained by repeating a transmission data as many times as an overlapping factor;performing Inverse Fast Fourier Transform (IFFT) on the OQAM symbol;shifting, when the overlapping factor is an even number, the IFFT-ed symbol cyclically;filtering the cyclically shifted symbol with a shortened compensation filter; andtransmitting the filtered symbol in an overlapped OQAM signal.2. The method of claim 1 , further comprising:filtering, when the overlapping factor is an odd number, the IFFT-ed symbol with the shortened compensation filter; andtransmitting the filtered symbol in the overlapped OQAM signal.3. The method of claim 1 , wherein the transmission data is a short burst data.4. The method of claim 1 , wherein extracting the transmission data period comprises extracting data between points distant as long as ½ of one data length backward and forward from a maximum energy point of a prototype filter used in the FBMC-based wireless communication system among the data blocks obtained by repeating the transmission data.5. The method of claim 1 , wherein shifting the IFFT-ed symbol cyclically comprising interchanging the position of a first half of the IFFT-ed symbol and a last half of the IFFT-ed symbol.6. A packet transmission apparatus for use in a wireless communication system based on Filter Bank-based Multi-Carrier (FBMC) claim 1 , the apparatus comprising:a symbol generator configured to extract a transmission data period from data blocks obtained by repeating a transmission data as ...

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19-07-2018 дата публикации

Channel allocation device and method in wireless communication system

Номер: US20180206239A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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. Particularly, the present invention relates to an allocation and a user of a channel, and a method for operating a terminal comprises the steps of: receiving channel allocation information; and transmitting a data signal through at least one channel based on the channel allocation information. In addition, the present invention includes other examples different from the aforementioned example.

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26-07-2018 дата публикации

COMMUNICATION DEVICE AND METHOD IN FILTER-BANK BASED SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM

Номер: US20180212813A1
Принадлежит:

Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. Particularly, the present invention relates to a communication device and method in a filter-bank based single carrier frequency division multiple access (FB based SC-FDMA) system and, particularly, to a communication device and method for lowering a peak to average power ratio (PAPR) in an uplink. 1. A transmission device of a filter bank mode multiple access radio communication system , the transmission device comprising:a modulation unit which modulates data to transmit into modulation symbols;a time resource mapping unit which maps the modulation symbols to time resources on a time axis at a predetermined interval according to an overlapping factor and a number of modulation symbols to transmit;a plurality of analysis filter banks which perform a reverse of a synthesis filter bank selected for transmitting the modulation symbols mapped to the time resources;a frequency resource mapping unit which maps symbols filtered by one of the analysis filter banks to pre-allocated frequency resources;at least one synthesis filter bank which synthesizes the symbols mapped to the frequency resources to recover a time domain signal;an overlap and sum unit which overlaps and sums outputs of the synthesis filter bank with a preconfigured overlapping factor; anda control unit which selects one analysis filter bank minimizing a self Signal to Interference Ratio (SIR) and a Peak to Average Power Ratio (PAPR) among plural analysis filter banks.2. The transmission device of claim 1 , wherein the synthesis filter bank performs an Inverse Discrete Fourier Transform (IDFT) operation claim 1 , and the analysis filter banks perform a Discrete Fourier Transform (DFT) operation.3. The transmission device of claim 1 , wherein the modulation unit performs one of QAM and OQAM.4. The transmission device of claim 1 , wherein the time ...

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25-06-2020 дата публикации

DEVICE AND METHOD FOR ALLOCATING AND INDICATING RESOURCES IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200205130A1
Принадлежит:

Disclosed is a 5G (5generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4generation) communication system such as a long term evolution (LTE). The present disclosure is for allocating and indicating resources in a wireless communication system, and an operation method of a base station comprises the steps of: allocating a first resource for a first service; allocating a second resource for a second service in consideration of the first resource; and transmitting resource allocation information on the second resource and data of the second service, wherein the second resource is discontinuously allocated, at a frequency axis, in a logical or physical manner, and the resource allocation information indicates the second resource by using at least one starting location and at least one length. 1. A method performed by a base station in a wireless communication system , the method comprising:allocating a first resource for a first service;allocating a second resource for a second service based on the first resource; andtransmitting resource allocation information regarding the second resource and data of the second service,wherein the second resource includes a first part and a second part that are discontinuous in a frequency axis, andwherein the resource allocation information indicates the second resource using at least one start point and at least one length.2. The method of claim 1 , wherein the allocating the second resource comprises:allocating a resource, remaining after excluding the first resource, for the second service in a slot corresponding to the second service;puncturing at least a part of the first resource if a size of a resource required for the second service is greater than a size of the remaining resource; andallocating at least the part of the first resource for the second service.3. The method of claim 1 , wherein the resource allocation information further comprises an offset for adjusting ...

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12-08-2021 дата публикации

METHOD AND APPARATUS OF FLEXIBLE DATA TRANSMISSIONS AND RECEPTIONS IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20210250906A1
Принадлежит:

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information. 1. A method performed by a terminal in a wireless communication system , the method comprising:receiving, from a base station, a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) based on a first subcarrier spacing;receiving, from the base station, a master information block (MIB) on a frequency band, based on the first subcarrier spacing, the MIB including information associated with a second subcarrier spacing for physical downlink control channel (PDCCH) for system information block (SIB);identifying the second subcarrier spacing for the PDCCH for the SIB from a first subcarrier spacing set or a second subcarrier spacing set corresponding to the frequency band on which the MIB is received, based on the information included in the MIB; andreceiving, from the base station, the PDCCH for the SIB based on the second subcarrier spacing.2. The method of claim 1 , wherein the first subcarrier spacing set corresponds to a lower frequency band and the second ...

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02-07-2020 дата публикации

Apparatus and method for transmitting and receiving data in wireless communication system

Номер: US20200214020A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology are provided. The communication scheme is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology.

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09-08-2018 дата публикации

APPARATUS AND METHOD FOR SUPPORTING MULTIPLE ACCESS IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180227096A1
Принадлежит:

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). To support multiple access, a method for operating a terminal is provided. The method includes sending at least one first reference signal over a first resource which supports orthogonal multiple access with at least one other terminal, sending at least one second reference signal over a second resource which supports non-orthogonal multiple access (NOMA) with the at least one other terminal, and sending a data signal according to the NOMA with the at least one other terminal. 1. A method for operating a terminal in a wireless communication system , the method comprising:transmitting at least one first reference signal through a first resource that supports an orthogonal multiple access with at least one other terminal;transmitting at least one second reference signal through a second resource that supports a non-orthogonal multiple access (NOMA) with the at least one other terminal; andtransmitting a data signal according to the NOMA with the at least one other terminal.2. The method of claim 1 ,wherein the at least one first reference signal is used to generate long-term channel information, andwherein the at least one second reference signal is used to generate joint channel information for the NOMA of the at least one other terminal and the terminal.3. The method of claim 1 , further comprising:receiving allocation information of the first resource.4. The method of claim 1 , further comprising:receiving allocation information of the at least one second reference signal.5. A method for operating a base station in a wireless communication system claim 1 , the method comprising:receiving first reference signals through a first resource that supports an orthogonal multiple access with a plurality of terminals;receiving second reference signals through ...

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09-08-2018 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING OF DATA IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180227910A1
Принадлежит:

The present disclosure relates to a fifth generation (5G) or pre-5G communication system supporting a higher data transmission rate since fourth generation (4G) communication systems like long term evolution (LTE). A method for transmitting heterogeneous service data from a base station is provided. The method for transmitting data includes at least one processor configured to control to allocate a first resource by scheduling to provide the first service data to the first terminal, identify whether the second service data to be transmitted to the first terminal or the second terminal is generated using at least some of the first resource during the transmission of the first service data to the first terminal using the first resource, transmit the second service data by allocating the second service data to at least some of the first resource if the second service data is generated, and configure and transmit the second service data. 1. A method for transmitting heterogeneous service data from a base station , the method comprising:transmitting, using a transmitter of the base station, a first service data by allocating a first resource through scheduling the first service data to be transmitted to a first terminal;identifying, using at least one processor of the base station, whether a second service data to be transmitted to the first terminal or a second terminal is generated using at least some of the first resource during a transmission of the first service data to the first terminal;transmitting, using the transmitter of the base station, the second service data by allocating the second service data to at least some of the first resource if the second service data is generated; andconfiguring and transmitting the second service data to notify and indicate the transmission of the second service data at an indication information transmission time of a time closest to a transmission time of the second service data among next times including the transmission time ...

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09-08-2018 дата публикации

Method and apparatus for managing resources for coexistence of long term evolution system and new radio system

Номер: US20180227918A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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 of a user equipment for supporting a first communication system and a second communication system is provided. The method comprises shifting first resource blocks (RBs) associated with transmission in a first communication system by a certain frequency value to match a grid of the first RBs with a grid of second RBs associated with transmission in a second communication system, and transmitting the shifted first RBs to a base station.

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09-07-2020 дата публикации

APPARATUS AND METHOD FOR FREQUENCY LATTICE MODULATION IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200220764A1
Принадлежит:

The disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as long term evolution (LTE). According to various embodiments, a transmission device in a wireless environment may include a transceiver, and a processor operatively coupled to the transceiver. The processor may be configured to generate a codeword related to transmission data, generate symbols from the codeword by using a plurality of transmission symbol vectors determined using a linear combination of vectors corresponding to respective rows of a lattice generation matrix, and transmit a signal generated based on the symbols via the transceiver. 1. A method performed by a device in a wireless environment , the method comprising:generating a codeword related to transmission data;generating symbols from the codeword by using a plurality of transmission symbol vectors determined using a linear combination of vectors corresponding to respective rows of a lattice generation matrix; andtransmitting a signal generated based on the symbols via a transceiver.2. The method of claim 1 , wherein the lattice generation matrix includes a Barnes Wall lattice.3. The method of claim 1 , wherein the lattice generation matrix is n×n matrix claim 1 , and{'sup': 'th', 'wherein the plurality of transmission symbol vectors determined based on the lattice generation matrix are ndimensional vectors, where n is a natural number.'}4. The method of claim 1 , wherein a coefficient of a linear combination of vectors corresponding to the respective rows of the lattice generation matrix is an integer number.5. The method of claim 1 , further comprising:distributing the codeword to a plurality of bit sets including a first bit set and a second bit set;determining a first transmission symbol vector corresponding to the first bit set among the plurality of transmission symbol vectors;determining a second transmission symbol ...

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09-07-2020 дата публикации

APPARATUS AND METHOD FOR DETERMINING BANDWIDTH IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200221348A1
Принадлежит:

The 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). Provided are an apparatus and a method for determining a bandwidth in a wireless communication system. A method of operating a base station (BS) in a wireless communication system includes: receiving information on a bandwidth supporting capability of a terminal from the terminal; transmitting information on at least one candidate bandwidth corresponding to the bandwidth supporting capability to the terminal; and transmitting information indicating a utilization bandwidth of the terminal among the at least one candidate bandwidth to the terminal. Accordingly, it is possible to reduce power consumption of the terminal and overhead for a bandwidth indication. 1. A method performed by a base station (BS) in a wireless communication system , the method comprising:receiving information on a bandwidth supporting capability of a terminal from the terminal;transmitting information on at least one candidate bandwidth corresponding to the bandwidth supporting capability to the terminal; andtransmitting information indicating a utilization bandwidth of the terminal among the at least one candidate bandwidth to the terminal.2. The method of claim 1 , wherein the information on the bandwidth supporting capability includes information on at least one of a maximum supportable bandwidth of the terminal claim 1 , a list of at least one supportable bandwidth claim 1 , a supportable unit bandwidth of the terminal claim 1 , and a default bandwidth.3. The method of claim 1 , wherein the information on the at least one candidate bandwidth includes information on at least one of a list of the at least one candidate bandwidth claim 1 , a numerology of each of the at least one candidate bandwidth claim 1 , a central frequency of each of the at least one candidate bandwidth claim 1 , a ...

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16-07-2020 дата публикации

DEVICE AND METHOD FOR SUPPORTING DIFFERENT SERVICES IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200228240A1
Принадлежит:

The present disclosure relates to 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4generation (4G) communication system such as long term evolution (LTE). An operation method of a base station in a wireless communication system comprises the steps of: reallocating a resource, which has been allocated to a first service, to a second service in order to provide the second service; transmitting control information related to at least one reference signal punctured for reallocation of the resource; and transmitting the at least one punctured reference signal via a resource different from the resource having been allocated to the second service. 1. A method for operating a base station in a wireless communication system , the method comprising:reallocating a resource, allocated to a first service, to a second service in order to provide the second service;transmitting control information related to at least one reference signal punctured for reallocation of the resource; andtransmitting the at least one punctured reference signal on a resource different from the resource allocated to the second service.2. The method of claim 1 , wherein the different resource is included in a symbol following a last symbol of the resource allocated to the second service.3. The method of claim 1 , wherein claim 1 , when the second service is not provided claim 1 , the different resource is located in the same subcarrier as a resource to which the at least one punctured reference signal is mapped.4. A method for operating a terminal in a wireless communication system claim 1 , the method comprising:receiving control information related to at least one reference signal punctured for reallocation of a resource, allocated to a first service, to a second service in order to provide the second service; andreceiving the at least one punctured reference signal on a resource different from the resource allocated to the second service.5. The ...

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06-08-2020 дата публикации

METHOD AND APPARATUS OF DETERMINING FREQUENCY RESOURCES IN NEXT GENERATION CELLULAR NETWORKS

Номер: US20200252934A1
Принадлежит:

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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 by a terminal for determining frequency resources in a cellular network is provided. 1. A method by a terminal for transmitting or receiving at least one carrier in a cellular network , the method comprising:receiving, from a base station, information on frequency position of a common reference point for resource block grids;receiving, from the base station, information on offset in frequency domain between the common reference point and a location of the at least one carrier;determining the location of the at least one carrier based on the information on the offset; andtransmitting or receiving the at least one carrier.2. The method of claim 1 , the method further comprising:receiving, from the base station, a synchronization signal (SS) block, wherein the information on the frequency position includes offset in physical resource block (PRB) between the common reference point and a lowest subcarrier of a lowest PRB of the SS block.3. The method of claim 2 , wherein the information on the frequency position is defined in terms of resource blocks per frequency range based on whether the at least one carrier corresponds to a first frequency range or a second frequency range.4. The method of claim 1 , wherein the information on the frequency position is based on an absolute radio frequency channel number (ARFCN) corresponding to the at least one carrier.5. The method of claim 1 , wherein the location of the at least one carrier is identified ...

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21-09-2017 дата публикации

METHOD AND APPARATUS FOR ATTENUATING INTERFERENCE OR CANCELLING INTERFERENCE IN FILTER BANK MULTICARRIER SYSTEM

Номер: US20170272281A1
Принадлежит: Samsung Electronics Co., Ltd

This disclosure relates to a 5G or a pre-5G communication system to be provided to support a higher data rate following 4G communication systems such as LTE. A method according to one embodiment of the present invention is a method for attenuating interference of a signal received in a receiver of a filter bank multicarrier (FBMC) system, the method comprising the steps of: separately extracting data and a reference signal in a received FMBC symbol; obtaining a diagonal element channel of a desired symbol through a channel estimation from the extracted reference signal; generating an interference channel matrix of a non-diagonal component of the desired symbol, a diagonal component and a non-diagonal component of an interference symbol using a channel estimated diagonal component; reconfiguring to a banded channel matrix using an interference channel matrix; and attenuating the interference contained in the extracted data using the reconfigured banded channel matrix information and filter information of a transmitter of the filter bank multicarrier system.

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21-09-2017 дата публикации

METHOD FOR TRANSMITTING AND RECEIVING QAM SIGNAL IN FILTER BANK-BASED MULTICARRIER COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

Номер: US20170272293A1
Принадлежит:

Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transfer rate higher than that of a 4G communication system, such as LTE, and subsequent systems. The present invention relates to a method for transmitting and receiving a QAM signal in a filter bank-based multicarrier communication system, and an apparatus therefor. Particularly, the present invention provides an efficient transmission and reception method and apparatus capable of obtaining high performance in the transmission of a QAM signal without intrinsic interference in a multi-path delay channel environment in a filter bank-based multicarrier communication system. Accordingly, the present invention relates to a transmission method in a filter bank-based multicarrier (FBMC) communication system, and an apparatus therefor, the method comprising the steps of: spreading each of two QAM signals divided into a plurality of groups to a plurality of signals on a frequency axis; intersecting at least one signal, which is overlapped with a spread signal of an adjacent QAM signal among the plurality of spread signals, with the spread signal of the adjacent QAM signal; filtering, by each of the plurality of groups, the plurality of spread signals of which at least one signal has been intersected; and transmitting the plurality of filtered spread signals by being overlapped on a time axis.

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13-08-2020 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200259613A1
Принадлежит:

Disclosed are: a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security, and safety related services, and the like) on the basis of 5G communication technology and IoT-related technology. According to the disclosure, a terminal of a communication system can transmit, to a base station, information related to a mobile characteristic or a channel time-varying characteristic, receive information related to reference signal transmission from the base station, generate a reference signal on the basis of the information related to reference signal transmission, and transmit the reference signal to the base station. 1. A method of a terminal of a communication system , the method comprising:transmitting information related to a mobile characteristic or a channel time-varying characteristic to a base station;receiving reference signal transmission related information from the base station;generating a reference signal, based on the reference signal transmission related information; andtransmitting the reference signal to the base station.2. The method as claimed in claim 1 , wherein the reference signal transmission related information comprises at least one of transmission start position information of the reference signal claim 1 , transmission interval information onto the time axis claim 1 , and reference signal transmission pattern information on the frequency axis.3. The method as claimed in claim 1 , wherein the transmission start position information and the reference signal transmission pattern information from the reference signal transmission related information is received by downlink control information claim 1 , and the transmission interval information is ...

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27-09-2018 дата публикации

Apparatus and method for transmitting and receiving data in wireless communication system

Номер: US20180279330A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology are provided. The communication scheme is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology.

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27-09-2018 дата публикации

Apparatus and method for transmitting/receiving of data in a wireless communication system providing different services

Номер: US20180279332A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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.

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27-09-2018 дата публикации

METHOD AND APPARATUS FOR ADJUSTING TIMING IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180279334A1
Принадлежит:

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). An embodiment of the present disclosure relates to a method for operating a terminal, which includes receiving timing advance (TA) information related to an interference, determining whether to apply the TA information related to the interference, and transmitting uplink data based on the TA information related to the interference, and the terminal performing the same. Further, the present disclosure relates to a method and an apparatus for operating a base station operating with the terminal. 1. A method by a terminal , the method comprising:receiving timing advance (TA) information related to an interference;determining whether to apply the TA information related to the interference; andtransmitting uplink data based on the TA information related to the interference.2. The method of claim 1 , wherein the TA information related to the interference is received through downlink control information (DCI).3. The method of claim 1 , wherein determining whether to apply the TA information related to the interference is based on at least one of indication information indicating whether a direction of a slot for transmitting the uplink data is equal to a reference transmission direction or indication information indicating whether to apply the TA information related to the interference.4. The method of claim 1 , wherein:the TA information related to the interference comprises static TA information received through a radio resource control (RRC) message and dynamic TA information received through DCI, andthe TA information related to the interference is determined so that a cyclic prefix (CP) for the uplink data and a CP of another terminal receiving the uplink data as the interference overlap each other in consideration of a switching time and a propagation delay ...

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10-09-2020 дата публикации

DEVICE AND METHOD FOR TRANSMITTING UPLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200288457A1
Принадлежит:

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4-Generation (4G) communication system such as long-term evolution (LTE). The present disclosure is for transmitting an uplink control signal in a wireless communication system, an operating method of a terminal comprises receiving information notifying an indication scheme relating to a carrier for transmission of uplink control information and receiving subcarrier for the transmission of the uplink control information according to the indication scheme. 1. A method for operating a terminal in a wireless communication system , comprising:receiving information notifying an indication scheme relating to a carrier for transmission of uplink control information; andreceiving subcarrier information for the transmission of the uplink control information according to the indication scheme,wherein the carrier for the transmission of the uplink control information is one of uplink carriers used for carrier aggregation (CA) of the terminal.2. The method of claim 1 , further comprising:transmitting capability information of the terminal to determine the indication scheme.3. The method of claim 1 , further comprising:receiving control information indicating a size of information indicating an acknowledge (ACK) timing.4. A method for operating a base station in a wireless communication system claim 1 , comprising:transmitting information notifying an indication scheme relating to a carrier for transmission of uplink control information of a terminal; andtransmitting subcarrier information for the transmission of the uplink control information according to the indication scheme,wherein the carrier for the transmission of the uplink control information is one of uplink carriers used for carrier aggregation (CA) of the terminal.5. The method of claim 4 , further comprising:receiving capability information of the terminal to determine the ...

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08-11-2018 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL FOR LOW PEAK-TO-AVERAGE POWER RATIO IN WIRELESS COMMUNICATION SYSTEM

Номер: US20180324005A1
Принадлежит:

The present disclosure relates to a communication method and system for converging a 5G communication system for supporting higher data rates beyond a 4G system with an IoT technology. The present disclosure 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. The present disclosure can reduces a peak-to-average power ration (PAPR) by performing time domain cyclic filtering. Further, a data rate or coverage can be improved by selectively transmitting transmission waveforms through cyclic prefix (CP)-orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform-spread-OFDM (DFT-s-OFDM). 1. A method for transmitting a signal by a communication device in a wireless communication system , the method comprising:determining a coefficient used for spectrum shaping, the coefficient satisfying a predetermined maximum number of filter taps;performing the spectrum shaping based on the coefficient to reduce a peak-to-average power ratio (PAPR) for the signal.2. The method of claim 1 , wherein the communication device is a user equipment (UE) and the signal is an uplink signal.3. The method of claim 1 , wherein the predetermined maximum number of filter taps is 2 or 3.4. The method of claim 1 , wherein the coefficient used is determined based on at least one of a power normalization claim 1 , characteristics of a filter coefficient claim 1 , or dependency on a discrete Fourier transform (DFT) size.5. The method of claim 4 , wherein the characteristics of the filter coefficient corresponds to at least one of a real-symmetric filter claim 4 , a conjugate-symmetric filter claim 4 , an equal-gain filter claim 4 , or a low-pass filter.8. The method of claim 1 , wherein the spectrum shaping is applied only during transmission of the π/2-binary phase shift keying ...

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24-10-2019 дата публикации

Device and method for reducing peak-to-average power ratio in wireless communication system

Номер: US20190327120A1

The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a transmission device in a wireless communication system is provided. The method includes generating modulation symbols based on a modulation scheme, generating transformed data by applying a modified Fourier transform to the modulation symbols, generating a transmission signal based on the transformed data, and transmitting the transmission signal. The modified Fourier transform applies to each of the modulation symbols an amount of phase change that is shifted from an amount of reference phase change by a phase offset.

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07-12-2017 дата публикации

Method and device for providing different services in mobile communication system

Номер: US20170353963A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second. TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services.

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14-12-2017 дата публикации

METHOD AND DEVICE FOR PROVIDING CONTROL INFORMATION FOR DIFFERENT SERVICES

Номер: US20170359807A1
Принадлежит:

The present disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present disclosure relates to a method for providing control information for different services of a base station. A method of a first terminal includes: receiving control information; identifying a control channel for the first terminal based on the control information; and decoding information received in the control channel for the first terminal based on superposition transmission related information included in the control information. 1. A method for operating by a first terminal , the method comprising:receiving control information;identifying a control channel for the first terminal based on the control information; anddecoding information received in the control channel for the first terminal based on superposition transmission related information included in the control information.2. The method of claim 1 , wherein:the first terminal receives a first service using a first transmission time interval (TTI), anda second terminal receives a second service using a second TTI.3. The method of claim 2 , wherein the superposition transmission related information includes control information of the first terminal in a superposition region of the control channel and a superposition indicator indicating whether the superposition indicator is transmitted while superposing data for the second terminal.4. The method of claim 3 , wherein the superposition transmission related information includes at least one of puncturing information related to a superposition ratio or the control information of the first terminal or superposition power information related to a transmit power ratio of the data for the second terminal.5. The method of claim 3 , wherein the superposition transmission related information includes an avoidance indicator indicating whether to transmit the data for the second terminal in ...

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21-12-2017 дата публикации

Method and apparatus for designing reference signal pattern in multi-cell multi-carrier system

Номер: US20170366378A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate than a 4G communication system such as LTE. The present invention relates to channel estimation and equalization in a cellular environment on the basis of an FBMC transmission and reception technique. A communication method of a base station according to one embodiment of the present invention may comprise the steps of: determining a reference signal (RS) pattern building block of a plurality of cells according to filter information of the plurality of cells; determining an RS pattern of the plurality of cells by using the determined RS pattern building block and the size of a resource block (RB); and transmitting, to a terminal, information about the determined RS pattern. According to one embodiment of the present invention, it is possible to provide a method and an apparatus for mapping a reference signal in a multi-cell environment.

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05-11-2020 дата публикации

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING OF DATA IN WIRELESS COMMUNICATION SYSTEM

Номер: US20200351876A1
Принадлежит:

The present disclosure relates to a fifth generation (5G) or pre-5G communication system supporting a higher data transmission rate since fourth generation (4G) communication systems like long term evolution (LTE). A method for transmitting heterogeneous service data from a base station is provided. The method for transmitting data includes at least one processor configured to control to allocate a first resource by scheduling to provide the first service data to the first terminal, identify whether the second service data to be transmitted to the first terminal or the second terminal is generated using at least some of the first resource during the transmission of the first service data to the first terminal using the first resource, transmit the second service data by allocating the second service data to at least some of the first resource if the second service data is generated, and configure and transmit the second service data. 1. A method for transmitting data from a base station , the method comprising:transmitting, to a terminal, first control information to monitor second control information associated with an interrupted transmission;generating the second control information notifying at least one OFDM symbol associated with no transmission for the terminal; andtransmitting the second control information to the terminal,wherein the second control information includes at least 14 bits,wherein each bit of the second control information is mapped to at least one group, andwherein each of the at least one group includes at least one symbol.2. The method of claim 1 , wherein the data is an enhanced mobile broadband (eMBB) data.3. The method of claim 1 , wherein the at least one OFDM symbol are allocated for an ultra-reliable and low latency communication (URLLC) service data.4. The method of claim 1 , wherein the second control information indicates a physical resource block (PRB).5. A base station apparatus for transmitting data claim 1 , the base station ...

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28-12-2017 дата публикации

APPARATUS AND METHOD FOR CONTROLLING INTERFERENCE BETWEEN SERVICES IN WIRELESS COMMUNICATION SYSTEM

Номер: US20170373781A1
Принадлежит:

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transfer rate after a 4generation (4G) communication system such as long term evolution (LTE). A method for operating of a transmitting end in a wireless communication system includes allocating a first resource for a first service and a second resource for a second service, determining a precoder for controlling interference between the first service and the second service, precoding a first signal for the first service using the precoder, and transmitting the precoded first signal and a second signal for the second service through the first resource and the second resource. At least one part of the first resource overlaps with the second resource. 1. A method for operating of a transmitting end in a wireless communication system , the method comprising:allocating a first resource for a first service and a second resource for a second service;determining a precoder for controlling interference between the first service and the second service;precoding a first signal for the first service using the precoder; andtransmitting the precoded first signal and a second signal for the second service through the first resource and the second resource,wherein at least one part of the first resource overlaps with the second resource.2. The method of claim 1 , wherein the precoder comprises a combination of a first sub-precoder for controlling power and a second sub-precoder for controlling a size of an overlapped region of the first resource and the second resource.3. The method of claim 2 ,wherein if a ratio of power for the first signal and power for the second signal is less than a threshold, the first sub-precoder is determined to minimize a mean square error (MSE) for total subcarriers of the first signal, andwherein if the ratio of power for the first signal and power for the second signal is not less than the threshold, the first sub-precoder is determined ...

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17-03-2016 дата публикации

Symbol transmission method and apparatus for use in filter bank multicarrier system

Номер: WO2016039580A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

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 apparatus for transmitting symbols for use in an FBMC wireless communication system are provided. The FBMC symbol transmission method includes determining a truncation point of an FBMC symbol overlapped with a transient transmission duration according to an energy distribution characteristic of a filter applied to the FBMC symbol to be transmitted in a non-transient transmission duration, truncating the FBMC symbol at the truncation point in the transient transmission duration, changing an energy characteristic of a filter according to the energy distribution characteristic of the filter to be applied to the truncated FBMC symbol, filtering the FBMC symbol overlapped with the transient transmission duration using the filter having the changed energy characteristic, filtering the FBMC symbols positioned within the non-transient transmission duration according to a non-transient transmission duration characteristic, and transmitting the filtered FBMC symbols at a corresponding transmission timing.

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13-02-2018 дата публикации

Method for transmitting and receiving QAM signal in filter bank-based multicarrier communication system, and apparatus therefor

Номер: US9893923B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transfer rate higher than that of a 4G communication system, such as LTE, and subsequent systems. The present invention relates to a method for transmitting and receiving a QAM signal in a filter bank-based multicarrier communication system, and an apparatus therefor. Particularly, the present invention provides an efficient transmission and reception method and apparatus capable of obtaining high performance in the transmission of a QAM signal without intrinsic interference in a multi-path delay channel environment in a filter bank-based multicarrier communication system. Accordingly, the present invention relates to a transmission method in a filter bank-based multicarrier (FBMC) communication system, and an apparatus therefor, the method comprising the steps of: spreading each of two QAM signals divided into a plurality of groups to a plurality of signals on a frequency axis; intersecting at least one signal, which is overlapped with a spread signal of an adjacent QAM signal among the plurality of spread signals, with the spread signal of the adjacent QAM signal; filtering, by each of the plurality of groups, the plurality of spread signals of which at least one signal has been intersected; and transmitting the plurality of filtered spread signals by being overlapped on a time axis.

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23-05-2019 дата публикации

Methods and apparatus for transmitting rach in wireless communication system

Номер: WO2019098718A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

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 for operating a terminal in a wireless communication system includes receiving configuration information regarding a random access channel (RACH) from a base station, and transmitting a RACH preamble based on the configuration information. The configuration information includes information indicating the number of RACH transmission occasions in a frequency axis. A terminal includes a processor configured to receive configuration information regarding a RACH from a base station, and transmit a RACH preamble according to the configuration information, wherein the configuration information includes information indicating the number of RACH transmission occasions in a frequency axis.

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05-04-2022 дата публикации

Device and method for supporting different services in wireless communication system

Номер: US11296824B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to 5 th generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4 th generation (4G) communication system such as long term evolution (LTE). An operation method of a base station in a wireless communication system comprises the steps of: reallocating a resource, which has been allocated to a first service, to a second service in order to provide the second service; transmitting control information related to at least one reference signal punctured for reallocation of the resource; and transmitting the at least one punctured reference signal via a resource different from the resource having been allocated to the second service.

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26-10-2021 дата публикации

Method and apparatus of operation considering bandwidth part in next generation wireless communication system

Номер: US11160054B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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.

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28-01-2020 дата публикации

Method and apparatus for transmitting and receiving signal in communication system using scalable frame structure

Номер: US10547417B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A 5th generation (5G) or pre-5G communication system supporting higher data rate after a 4th generation (4G) communication system such as a long-term evolution (LTE) is disclosed. The system includes a scalable frame structure to integrally support various services in a cellular wireless communication system, and provides a transmission/reception method to which the corresponding frame structure is applied, so that the system performance is improved through minimizing of inter-symbol interference between the 5G system and the LTE system or between the 5G systems. The scalable frame structure adjusts a cyclic prefix (CP) length by giving a specific pattern thereto when subcarrier spacing is extended, while maintaining a CP overhead in the same manner based on the frame structure based on a specific subcarrier spacing, thereby maintaining the 2m-times relationship between a symbol length, CP length, slot length, and subframe length.

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03-12-2019 дата публикации

Method and apparatus of flexible data transmissions and receptions in next generation cellular networks

Номер: US10499371B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information.

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07-03-2022 дата публикации

Procedure and apparatus for the operation of synchronization in cellular networks of the Internet of things

Номер: ES2898301T3
Принадлежит: SAMSUNG ELECTRONICS CO LTD

Un procedimiento de un dispositivo inalámbrico para recibir señales de una célula del Internet de las cosas de banda estrecha, NB-IoT, en una red de comunicación inalámbrica, el procedimiento comprende: recibir, desde una estación de base que opera una célula LTE (Evolución a Largo Plazo) y una célula NB-IoT, un bloque de información principal (MIB) para la célula NB-IoT, el MIB incluye información sobre un modo de operación de la célula NB-IoT; identificar un desfase de frecuencia NB-IoT a partir de una trama de canales LTE, en el que el desfase de frecuencia NB-IoT se recibe en el MIB en caso de que la información sobre el modo de operación indique un despliegue de banda de guarda o un despliegue de identificador de célula física diferente, PCI, en banda donde un PCI para la célula NB-IoT es diferente de un PCI para la célula LTE, y el desfase de frecuencia NB-IoT se identifica sobre la base de la información sobre un bloque de recursos físicos, PRB, asociado con una señal de referencia de la célula LTE en el MIB en caso de que la información sobre el modo de operación indique un despliegue del mismo PCI en banda en el que la célula NB-IoT y la célula LTE comparten un mismo PCI, y recibir, desde la estación de base, señales de la célula NB-IoT basadas en el desfase de frecuencia NB-IoT. A method of a wireless device for receiving signals from a narrowband Internet of Things, NB-IoT, cell in a wireless communication network, the method comprising: receiving, from a base station operating an LTE cell (Evolution Long Term) and an NB-IoT cell, a main information block (MIB) for the NB-IoT cell, the MIB includes information about an operation mode of the NB-IoT cell; identify an NB-IoT frequency offset from an LTE channel frame, where the NB-IoT frequency offset is received in the MIB in case the mode of operation information indicates a guardband deployment or a different physical cell identifier, PCI, deployment in band where a PCI for the NB-IoT cell is different ...

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09-04-2024 дата публикации

Method and apparatus of flexible data transmissions and receptions in next generation cellular networks

Номер: US11956804B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT) is provided. The present disclosure 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information.

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05-04-2018 дата публикации

Method and apparatus for managing downlink to uplink interference in wireless communication system

Номер: WO2018062873A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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 or connected car, health care, digital education, smart retail, security and safety services. The present disclosure discloses a method capable of solving a problem of downlink-to-uplink interference (DL-to-UL interference) occurring as dynamic time division duplex (TDD) is applied in a wireless communication system.

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23-01-2024 дата публикации

Method and apparatus of operation considering bandwidth part in next generation wireless communication system

Номер: US11882547B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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.

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27-09-2018 дата публикации

Apparatus and method for transmitting and receiving data in wireless communication system

Номер: WO2018174608A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A communication scheme and system for converging a 5 th generation (5G) communication system for supporting a data rate higher than that of a 4 th generation (4G) system with an internet of things (IoT) technology are provided. The communication scheme is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology.

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21-04-2020 дата публикации

Apparatus and method for transmitting and receiving data in wireless communication system

Номер: US10631312B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology are provided. The communication scheme is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology.

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17-08-2023 дата публикации

Device and method for allocating resources in wireless communication system

Номер: US20230262698A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A method performed by a base station in a wireless communication system includes: identifying initial transmission scheduling intervals of terminals within a first cell; and determining whether to allocate resources to a first terminal in a second cell, based on the initial transmission scheduling intervals.

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25-10-2023 дата публикации

Method and apparatus of determining frequency resources in next generation cellular networks

Номер: EP4236175A3
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The invention provides a method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, a synchronization signal, SS, block; receiving, from the base station, first information on a reference point associated with common resource blocks; and identifying second information on a subcarrier offset a lowest subcarrier of the SS block and a lowest subcarrier of a lowest resource block which overlaps with the SS block, wherein the common resource blocks are indexed from 0 and upwards in the frequency domain for a subcarrier spacing configuration based on the reference point. The invention further provides a method performed by a base station, as well as a terminal and a base station.

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28-12-2023 дата публикации

Method and device for providing different services in mobile communication system

Номер: US20230422282A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services.

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16-05-2024 дата публикации

Method and apparatus of operation considering bandwidth part in next generation wireless communication system

Номер: US20240163849A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a communication method and system for converging a 5 th -Generation (5G) communication system for supporting higher data rates beyond a 4 th -Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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.

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18-12-2018 дата публикации

Method and apparatus for designing reference signal pattern in multi-cell multi-carrier system

Номер: US10158514B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate than a 4G communication system such as LTE. The present invention relates to channel estimation and equalization in a cellular environment on the basis of an FBMC transmission and reception technique. A communication method of a base station according to one embodiment of the present invention may comprise the steps of: determining a reference signal (RS) pattern building block of a plurality of cells according to filter information of the plurality of cells; determining an RS pattern of the plurality of cells by using the determined RS pattern building block and the size of a resource block (RB); and transmitting, to a terminal, information about the determined RS pattern. According to one embodiment of the present invention, it is possible to provide a method and an apparatus for mapping a reference signal in a multi-cell environment.

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27-09-2018 дата публикации

Apparatus and method for transmitting/receiving of data in a wireless communication system providing different services

Номер: WO2018174666A1
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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.

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13-02-2019 дата публикации

Method and device for providing different services in mobile communication system

Номер: EP3440792A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The present disclosure relates to a method and device for providing different services in a mobile communication system. In an embodiment, a base station sets interference influence information including information about interference of a second signal of a second system using a second TTI with regard to a first signal of a first system using a first transmission time interval (TTI). Also, the base station transmits the first signal of the first system to a terminal, and transmits the interference influence information to the terminal in a predetermined time. In a situation where different services coexist, an HARQ retransmission technique is provided for effectively overcoming a transmission failure caused by influence of interference between services.

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20-05-2020 дата публикации

Method and apparatus of determining frequency resources in next generation cellular networks

Номер: EP3653010A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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 by a terminal for determining frequency resources in a cellular network is provided.

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30-08-2023 дата публикации

Method and apparatus of determining frequency resources in next generation cellular networks

Номер: EP4236175A2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

The invention provides a method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, a synchronization signal, SS, block; receiving, from the base station, first information on a reference point associated with common resource blocks; and identifying second information on a subcarrier offset a lowest subcarrier of the SS block and a lowest subcarrier of a lowest resource block which overlaps with the SS block, wherein the common resource blocks are indexed from 0 and upwards in the frequency domain for a subcarrier spacing configuration based on the reference point. The invention further provides a method performed by a base station, as well as a terminal and a base station.

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18-02-2020 дата публикации

Communication device and method in filter-bank based single carrier frequency division multiple access system

Номер: US10567208B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. Particularly, the present invention relates to a communication device and method in a filter-bank based single carrier frequency division multiple access (FB based SC-FDMA) system and, particularly, to a communication device and method for lowering a peak to average power ratio (PAPR) in an uplink.

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06-11-2019 дата публикации

Method and apparatus for managing resources for coexistence of long term evolution system and new radio system

Номер: EP3563618A1
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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 of a user equipment for supporting a first communication system and a second communication system is provided. The method comprises shifting first resource blocks (RBs) associated with transmission in a first communication system by a certain frequency value to match a grid of the first RBs with a grid of second RBs associated with transmission in a second communication system, and transmitting the shifted first RBs to a base station.

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21-09-2021 дата публикации

Apparatus and method for transmitting/receiving of data in a wireless communication system providing different services

Номер: US11129175B2
Принадлежит: SAMSUNG ELECTRONICS CO LTD

A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (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.

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28-09-2021 дата публикации

Apparatus and method for controlling interference between services in wireless communication system

Номер: US11133886B2

The present disclosure relates to a 5 th generation (5G) or pre-5G communication system for supporting a higher data transfer rate after a 4 th generation (4G) communication system such as long term evolution (LTE). A method for operating of a transmitting end in a wireless communication system includes allocating a first resource for a first service and a second resource for a second service, determining a precoder for controlling interference between the first service and the second service, precoding a first signal for the first service using the precoder, and transmitting the precoded first signal and a second signal for the second service through the first resource and the second resource. At least one part of the first resource overlaps with the second resource.

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