Method for transmitting and receiving data channel in wireless communication system, and apparatus therefor

    公开(公告)号:US12193043B2

    公开(公告)日:2025-01-07

    申请号:US17608334

    申请日:2020-05-04

    Abstract: A method for receiving a data channel by a user equipment (UE) in a wireless communication system is disclosed, the method according to an embodiment of the present disclosure comprising: reporting, to a base station, channel state information (Channel State Information); receiving, from the base station, downlink control information (DCI) including first information and second information; and receiving, from the base station, the data channel scheduled based on the DCI, wherein the first information indicates a plurality of TCI states and the second information indicates a plurality of DMRS (Demodulation Reference Signal) ports determined based on the channel state information, wherein the plurality of DMRS ports are associated with a plurality of code division multiplexing (CDM) groups, wherein a first TCI state corresponds to a first CDM group of a first DMRS port based on an instruction order of the plurality of DMRS ports.

    Method for transmitting SRS and terminal therefor

    公开(公告)号:US11968145B2

    公开(公告)日:2024-04-23

    申请号:US18075933

    申请日:2022-12-06

    CPC classification number: H04L5/0051 H04L1/06 H04L5/0023

    Abstract: A method by which a terminal transmits an SRS can comprise the steps of: receiving, from a base station, first information indicating symbols to which the SRS is transmitted among a plurality of symbols, when the terminal is configured to perform antenna switching for an SRS transmission on the plurality of symbols; and transmitting the SRS on the indicated symbols, wherein the SRS is transmitted through antenna ports respectively corresponding to the indicated symbols, and the antenna ports respectively corresponding to the indicated symbols can be different from each other.

    Method and apparatus for transmitting and receiving PDCCH in wireless communication system

    公开(公告)号:US11864179B2

    公开(公告)日:2024-01-02

    申请号:US18088176

    申请日:2022-12-23

    CPC classification number: H04W72/1273 H04W72/231

    Abstract: Disclosed are a method and apparatus for transmitting and receiving a physical downlink control channel (PDCCH) in a wireless communication system. A method for receiving a PDCCH, according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information related to a control resource set (CORESET); and receiving, from the base station, a PDCCH within the CORESET. The configuration information may include transmission control indicator (TCI) state information related to the CORESET, the TCI state information may include information about one or more reference signals which are in a quasi-co-location (QCL) relationship with one or more antenna ports of a demodulation reference signal (DMRS) of the PDCCH, and a plurality of TCI states may be configured for the CORESET.

    Method and device for transmitting/receiving HARQ-ACK information in wireless communication system

    公开(公告)号:US11838133B2

    公开(公告)日:2023-12-05

    申请号:US18071741

    申请日:2022-11-30

    CPC classification number: H04L1/1861 H04L1/1812 H04L5/0055

    Abstract: A method for transmitting and receiving HARQ-ACK information in a wireless communication system and a device therefor are disclosed. Specifically, a method of transmitting, by a user equipment (UE), HARQ-ACK information in a wireless communication system comprises receiving first downlink control information (DCI) based on a first control resource set group and second DCI based on a second control resource set group; determining a physical uplink control channel (PUCCH) resource for a transmission of the HARQ-ACK information; and transmitting the HARQ-ACK information based on the determined PUCCH resource, wherein the first DCI and the second DCI are indexed based on (i) an index of a physical downlink control channel (PDCCH) related monitoring occasion, (ii) a cell index, and (iii) an index associated with each control resource set group, and wherein the PUCCH resource is determined based on a last DCI among the first DCI and the second DCI.

    METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230318687A1

    公开(公告)日:2023-10-05

    申请号:US18011731

    申请日:2021-06-22

    CPC classification number: H04B7/06968 H04L5/0051 H04B7/0626

    Abstract: A method and an apparatus for transmitting/receiving a signal in a wireless communication system are disclosed. A method for receiving a downlink signal according to one embodiment of the present disclosure, may comprise steps of: receiving transmission configuration indicator (TCI) state information of a downlink signal from a base station, the TCI state information including quasi co-location (QCL) information for configuring QCL relation between the downlink signal and a reference signal; and receiving the downlink signal based on the TCI state information from the base station. The reference signal for the downlink signal may be configured based on a non-serving cell other than a serving cell of the terminal, a signal of a non-serving cell, measurement object information for radio resource management (RRM) measurement configured by the QCL information.

    Method for transmitting and receiving physical downlink shared channel in wireless communication system, and device therefor

    公开(公告)号:US11632779B2

    公开(公告)日:2023-04-18

    申请号:US17651043

    申请日:2022-02-14

    Abstract: Disclosed in the present disclosure are a method for transmitting and receiving a physical downlink shared channel (PDSCH) in a wireless communication system, and a device therefor. Particularly, a method by which user equipment (UE) receives a PDSCH in a wireless communication system comprises the steps of receiving configuration information for the PDSCH, the configuration information including a plurality of TCI state configurations; receiving activation information, the plurality of TCI state configurations being activated by the activation information, and the activation information including mapping information about the activated TCI state configurations and code points of a transmission configuration indication (TCI) field in downlink control information; receiving the DCI including the TCI field; and receiving a plurality of PDSCH transmission occasions on the basis of the indication, through the TCI field, of a specific code point mapped to a plurality of TCI states, wherein the plurality of PDSCH transmission occasions correspond to the same transport block, the plurality of PDSCH transmission occasions are received in a time area resource on the basis of time division multiplexing (TDM), and the number of the plurality of PDSCH transmission occasions can be determined on the basis of the number of TCI states mapped to the specific code point.

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