Method and apparatus for transmitting and receiving channel state information in wireless communication system

    公开(公告)号:US12113597B2

    公开(公告)日:2024-10-08

    申请号:US17760044

    申请日:2021-02-15

    CPC classification number: H04B7/0626 H04L5/0048

    Abstract: Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. The method for transmitting channel state information (CSI) according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information related to the CSI, wherein the configuration information includes information about a CSI-RS resource set; receiving a CSI-reference signal (CSI-RS) from the base station; and transmitting the CSI, to the base station, on the basis of the configuration information and the CSI-RS. The CSI-RS resource set may include M CSI-RS resource groups (M is a natural number), and the CSI may include N first CSI sets generated on the basis of a single CSI-RS resource in N mutually different CSI-RS resource groups (N≤M, N is a natural number) from among the M CSI-RS resource groups.

    Method for transmitting and receiving uplink for plurality of TRPs and device for same

    公开(公告)号:US12069715B2

    公开(公告)日:2024-08-20

    申请号:US18374521

    申请日:2023-09-28

    CPC classification number: H04W72/563 H04B7/0639 H04W72/23 H04W72/51

    Abstract: The present invention relates to NR communication. A method for a user equipment provided with a plurality of panels or antennas to transmit an uplink signal to a plurality of transmission reception points (TRPs) comprises the steps of: receiving Downlink Control Indicators (DCI) including first to n-th field values; and transmitting identical uplink data to the plurality of TRPs by using the same number of antenna ports on the basis of the DCIs, wherein the first field value among the first to n-th field values may be determined on the basis of a Transmission Rank Indicator (TRI) and a Transmit Precoder Matrix Indicator (TPMI) corresponding to the selected first TRP among the plurality of TRPs, the second to n-th field values may be determined on the basis of second to n-th TPMIs respectively corresponding to the remaining second to n-th TRPs other than the selected first TRP, and the TRIs corresponding to the second to n-th field values may be determined on the basis of the TRI in the first field value.

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

    公开(公告)号:US12063174B2

    公开(公告)日:2024-08-13

    申请号:US17608331

    申请日:2020-05-04

    CPC classification number: H04L5/0048 H04L5/0035 H04W72/23

    Abstract: A method for receiving a physical downlink shared channel (PDSCH) by a user equipment (UE) in a wireless communication system is disclosed, the method according to an embodiment of the present disclosure comprising: receiving downlink control information (DCI); wherein the DCI includes i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the PDSCH scheduled based on the DCI, wherein a plurality of TCI states are indicated based on the TCI field, and demodulation reference signal (DM-RS) ports of a plurality of code division multiplexing (CDM) groups are indicated based on the antenna port field, and wherein a first TCI state among the plurality of TCI states corresponds to a CDM group including a first DM-RS port based on an instruction order of the DM-RS ports.

    Method and apparatus for supporting a rate matching for overlapped resources in NC-JT in wireless communication system

    公开(公告)号:US12058686B2

    公开(公告)日:2024-08-06

    申请号:US17310564

    申请日:2020-02-12

    CPC classification number: H04W72/23 H04L5/0048

    Abstract: Disclosed are a method for transmitting and receiving data in a wireless communication system and an apparatus therefor. In specific, the method for transmitting and receiving data in a wireless communication system comprises the steps of: receiving first downlink control information (DCI) from a first base station and receiving second downlink control information (DCI) from a second base station; and, in a first resource region and a second resource region that are allocated on the basis of the first DCI, receiving first data from the first base station and, in the first resource region that is allocated on the basis of the second DCI, receiving second data from the second base station, wherein a rate matching of resources related to a demodulation reference signal (DMRS) may be set differently in each of the first resource region and the second resource region.

    Method and apparatus for uplink transmission and reception in wireless communication system

    公开(公告)号:US12035318B2

    公开(公告)日:2024-07-09

    申请号:US18109458

    申请日:2023-02-14

    Abstract: Disclosed are a method and an apparatus for uplink transmission and reception in a wireless communication system. A method of performing uplink transmission initiated by a terminal in a wireless communication system according to an embodiment of the present disclosure may include receiving, from a base station, configuration information including multiple uplink transmission resources related to a triggering event; and based on the triggering event for the uplink transmission, performing the uplink transmission to the base station in a transmission occasion, based on a first uplink transmission resource or a second uplink transmission resource of the multiple uplink transmission resources, wherein the first uplink transmission resource is related to a first control resource set (CORESET) group, and the second uplink transmission resource is related to a second CORESET group.

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

    公开(公告)号:US11997678B2

    公开(公告)日:2024-05-28

    申请号:US17594060

    申请日:2020-04-03

    Inventor: Hyungtae Kim

    CPC classification number: H04W72/20 H04W72/0446

    Abstract: A method for transmitting and receiving data in a wireless communication system, and an apparatus therefor are disclosed. Specifically, a method for receiving data by means of a terminal comprises the steps of: receiving setting information related to one or more control resources which are set to a first set or a second set of control resources, respectively; receiving a first physical control channel and a second physical control channel based on the setting information; receiving a first physical data channel based on the first set of control resources associated with the control resource which receives the first physical control channel; and receiving a second physical data channel based on the second set of control resources associated with the control resource which receives the second physical control channel, wherein each of the first physical data channel and the second physical data channel may be scrambled based on different initial values.

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

    公开(公告)号:US11963168B2

    公开(公告)日:2024-04-16

    申请号:US17822124

    申请日:2022-08-24

    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.

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

    公开(公告)号:US11949625B2

    公开(公告)日:2024-04-02

    申请号:US17431255

    申请日:2020-02-14

    CPC classification number: H04L5/0055 H04L1/1819 H04L5/0094

    Abstract: In the present disclosure, disclosed are a method for transmitting and receiving data in a wireless communication system and an apparatus therefor. Particularly, a method by which a user equipment (UE) supported by a plurality of apparatuses comprising a first apparatus and a second apparatus transmits and receives data in a wireless communication system comprises the steps of: receiving first control information from the first apparatus and receiving second control information from the second apparatus; receiving data from at least one of the first apparatus or the second apparatus; and transmitting, to at least one of the plurality of apparatuses, first feedback information regarding the first apparatus and second feedback information regarding the second apparatus, wherein the first control information and the second control information each comprises a downlink assignment index (DAI), and the DAI may be set on the basis of an index related to the plurality of apparatuses.

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