Method for reporting beam information in wireless communication system, and apparatus therefor

    公开(公告)号:US12177706B2

    公开(公告)日:2024-12-24

    申请号:US17610668

    申请日:2020-05-14

    Inventor: Jiwon Kang

    Abstract: Suggested are a method and an apparatus for reporting beam information in a wireless communication system. Specifically, the method performed by a terminal may comprise the steps of: receiving, from a base station, downlink control information for triggering beam reporting; receiving, from the base station, a resource related to beam reporting; and reporting, to the base station, first beam information or second beam information, on the basis of the resource related to beam reporting.

    Method state in wireless communication system, and device therefor

    公开(公告)号:US12170561B2

    公开(公告)日:2024-12-17

    申请号:US17607832

    申请日:2020-04-29

    Abstract: Disclosed in the present disclosure are a method for reporting channel state information (CSI) in a wireless communication system, and a device therefor. Specifically, a method for user equipment (UE) to report channel state information (CSI) in a wireless communication system comprises: a step for receiving CSI-related configuration information from a base station (BS); a step for receiving a reference signal from the base station; a step for calculating the CSI on the basis of the reference signal; and a step for transmitting the CSI to the base station. The step for calculating the CSI includes a step for quantizing a magnitude coefficient included in a matrix related to a codebook, a first set of reference amplitude and a second set of differential amplitude for the quantization of o the magnitude coefficient are predefined, and the magnitude coefficient may be quantized on the basis of a subset of (i) the first set and (ii) the second set.

    Method for transmitting and receiving plurality of physical downlink shared channels in wireless communication system, and device therefor

    公开(公告)号:US12150137B2

    公开(公告)日:2024-11-19

    申请号:US17420058

    申请日:2020-01-13

    Abstract: Presented in the present specification are a method for transmitting and receiving a plurality of PDSCHs in a wireless communication system, and a device therefor. Particularly, a method performed by a user equipment (UE) comprises the steps of: transmitting UE capability information related to the number of reception beams that can be supported simultaneously; receiving a plurality of physical downlink control channels (PDCCHs) including information for scheduling a PDSCH; and receiving a plurality of PDSCHs on the basis of the plurality of PDCCHs, wherein each of the plurality of PDSCHs can be received, on the basis of the UE capability information related to supporting one receiving beam, in resources set on the basis of a requirement time for applying quasi co-location (QCL) information about a spatial parameter.

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

    公开(公告)号:US12150132B2

    公开(公告)日:2024-11-19

    申请号:US18009707

    申请日:2021-06-22

    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 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 reporting channel state information in wireless communication system, and device for same

    公开(公告)号:US12075456B2

    公开(公告)日:2024-08-27

    申请号:US17635656

    申请日:2020-08-13

    CPC classification number: H04W72/542 H04W72/0453 H04W72/046 H04W72/56

    Abstract: Disclosed are a method for reporting channel state information in a wireless communication system, and a device for same.
    Specifically, a method for a user equipment (UE) to report channel state information (CSI) in a wireless communication system includes: receiving bandwidth part (BWP) configuration information related to a BWP; receiving information for activating a specific bandwidth part among one or more bandwidth parts based on the BWP configuration information; receiving a reference signal; calculating CSI based on the reference signal; and transmitting the CSI by omitting a part of the CSI in the activated specific bandwidth part, based on a priority rule, wherein the CSI includes information related with coefficients, and each of elements of the information related to the coefficients is classified as a first group and a second group based on a priority value, wherein the priority value is determined as an order in which a higher index and a lower index of indexes of a frequency domain related to the elements are sequentially crossed based on a predefined specific index, and wherein a priority of the first group is defined as being higher than a priority of the second group in the priority rule.

    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 performing uplink transmission in wireless communication systems, and device for same

    公开(公告)号:US12069678B2

    公开(公告)日:2024-08-20

    申请号:US17427722

    申请日:2020-02-07

    CPC classification number: H04W72/23 H04L5/0048 H04L5/0053

    Abstract: Disclosed in the present invention are a method for performing uplink transmission in a wireless communication system and a device for same. Specifically, a method, by which a user equipment (UE) transmits a sounding reference signal (SRS) in a wireless communication system, may include: a step for receiving setting information related to the transmission of the SRS; and a step for transmitting the uplink control channel on the basis of the setting information, wherein the setting information includes settings indicating at least one of i) a transmission unit or ii) a beam related to the transmission of the SRS. The transmission unit and the beam may be determined on the basis of i) an uplink reference signal transmitted by the UE or ii) a downlink reference signal received by the UE.

    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.

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