METHOD FOR TRANSMITTING/RECEIVING DOWNLINK DATA IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

    公开(公告)号:US20230164782A1

    公开(公告)日:2023-05-25

    申请号:US18151791

    申请日:2023-01-09

    CPC classification number: H04W72/1273 H04L1/1642 H04W72/0446 H04W72/23

    Abstract: Disclosed in the present invention are a method for transmitting/receiving downlink data in a wireless communication system, and a device therefor. Specifically, a method of receiving downlink data by user equipment (UE) in a wireless communication system comprises the steps of: receiving configuration information; receiving downlink control information (DCI), the DCI comprising a transmission configuration indication (TCI) field, and multiple TCI states being indicated on the basis of the TCI field; and receiving multiple transmission occasions of an identical transport bloc k on the basis of the DCI. The multiple transmission occasions are received through a time-domain resource on the basis of time division multiplexing (TDM), and the number of the multiple transmission occasions is determined on the basis of the number of the multiple TCI states.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PDCCH IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230096196A1

    公开(公告)日:2023-03-30

    申请号:US17802452

    申请日:2021-03-09

    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 DYNAMICALLY INDICATING SPATIAL PARAMETERS IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230090424A1

    公开(公告)日:2023-03-23

    申请号:US17992488

    申请日:2022-11-22

    Abstract: Disclosed are a method and a device for dynamically indicating and applying spatial parameters in a wireless communication system. A method for applying spatial parameters by means of a terminal in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: receiving, from a base station, downlink control information (DCI) including first information on one or more spatial parameters, second information on time domain resource allocation, and third information on whether to schedule a data channel; transmitting, on the basis of the second information, hybrid automatic repeat request-acknowledgement (HARQ-ACK) information to the base station on the basis of the third information indicating that the data channel is not scheduled; and after transmitting the HARQ-ACK information, performing uplink transmission to the base station or downlink reception from the base station on the basis of the one or more spatial parameters based on the first information.

    METHOD FOR TRANSMITTING AND RECEIVING DATA REPEATEDLY TRANSMITTED IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME

    公开(公告)号:US20220286868A1

    公开(公告)日:2022-09-08

    申请号:US17635338

    申请日:2020-08-14

    Abstract: Disclosed are a method for transmitting and receiving downlink data in a wireless communication system, and a device for same. Specifically, a method for a user equipment (UE) to receive downlink data in a wireless communication system includes the steps of: receiving setting information for power measurement related to beam reporting; receiving a reference signal for the power measurement on the basis of the setting information; performing the power measurement on the basis of the reference signal; receiving downlink control information (DCI) through a reception beam determined on the basis of the power measurement; and receiving a plurality of transmission occasions on the basis of the DCI, wherein the DCI may include a transmission configuration indication (TCI) field, a plurality of TCI states may be indicated on the basis of the TCI field, the plurality of transmission occasions may correspond to the same transport block, the plurality of transmission occasions may be received in different time domain resources on the basis of time division multiplexing (TDM), and the number of the plurality of transmission occasions may be determined on the basis of the number of the plurality of TCI states.

    METHOD FOR TRANSMITTING AND RECEIVING HARQ INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

    公开(公告)号:US20220286237A1

    公开(公告)日:2022-09-08

    申请号:US17748368

    申请日:2022-05-19

    Abstract: A method for a terminal to transmit hybrid automatic repeat and request (HARQ) feedback information in a wireless communication system supporting coordinated multiple point (CoMP) transmission includes: receiving a first PDCCH and a second PDCCH from a first transmission node and a second transmission node, respectively; receiving, from the first transmission node and the second transmission node, a first PDSCH and a second PDSCH scheduled by the first PDCCH and the second PDCCH, respectively; determining HARQ-ACK codebook for the first PDSCH and the second PDSCH; and transmitting HARQ feedback information for the determined HARQ-ACK codebook. The first and second PDCCHs include specific HARQ feedback timing information used for the CoMP. When a reception occasion for the first PDSCH and a reception occasion for the second PDSCH overlap, the HARQ feedback information is transmitted on a slot corresponding to the value indicated by the specific HARQ feedback timing information.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220256561A1

    公开(公告)日:2022-08-11

    申请号:US17667016

    申请日:2022-02-08

    Abstract: A method of transmitting channel state information (CSI) in a wireless communication system includes: receiving, from a base station, configuration information related to CSI; receiving, from the base station, a CSI-reference signal (CSI-RS) on a plurality of CSI-RS resources; and transmitting, to the base station, first CSI based on the configuration information. The plurality of CSI-RS resources corresponding to the configuration information are configured with (i) one or more channel measurement resources (CMRs) configured to be used to derive CSI based on a single CMR and (ii) one or more CMR pairs configured to be used to derive CSI based on a single CMR pair, unless there is a specific configuration by the configuration information, based on the first CSI being CSI derived based on a single CMR, any CMR included in the one or more CMR pairs may be not used to derive the first CSI.

    METHOD FOR TRANSMITTING AND RECEIVING DEMODULATION REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

    公开(公告)号:US20220224471A1

    公开(公告)日:2022-07-14

    申请号:US17608329

    申请日:2020-05-04

    Abstract: Disclosed are a method for receiving a demodulation reference signal (DM-RS) by a user equipment (UE) in a wireless communication system and a device therefor.
    Particularly, the method for receiving a DM-RS by a user equipment (UE) in a wireless communication system includes receiving activation information; transmitting feedback information on the activation information; receiving downlink control information (DCI) including i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the DM-RS based on the DCI, wherein the activation information includes information related to mapping of a code point of the TCI field and a TCI state, wherein based on the TCI field indicating a code point mapped with a plurality of TCI states, and the antenna port field indicating antenna ports of a plurality of code division multiplexing (CDM) groups, a first TCI state among the plurality of TCI states corresponds to a CDM group associated with a first antenna port based on an instruction order of the antenna ports.

    METHOD FOR TRANSMITTING AND RECEIVING DATA CHANNEL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

    公开(公告)号:US20220217729A1

    公开(公告)日:2022-07-07

    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 AND RECEIVING SOUNDING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

    公开(公告)号:US20220140966A1

    公开(公告)日:2022-05-05

    申请号:US16956519

    申请日:2018-12-21

    Abstract: A method for transmitting and receiving a radio signal in a wireless communication system and a device therefor are disclosed. A method for receiving, by a base station, a sounding reference signal (SRS) in the wireless communication system includes transmitting, to a user equipment (UE), configuration information for transmission of the SRS; and receiving, from the UE, the SRS transmitted based on the configuration information. The configuration information includes group hopping information and sequence hopping information for sequence hopping of the SRS. A sequence length of the SRS is based on a product of a number of candidates of the group hopping information and a number of candidates of the sequence hopping information. The number of candidates of the group hopping information and the number of candidates of the sequence hopping information are configured based on a number of neighboring cells of the base station.

    METHOD FOR TRANSMITTING/RECEIVING DOWNLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

    公开(公告)号:US20220132489A1

    公开(公告)日:2022-04-28

    申请号:US17573740

    申请日:2022-01-12

    Abstract: A method for transmitting and receiving a downlink channel in a wireless communication system and a device therefor are disclosed. Specifically, a method of receiving, by a user equipment (UE), a downlink channel in a wireless communication system, the method comprising receiving configuration information related to a plurality of control resource sets, wherein an index of a control resource set group associated with each control resource set is indicated based on the configuration information; and receiving (i) a first downlink channel based on a first control resource set and (ii) a second downlink channel based on a second control resource set, wherein, based on that an index of a first control resource set group associated with the first control resource set is not indicated, the index of the first control resource set group is set to 0.

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