Method and apparatus for autonomous transmission

    公开(公告)号:US11838795B2

    公开(公告)日:2023-12-05

    申请号:US17397503

    申请日:2021-08-09

    CPC classification number: H04W28/04 H04L1/1812 H04W16/14 H04W72/23

    Abstract: A method and an apparatus for autonomous transmission in an unlicensed band are provided. The method and apparatus comprising: a wireless device receiving a semi-persistent scheduling (SPS) configuration for first uplink transmission, wherein the SPS configuration includes information regarding an SPS window indicating a time section in which the first uplink transmission is allowed; the wireless device receiving on a DL channel downlink control information (DCI) having an uplink grant that instructs second uplink transmission, wherein the uplink grant includes a second hybrid automatic repeat request process identifier (HARQid) for the second uplink transmission; and the wireless device performing the first uplink transmission in the SPS window when it is confirmed that a wireless medium is in an idle state by performing a listen before talk (LBT) in the SPS window, wherein a first HARQid for the first uplink transmission is not the same as the second HARQid.

    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.

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