Uplink transmission method and apparatus

    公开(公告)号:US11876741B2

    公开(公告)日:2024-01-16

    申请号:US17268603

    申请日:2019-08-17

    CPC classification number: H04L5/0048 H04W72/1268 H04W72/23

    Abstract: The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.

    Multiple transmit-receive points (TRPs) or antenna panels based CQI measurement reporting method, apparatus, network side device and terminal

    公开(公告)号:US12278772B2

    公开(公告)日:2025-04-15

    申请号:US17790111

    申请日:2020-10-15

    Abstract: The embodiments of the present application provide a CQI measurement reporting method, an apparatus, a network side device, and a terminal. The CQI measurement reporting method includes a network side device determining, for multiple coordinated transmission TRPs or antenna panels, a CSI measurement resource used for CQI measurement; generating network side configuration information, the network side configuration information being used for indicating the network side device to configure a terminal to perform, according to the CSI measurement resource, CQI measurement corresponding to a TDM transmission mode, obtain a corresponding CQI measurement result, and then report the CQI measurement result to the network side device; and sending the CSI measurement resource and the network side configuration information to the terminal.

    Beam training method and device, communication system

    公开(公告)号:US12170564B2

    公开(公告)日:2024-12-17

    申请号:US18368896

    申请日:2023-09-15

    Abstract: Disclosed are beam training methods and devices. A beam training method includes: a transmitting end determining a first mapping relationship between BPL identifiers, CRIs, and transmitting beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information of the first reference signal resource to the receiving end, the configuration information including a first BPL identifier; the transmitting end determining a first transmitting beam; the transmitting end transmitting a reference signal to the receiving end, by using the first transmitting beam within the first reference signal resource, so that the receiving end receives the reference signal on the first reference signal resource.

    Beam management method and apparatus, and network side device, terminal and storage medium

    公开(公告)号:US12095541B2

    公开(公告)日:2024-09-17

    申请号:US17801783

    申请日:2021-01-26

    CPC classification number: H04B7/0695 H04B7/0617 H04B7/086 H04B7/088

    Abstract: Provided are a beam management method and apparatus, and a network side device, a terminal and a storage medium. The method includes receiving beam information for beam management sent by a terminal, wherein the beam information comprises uplink beam information or downlink beam information; determining specified information for beam management according to the beam information, wherein the specified information comprises terminal location information and/or beam quality information; and determining transmission beams for signal transmission and/or a trend of transmission beam change according to the specified information and network deployment information, wherein the signal transmission comprises uplink signal transmission or downlink signal transmission. The great overhead and delay problems caused by the frequent beam sweeping process in high-speed occasions can be solved, the beam management strategy can be optimized and beam sweeping time and beam overhead can be saved.

    Channel state information reporting method and device

    公开(公告)号:US12081299B2

    公开(公告)日:2024-09-03

    申请号:US17441677

    申请日:2019-12-24

    CPC classification number: H04B7/0626 H04B7/0456 H04B7/0658

    Abstract: Disclosed are a channel state information reporting method and device, relating to the field of wireless communications and used for solving the problem of no corresponding CSI reporting method being provided at present regarding a Rel-16 codebook structure. The method of the present application includes a terminal determining, according to codebook parameter information, codebook indication information corresponding to a data transmission layer; and the terminal sending channel state information (CSI) including the codebook indication information to a network side device, and the codebook indication information includes a part or all of the following: beam information for determining a precoding matrix orthogonal combination beam, base vector information for determining a precoding matrix compression base vector, and nonzero coefficient indication information for determining a precoding matrix compression coefficient.

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