BEAM INDICATION METHOD AND APPARATUS, TERMINAL AND BASE STATION

    公开(公告)号:US20240340148A1

    公开(公告)日:2024-10-10

    申请号:US18681414

    申请日:2022-08-03

    CPC classification number: H04L5/0053 H04B7/06952 H04W24/10 H04W72/0453

    Abstract: A beam indication method, a beam indication apparatus, a terminal and a base station are provided. The method includes: receiving a first configuration of each candidate reference carrier in a carrier list, where the first configuration includes a transmission configuration indicator (TCI) state pool configured for each candidate reference carrier; determining a reference carrier from the candidate reference carrier; receiving a common TCI state index from a base station, where the common TCI state index is used to indicate a TCI state in a TCI state pool corresponding to the reference carrier; and determining, based on the TCI state indicated by the common TCI state index, a beam direction for channel transmission and/or reference signal transmission on each carrier in the carrier list.

    BEAM INDICATION METHOD AND APPARATUS, AND STORAGE MEDIUM

    公开(公告)号:US20240306136A1

    公开(公告)日:2024-09-12

    申请号:US18262000

    申请日:2021-12-24

    CPC classification number: H04W72/046 H04L5/0053 H04W72/232

    Abstract: Provided are a beam indication method and apparatus, and a storage medium. The method includes receiving downlink control information, and determining a target transmission configuration indicator (TCI) state group on the basis of the downlink control information, wherein the target TCI state group is used for representing a channel and/or link to which the target TCI state group is applied; and sending and receiving a signal on the basis of a beam corresponding to the target TCI state group. The beam indication method and apparatus, and the storage medium provided in the present disclosure, identification or indication information of a channel and/or link is introduced into a TCI state group, and a channel and/or link, to which the TCI state group corresponding to each code point is applied, are/is determined, and corresponding beam information is indicated by a code point and on the basis of downlink control information.

    CODEBOOK INDICATION METHOD AND APPARATUS, AND STORAGE MEDIUM

    公开(公告)号:US20240243786A1

    公开(公告)日:2024-07-18

    申请号:US18560369

    申请日:2022-03-29

    Abstract: Embodiments of the present disclosure provide a codebook indication method and apparatus, and a storage medium. The method comprises: sending codebook indication information to a network side device, the codebook indication information comprising at least one of the following information of at least one transport layer: port selection indication information, strongest coefficient indication information, or frequency domain base vector indication information. In the embodiments of the present disclosure, by indicating at least one of the port selection of at least one transport layer, the strongest coefficient of a combined coefficient matrix, and the frequency domain basis vector, the feedback overhead of indication of some ports, the feedback overhead of the strongest coefficient indication, and the overhead of the frequency domain base vector indication can be reduced, compared with the traditional independent indication of each layer.

    ENHANCED CSI-RS TRANSMISSION METHOD, NETWORK DEVICE AND COMPUTER DEVICE

    公开(公告)号:US20240171344A1

    公开(公告)日:2024-05-23

    申请号:US18281390

    申请日:2022-03-08

    CPC classification number: H04L5/0051

    Abstract: Disclosed in the present invention are an enhanced channel state information reference signal (CSI-RS) transmission method, a feedback information sending method and apparatus, and a device and a medium, which are used for solving the problems of the sending power of a network side and the feedback overhead of a terminal side being relatively high when the number of beams to be sent is less than the total number of configured CSI-RS antenna ports. In the embodiments of the present disclosure, when the number P of beams to be sent is less than the total number Ptot of configured CSI-RS antenna ports, a network side can select, from the configured Ptot CSI-RS antenna ports, some CSI-RS antenna ports for sending a beamforming CSI-RS to a terminal side.

    UPLINK TRANSMISSION METHOD AND APPARATUS
    5.
    发明公开

    公开(公告)号:US20240121048A1

    公开(公告)日:2024-04-11

    申请号:US18539274

    申请日:2023-12-14

    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.

    PRECODING MATRIX INDICATION METHOD, PRECODING MATRIX DETERMINATION METHOD, APPARATUSES AND MEDIUM

    公开(公告)号:US20230155644A1

    公开(公告)日:2023-05-18

    申请号:US17916562

    申请日:2021-04-01

    CPC classification number: H04B7/0456 H04B7/0639

    Abstract: A precoding matrix indication method, a precoding matrix determination method, apparatuses and a medium are provided. The precoding matrix indication method includes: determining, by a network side, a set of sub-band precoding matrices, the set of sub-band precoding matrices being a sub-set in an uplink codebook of an uplink signal; determining sub-band information of precoding matrix indication information of the uplink signal in accordance with the set of sub-band precoding matrices, the sub-band information being used to indicate a sub-band precoding matrix that corresponds to each sub-band and is in the set of sub-band precoding matrices; transmitting the precoding matrix indication information comprising the sub-band information to a UE. The UE determines the sub-band precoding matrix corresponding to each sub-band in the set of sub-band precoding matrices in accordance with the sub-band information.

    CQI Measurement Reporting Method, Apparatus, Network Side Device and Terminal

    公开(公告)号:US20230051163A1

    公开(公告)日:2023-02-16

    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 comprises: 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. Therefore, in the embodiments of the present application, CQI measurement reporting based on multiple TRPs or antenna panels is realized, and scheduling decision based on related coordination between the multiple TRPs or antenna panels is further realized, facilitating optimization of system resources and improvement of demodulation performance of terminals.

Patent Agency Ranking