CSI FEEDBACK METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

    公开(公告)号:US20230291450A1

    公开(公告)日:2023-09-14

    申请号:US18016318

    申请日:2021-05-25

    CPC classification number: H04B7/0626 H04L5/0051 H04B7/0639

    Abstract: Embodiments of the present application provide a method and an apparatus for CSI feedback, an electronic device, and a storage medium. The method for CSI feedback includes: determining a CSI measurement resource corresponding to each data layer group during CSI measurement; determining first correspondence relations between each data layer group and DMRS ports during CSI measurement; determining mapping modes between each data layer group and CSI-RS ports during CSI measurement; determining transmission mode used in CSI measurement and CSI reporting mode corresponding to the transmission mode; and performing CSI feedback according to the CSI measurement resource, the first correspondence relations, the mapping modes, the transmission mode used in the CSI measurement and the CSI reporting mode corresponding to the transmission mode. Therefore, the embodiments of the present application improve flexibility and accuracy of CSI feedback and reduce complexity of CSI feedback.

    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.

    LOCATING METHOD FOR UPLINK TIME DIFFERENCE OF ARRIVAL, AND APPARATUS THEREOF

    公开(公告)号:US20210337496A1

    公开(公告)日:2021-10-28

    申请号:US17284383

    申请日:2019-09-30

    Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof. The method comprises: a locating server transmits a UTDOA information request message to a selling base station of a target terminal; the locating server receives a UTDOA information response message sent by the serving base station, wherein the UTDOA information response message carries configuration information of a locating reference signal and beam information of a reference signal related the a target terminal; the locating server transmits a measurement information request message to a location measurement unit, wherein the measurement information request message carries auxiliary locating information, the auxiliary locating information comprises the beam information of the reference signal related to the target terminal, or comprises relative information between a transmitting beam of the locating reference signal determined according to the beam information of the reference signal related to the target terminal and a received beam used by the location measurement unit, so that the location measurement unit and the locating server can assist in locating by using the beam information.

    POSITIONING METHOD AND APPARATUS
    8.
    发明申请

    公开(公告)号:US20210219259A1

    公开(公告)日:2021-07-15

    申请号:US15734028

    申请日:2019-05-29

    Abstract: Disclosed by the present application are a positioning method and apparatus, which are used to improve indoor positioning performance and precision without occupying a large amount of system resources. At a positioning server side, a positioning method provided by an embodiment of the present application comprises: acquiring a positioning capability supported by a user equipment (UE), and determining, according to the positioning capability, that the UE may obtain a positioning measurement value by means of detecting a positioning reference signal ioPRS that is used for indoor/outdoor positioning; acquiring positioning auxiliary data comprising ioPRS configuration data, and sending the positioning auxiliary data to the UE; acquiring the positioning measurement value that is provided by the UE and that is acquired on the basis of the ioPRS, and using the positioning measurement value to position the UE.

    TRANSMISSION MODE INDICATION METHOD AND DEVICE, BASE STATION, TERMINAL

    公开(公告)号:US20220337344A1

    公开(公告)日:2022-10-20

    申请号:US17641428

    申请日:2020-06-28

    Abstract: A transmission mode indication method and device, a base station, a terminal and a storage medium are provided. The method includes: transmitting signaling to a UE, so that the UE determines a transmission mode between the UE and a base station according to the signaling, the signaling carrying indication information of a transmission configuration indicator (TCI) state, indication information of a redundancy version (RV), indication information of a demodulation reference signal (DMRS) port, and indication information indicating whether the number of retransmission is carried; or, besides the described indication information, the signaling also carrying indication information of a transmission mode. In the embodiments of the present application, indication information is carried in signaling and is used for indicating a specific transmission mode, so that dynamic switching between different transmission modes can be achieved, and the system performance, the reliability and the resource utilization rate are better improved.

    DATA TRANSMISSION METHOD, DEVICE, TERMINAL, AND BASE STATION

    公开(公告)号:US20220287021A1

    公开(公告)日:2022-09-08

    申请号:US17635678

    申请日:2020-07-28

    Abstract: The present disclosure provides a data transmission method, a device, a terminal and a base station, wherein the data transmission method includes: receiving redundancy version (RV) identification information sent by a base station; determining an RV basic sequence according to the RV identification information; determining a correspondence relationship between each RV in the RV basic sequence and each transmission occasion; receiving, at each transmission occasion by using a corresponding RV according to the correspondence relationship, physical downlink shared channel (PDSCH) data sent by the base station; wherein, the RV basic sequence is one of at least two predefined RV sequences.

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