ENHANCED SOUNDING REFERENCE SIGNAL (SRS) OPERATION FOR FIFTH-GENERATION (5G) SYSTEMS

    公开(公告)号:WO2023091417A1

    公开(公告)日:2023-05-25

    申请号:PCT/US2022/049972

    申请日:2022-11-15

    Abstract: Systems, apparatuses, methods, and computer-readable media are directed to enhancements to sounding reference signal (SRS) configurations for fifth-generation (5G) systems. In embodiments disclosed herein, an apparatus comprises: memory to store sounding reference signal (SRS) configuration information for an uplink transmission with up to eight layers by a user equipment (UE); and processing circuitry, coupled with the memory, to: retrieve SRS configuration information from the memory, wherein the SRS configuration information includes a maximum number of cyclic shifts for a comb value, and wherein the maximum number of cyclic shifts is an integer multiple of eight; and encode a message for transmission to the UE that includes the SRS configuration information.

    METHOD AND APPARATUS FOR CODEBOOK BASED UL TRANSMISSION

    公开(公告)号:WO2023048469A1

    公开(公告)日:2023-03-30

    申请号:PCT/KR2022/014128

    申请日:2022-09-21

    Abstract: Methods and apparatuses for codebook based UL transmission are provided. A method for operating a UE comprises transmitting a UE capability information about a UL codebook for 8 antenna ports; receiving an indication indicating a TPMI for a transmission of a PUSCH; and transmitting the PUSCH based on the indicated TPMI, wherein the TPMI indicates a precoding matrix from the UL codebook for the 8 antenna ports, the UL codebook includes full-coherent (FC) precoding matrices comprising all non-zero entries, and an l-th column of a FC precoding matrix is associated with an l-th layer of the PUSCH transmission.

    BEAM ASSOCIATION FOR SIDELINK FEEDBACK
    5.
    发明申请

    公开(公告)号:WO2023043637A1

    公开(公告)日:2023-03-23

    申请号:PCT/US2022/042506

    申请日:2022-09-02

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a first sidelink message using a first beam, where the first sidelink message corresponds to a feedback time interval for receiving feedback associated with the first sidelink message. The UE may transmit a second sidelink message using a second beam that is different from the first beam, where the second beam is also associated with the feedback time interval for receiving feedback associated with the second sidelink message. The UE may then select (from one of the first beam of the second beam) a receive beam to receive feedback during the feedback time interval, and based on the receive beam selection, the UE may monitor for feedback associated with the first sidelink message or the second sidelink message, or both.

    DYNAMIC SWITCHING OF SPATIAL FILTER FOR MULTI-TRP SYSTEMS

    公开(公告)号:WO2023031797A1

    公开(公告)日:2023-03-09

    申请号:PCT/IB2022/058129

    申请日:2022-08-30

    Abstract: A network node configured to communicate with a wireless device (WD) is described. An indication indicating to the WD to perform one of a single-TRP operation and a multi-TRP operation for one or more physical channels is determined. The determined indication includes at least one of a first dedicated bit field in a downlink related downlink control information (DCI) scheduling a downlink physical channel; a second dedicated bit field in an uplink related DCI scheduling an uplink physical channel; a first transmission configuration indicator (TCI) bit field in the downlink related DCI, at least one codepoint of the first TCI bit field indicating a single third unified TCI state; a second TCI bit field in the uplink related DCI, at least one other codepoint of the second TCI bit field indicating a single fourth unified TCI state. The determined indication is transmitted to the WD.

    ROBUST PORT SELECTION
    7.
    发明申请

    公开(公告)号:WO2023282840A1

    公开(公告)日:2023-01-12

    申请号:PCT/SE2022/050699

    申请日:2022-07-07

    Abstract: Systems and methods for port selection in a wireless communication system are disclosed. In embodiment, a method performed by a radio access network (RAN) node for mapping Sounding Reference Signal (SRS) ports to transmission layers comprises obtaining a channel matrix, H, for one subcarrier or a group of subcarriers for a particular User Equipment (UE) and transforming the channel matrix, H, using a Singular Value Decomposition (SVD) of the channel matrix to thereby provide a transformed channel matrix. The method further comprises computing (204) beamforming weights using the transformed channel matrix. Embodiments of a RAN node are also disclosed.

    DEVICES AND METHODS FOR SOUNDING FOR COORDINATED BEAMFORMING

    公开(公告)号:WO2022268297A1

    公开(公告)日:2022-12-29

    申请号:PCT/EP2021/066962

    申请日:2021-06-22

    Abstract: A non-AP station (120a) configured to communicate with a first BSS AP (110a) comprises a communication interface (123a) with a plurality of antennas (124a1-3) configured to receive first pilot signals from the first BSS AP (110a) and second pilot signals from a second OBSS AP (110b). The non-AP station (120a) further comprises a processing circuitry (121a) configured to estimate a first channel matrix based on the first pilot signals and a second channel matrix based on the second pilot signals and to determine, based on the first channel matrix, an interference rejection combiner matrix for suppressing a multi-user interference caused by the first BSS AP (110a). The communication interface (123a) is further configured to send first feedback based on the first channel matrix to the first BSS AP (110a) and second feedback based on the interference rejection combiner matrix and the second channel matrix to the second OBSS AP (110b).

    地空通信控制方法、天线、基站及存储介质

    公开(公告)号:WO2022127626A1

    公开(公告)日:2022-06-23

    申请号:PCT/CN2021/135461

    申请日:2021-12-03

    Abstract: 一种地空通信控制方法、天线、基站及存储介质。其中,地空通信控制方法包括获取终端所处的位置(401),控制所述第一阵列转动以使所述第一阵列根据所述终端所处的位置改变朝向(402)。由于所述第一阵列转动连接于所述第二阵列的侧面,因此通过获取终端所处的位置,并根据终端所处的位置改变第一阵列的朝向,进而使得第一阵列可以保持朝向终端。

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