System and method for the cooperation among base stations
    1.
    发明授权
    System and method for the cooperation among base stations 有权
    基站合作的系统和方法

    公开(公告)号:US09467270B2

    公开(公告)日:2016-10-11

    申请号:US14275198

    申请日:2014-05-12

    Abstract: Methods, an apparatus, and a network manager for cooperative communication are provided. A method of communication by a serving base station performing a cooperative communication with a plurality of base stations includes selecting serving channel code information based on Channel Status Information (CSI) of the serving base station, receiving cooperating channel code information based on CSI of a cooperating base station from the cooperating base station performing the cooperative communication with the serving base station, determining a compensation parameter based on the serving channel code information and the cooperating channel code information, and determining a beamforming vector of the serving base station based on the compensation parameter.

    Abstract translation: 提供了用于协作通信的方法,装置和网络管理器。 执行与多个基站的协作通信的服务基站的通信方法包括基于服务基站的信道状态信息(CSI)来选择服务信道码信息,基于协作的CSI的CSI来接收协作信道码信息 基站,与协作基站进行与服务基站的协作通信,基于服务信道码信息和协作信道码信息确定补偿参数,基于补偿参数确定服务基站的波束形成向量 。

    Rank-2 CSI construction with 1-layer SRS

    公开(公告)号:US10911111B2

    公开(公告)日:2021-02-02

    申请号:US16594918

    申请日:2019-10-07

    Abstract: A method of a base station (BS) in a wireless communication system is provided, The method comprises: receiving, from a user equipment (UE), a 1st layer sounding reference signal (SRS); arranging the 1st layer SRS based on two antenna polarizations of an antenna system of the BS; identifying a dominant direction of a channel based on the 1st layer SRS; identifying a coefficient between two antenna polarizations based on the 1st layer SRS; constructing a 2-layer channel matrix based on the identified dominant direction and the identified coefficient; and transmitting, to the UE, a downlink signal via the antenna system based on the constructed 2-layer channel matrix.

    PRECODING FOR ADVANCED WIRELESS COMMUNICATION SYSTEMS

    公开(公告)号:US20190341978A1

    公开(公告)日:2019-11-07

    申请号:US16256898

    申请日:2019-01-24

    Abstract: Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.

    Device and method for load balancing in wireless communication system

    公开(公告)号:US11160000B2

    公开(公告)日:2021-10-26

    申请号:US16488414

    申请日:2018-02-23

    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A device for performing load balancing in a wireless communication system, according to various embodiments of the disclosure, comprises a communication unit and at least one processor operably coupled with the communication unit, wherein the at least one processor is configured so as to transmit a control signal for changing a serving cell of a first terminal from a first cell to a second cell on the basis of first measurement information of the first terminal serviced by the first cell and second measurement information of a second terminal serviced by the second cell, and each piece of information may include a beam and receiving strength for a serving cell and a neighboring cell.

    Precoding for advanced wireless communication systems

    公开(公告)号:US10511363B2

    公开(公告)日:2019-12-17

    申请号:US16256898

    申请日:2019-01-24

    Abstract: Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.

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