MULTI-INPUT AND MULTI-OUTPUT COMMUNICATION METHOD IN LARGE-SCALE ANTENNA SYSTEM
    9.
    发明公开
    MULTI-INPUT AND MULTI-OUTPUT COMMUNICATION METHOD IN LARGE-SCALE ANTENNA SYSTEM 有权
    MIMO-KOMMUNIKATIONSVERFAHREN IN EINER GROSSANTENNENANLAGE

    公开(公告)号:EP2819313A4

    公开(公告)日:2015-12-02

    申请号:EP13751342

    申请日:2013-02-25

    IPC分类号: H04B7/04 H04B7/06 H04W72/12

    摘要: The present invention relates to a multi-input and multi-output communication method in a large-scale antenna system. An MIMO transmission method according to the present invention includes: obtaining statistical channel information on at least one terminal, dividing terminals into a plurality of classes and a plurality of groups based on the statistical channel information, wherein the groups depend on the classes; determining a group beam-forming matrix for each of the divided groups; performing a group beamforming transmission by group based on the group beam-forming matrix to obtain instantaneous channel information; and scheduling terminals based on the instantaneous channel information. Thus, it is possible to decrease the complexity in a scheduling and precoding calculation without an increase in the amount of wireless resources that are required for providing feedback for a reference signal and channel status information.

    摘要翻译: 本发明涉及大规模天线系统中的多输入多输出通信方法。 根据本发明的MIMO传输方法包括:在至少一个终端上获取统计信道信息,基于统计信道信息将终端分成多个类和多个组,其中所述组依赖于类; 为每个划分的组确定组波束形成矩阵; 基于组波束形成矩阵进行群组波束成形传输,获得瞬时信道信息; 并基于瞬时信道信息调度终端。 因此,可以降低调度和预编码计算的复杂度,而不增加为参考信号和信道状态信息提供反馈所需的无线资源量的增加。