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1. (WO2017152405) TRANSMISSION DIVERSITY METHOD, DEVICE AND SYSTEM

Pub. No.:    WO/2017/152405    International Application No.:    PCT/CN2016/076044
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Mar 11 00:59:59 CET 2016
IPC: H04B 7/06
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: LIU, Kunpeng
刘鹍鹏
WU, Qiang
吴强
ZHANG, Leiming
张雷鸣
Title: TRANSMISSION DIVERSITY METHOD, DEVICE AND SYSTEM
Abstract:
A transmission diversity method, device and system. The method comprises: a second network device measuring channel state information according to a pilot signal and sending rank index information and pre-coding matrix index information to a first network device according to the channel state information; the first network device receiving the rank index information and the pre-coding matrix index information sent by the second network device; determining a diversity coding mode according to the rank index information; determining a pre-coding matrix according to the pre-coding matrix index information; and performing transmission processing on data to be transmitted according to the diversity coding mode and the pre-coding matrix. The embodiments of the present invention can improve the antenna gain by combining diversity coding similar to space frequency block coding with pre-coding, thereby reducing space loss and improving the transmission reliability of data.