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1. (WO2018196594) SIGNAL TRANSMISSION METHOD, RELEVANT DEVICE AND SYSTEM

Pub. No.:    WO/2018/196594    International Application No.:    PCT/CN2018/082409
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Tue Apr 10 01:59:59 CEST 2018
IPC: H04L 27/26
H04B 7/06
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: TANG, Xiaohu
唐小虎
YUAN, Di
原頔
YAN, Min
颜敏
Title: SIGNAL TRANSMISSION METHOD, RELEVANT DEVICE AND SYSTEM
Abstract:
Disclosed in an embodiment of the present invention are a signal transmission method, a relevant device and a system. The method comprises transmitting beam refinement packets by Nτ antennas, wherein Nτ is a positive integer, and the packet transmitted by each antenna comprises a training sequence transmitted by the antenna for channel estimation. The training sequence comprises M sub-sequences of the same length, M being a positive integer, wherein in training sequences transmitted by the same antenna, the autocorrelation sum of data blocks is zero, and the cross-correlation sum of every two adjacent data blocks is zero; and in training sequences respectively transmitted by any two of the antennas, the cross-correlation sum of every two data blocks with the corresponding same sequence number is zero, and the cross-correlation sum of every two data blocks with corresponding adjacent sequence numbers is zero. The solution of the present invention can satisfy the requirement for accurate channel estimation using beamforming training sequences of various application scenarios.