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1. (WO2018032896) D2D SYNCHRONIZATION SIGNAL SENDING METHOD AND APPARATUS

Pub. No.:    WO/2018/032896    International Application No.:    PCT/CN2017/091719
Publication Date: Fri Feb 23 00:59:59 CET 2018 International Filing Date: Wed Jul 05 01:59:59 CEST 2017
IPC: H04W 56/00
H04W 76/02
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: ZHU, Jun
朱俊
SU, Hongjia
苏宏家
PANG, Jiyong
庞继勇
Title: D2D SYNCHRONIZATION SIGNAL SENDING METHOD AND APPARATUS
Abstract:
A D2D synchronization signal sending method and apparatus, for improving the success rate of synchronization establishment between a remote terminal within a network device coverage range and other terminals. The method comprises: a base station generating a cooperation instruction message, with the cooperation instruction message carrying identification information about a terminal needing to cooperatively send a D2D synchronization signal, and the cooperation instruction message being used for instructing at least two terminals corresponding to the identification information to cooperatively send the D2D synchronization signal; and the base station sending the cooperation instruction message. Therefore, by means of the method provided in the embodiments of the present invention, a plurality of terminals can cooperatively send a D2D synchronization signal, a coverage range of the D2D synchronization signal is improved, and the success rate of synchronization establishment between a remote terminal beyond a network device coverage range and other terminals is improved.