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1. (WO2018133645) TIMING ADVANCE MAINTENANCE METHOD, APPARATUS AND SYSTEM

Pub. No.:    WO/2018/133645    International Application No.:    PCT/CN2017/119595
Publication Date: Fri Jul 27 01:59:59 CEST 2018 International Filing Date: Fri Dec 29 00:59:59 CET 2017
IPC: H04W 56/00
Applicants: ZTE CORPORATION
中兴通讯股份有限公司
Inventors: ZHANG, Dongying
张冬英
WU, Yumin
吴昱民
Title: TIMING ADVANCE MAINTENANCE METHOD, APPARATUS AND SYSTEM
Abstract:
A timing advance maintenance method, apparatus and system. The timing advance maintenance method comprises: a terminal receives TA indication information sent by a network side; and the terminal determines, according to the TA indication information, a TA value used in a deactivated state or an idle state, the deactivated state referring to a state in which an interface between the terminal and a first network device on the network side is disconnected and an interface between the first network device and a second network device on the network side keeps connected.