COMMUNICATION METHOD, APPARATUS, AND SYSTEM BASED ON SATELLITE NETWORK

WIPO Patent Application WO/2020/083030

A1

Provided in the present application are a communication method, apparatus, and system based on a satellite network, the method comprising: a user terminal receives a probe signal sent by a management satellite on a management channel, the management satellite managing one or a plurality of serving satellites; and the user terminal sends a respiratory signal to the management satellite, the respiratory signal carrying information of the user terminal, and the information of the user terminal being used for determining information of the serving satellite serving the user terminal. Due to the operations of the user terminal receiving the probe signal and sending the respiratory signal, the management satellite or a ground station can uniformly schedule a serving satellite to serve the user terminal. When the serving satellite is switched, the step of negotiation between satellites can be omitted, saving signalling overheads, and making the satellite communication experience of the user terminal smooth.

WO/2022/208452	SELECTIVE REPORTING OF TRACKING AREA IDENTITY TO CORE NETWORK IN NON-TERRESTRIAL NETWORKS
JP6760982	Wireless relay device and communication system
JPS6386622	SATTELITE COMMUNICATION SYSTEM

QIAO YUNFEI (CN)
YU RONGDAO (CN)
DU YINGGANG (CN)
WANG BIN (CN)
WANG TIANXIANG (CN)

PCT/CN2019/110378

April 30, 2020

October 10, 2019

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HUAWEI TECH CO LTD (CN)

H04B7/185

WO2001026251A2

2001-04-12

CN108112281A	2018-06-01
CN108141277A	2018-06-08
CN104219718A	2014-12-17
CN105812046A	2016-07-27

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