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1. US20220007323 - TIMING ADJUSTMENT MECHANISM FOR SIGNAL TRANSMISSION IN NON-TERRESTRIAL NETWORK

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Office
United States of America
Application Number 17366408
Application Date 02.07.2021
Publication Number 20220007323
Publication Date 06.01.2022
Publication Kind A1
IPC
H04W 56/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
56Synchronisation arrangements
H04B 7/185
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations
CPC
H04B 7/1851
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations; ; Stations for satellite systems
1851Systems using a satellite or space-based relay
H04W 56/0045
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
56Synchronisation arrangements
004compensating for timing error of reception due to propagation delay
0045compensating for timing error by altering transmission time
H04W 56/006
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
56Synchronisation arrangements
0055determining timing error of reception due to propagation delay
006using known positions of transmitter and receiver
Applicants MediaTek Singapore Pte. Ltd.
Inventors Dan LI
Shiang-Jiun LIN
I-Kang FU
Xuancheng ZHU
Priority Data 202110733833.9 30.06.2021 CN
PCT/CN2020/100238 03.07.2020 CN
Title
(EN) TIMING ADJUSTMENT MECHANISM FOR SIGNAL TRANSMISSION IN NON-TERRESTRIAL NETWORK
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Abstract
(EN)

A method is provided. The method includes the following steps: obtaining a predetermined initial timing for signal transmission from user equipment (UE) to a satellite through a gateway in a non-terrestrial network; and in response to a number of failures of the signal transmission being greater than or equal to a first predetermined number, utilizing the UE to shift timing for a subsequent signal transmission using a timing-adjustment mechanism.
Related patent documents
WO/2022/000493
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