COMMUNICATION METHOD AND COMMUNICATION APPARATUS

WIPO Patent Application WO/2019/214730

A1

Provided in the present application are a method and apparatus for determining the effective time of timing advance (TA). The method comprises: determining a first subcarrier interval from M subcarrier intervals, wherein the M subcarrier intervals are the subcarrier intervals corresponding to L carriers employed by the terminal device, where L≥M≥2; and determining the effective time of timing advance (TA) of each carrier in the L carriers according to the first subcarrier interval. Uplink timing synchronization between a terminal device and a network device can be ensured.

WO/2017/056396	COMMUNICATION TERMINAL, BASE STATION, MONITORING METHOD, TRANSMISSION METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
WO/2021/247506	BANDWIDTH PART AND RESOURCE BANDWIDTH SWITCHING IN WIRELESS COMMUNICATIONS
JP5461383	Methods and devices for improving performance in wireless communication systems

SHAO HUA (CN)
LIU ZHE (CN)
HUANG HUANG (CN)

PCT/CN2019/086459

November 14, 2019

May 10, 2019

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HUAWEI TECH CO LTD (CN)

H04W72/04; H04W72/08; H04W74/08

CN109451586A	2019-03-08
CN108012329A	2018-05-08
CN201810450341A	2018-05-11
CN201810820209A	2018-07-24

QUALCOMM INCORPORATED: "Summary of Remaining Details on RACH Procedure", 3GPP TSG-RAN WG1 92BIS, RL-1805754, 24 April 2018 (2018-04-24), XP051435705
"Technical Specification Group Ra- dio Access Network; NR; Physical layer procedures for data (Release 15)", 3RD GENERATION PARTNERSHIP PROJECT, TS 38.214 V15.1.0, 9 April 2018 (2018-04-09), XP051451093
See also references of EP 3783979A4

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