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Title:
METHOD AND APPARATUS FOR OBTAINING TIMING ADVANCE
Document Type and Number:
WIPO Patent Application WO/2020/220839
Kind Code:
A1
Abstract:
The present application provides a method and apparatus for obtaining timing advance (TA). The method comprises: a terminal device receives first time service information broadcast by a first cell, and receives second time service information broadcast by a neighbor cell; and obtain the TA from the terminal device to the neighbor cell according to the following information: a time indicated by the first time service information, TA from the terminal device to the first cell, the time difference between receiving the first time service information and receiving the second time service information, and a time indicated by the second time service information. The solution provided by the present application can obtain the TA from a terminal device to a neighbor cell, and thus can be used in a scenario where the TA from a terminal device to a neighbor cell needs to be obtained, for example, a scenario where a terminal device is positioned on the basis of the distance between the terminal device and a base station.

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Inventors:
CHEN LEI (CN)
LI BINGZHAO (CN)
WANG HONG (CN)
Application Number:
PCT/CN2020/078964
Publication Date:
November 05, 2020
Filing Date:
March 12, 2020
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L5/00
Foreign References:
CN102740443A2012-10-17
CN102281626A2011-12-14
US20150327198A12015-11-12
CN201910361638A2019-04-30
Other References:
RENESAS MOBILE EUROPE: "Discussion on RACH based solution and Timing difference based solution", 3GPP TSG-RAN WG2 MEETING #74 R2-113015, 13 May 2011 (2011-05-13), XP050495153, DOI: 20200530133554X
INTERDIGITAL COMMUNICATIONS, LLC: "Discussion on Timing Advance calculation using time difference measurement", 3GPP TSG-RAN WG1 MEETING #66 R1-112234, 26 August 2011 (2011-08-26), XP050537396, DOI: 20200530133655X
See also references of EP 3955500A4
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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