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Patent Searching and Data


Title:
POSITIONING METHOD, DEVICE, AND SYSTEM, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/197446
Kind Code:
A1
Abstract:
Disclosed in the present application are a positioning method, device, and system, and a storage medium. The method comprises: receiving first location information sent from a terminal, the first location information comprising an identity of the terminal; sending a differential data request to a second server, the differential data request comprising the first location information, and the differential data request being used by the second server to determine differential data of the terminal; receiving the differential data sent from the second server; performing calculation on the first location information according to the differential data to obtain second location information; and sending the second location information to the terminal, so that a positioning result can be quickly returned to the terminal, and the network delay is greatly reduced when the terminal determines a precise location.

Inventors:
YAN MINGYANG (CN)
SHENG SHUO (CN)
Application Number:
PCT/CN2021/085010
Publication Date:
October 07, 2021
Filing Date:
April 01, 2021
Export Citation:
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Assignee:
CHINA MOBILE SHANGHAI ICT CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
International Classes:
H04L29/06; H04L29/08; H04L29/12
Domestic Patent References:
WO2017070910A12017-05-04
Foreign References:
CN111090111A2020-05-01
CN109597109A2019-04-09
CN104977596A2015-10-14
CN109541655A2019-03-29
US20170171701A12017-06-15
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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