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)
SHENG SHUO (CN)
Application Number:
PCT/CN2021/085010
Publication Date:
October 07, 2021
Filing Date:
April 01, 2021
Export Citation:
Assignee:
CHINA MOBILE SHANGHAI ICT CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
CHINA MOBILE COMMUNICATIONS GROUP CO LTD (CN)
International Classes:
H04L29/06; H04L29/08; H04L29/12
Domestic Patent References:
WO2017070910A1 | 2017-05-04 |
Foreign References:
CN111090111A | 2020-05-01 | |||
CN109597109A | 2019-04-09 | |||
CN104977596A | 2015-10-14 | |||
CN109541655A | 2019-03-29 | |||
US20170171701A1 | 2017-06-15 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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