The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 2022

Filed:

Jul. 19, 2019
Applicant:

Sigfox, Labege, FR;

Inventors:

Loïc Hubert, Saint-Sulpice-sur-Lèze, FR;

Robert Chevallier, Boulogne Billancourt, FR;

Philippe Garnier, Epagny, FR;

Assignee:

SIGFOX, Labege, FR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/021 (2018.01); G01S 5/00 (2006.01); G01S 5/02 (2010.01); H04W 64/00 (2009.01);
U.S. Cl.
CPC ...
H04W 4/021 (2013.01); G01S 5/0036 (2013.01); G01S 5/0226 (2013.01); G01S 5/0236 (2013.01); H04W 64/006 (2013.01);
Abstract

A method for geolocating a terminal of a wireless communication system. The terminal receiving a message transmitted by a transmitting device of interest. An ambiguous item of identification information is obtained from the transmitting device of interest. The terminal transmitting to the access network a message including the ambiguous item of identification information from the transmitting device of interest. The access network estimating an approximate geographical position of the terminal. The transmitting device of interest is identified in a table storing a list of transmitting device identifiers and the respective geographical positions of the transmitting devices. The precise geographical position of the terminal is estimated according to the geographical position of said transmitting device of interest.


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