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:
May. 30, 2023

Filed:

May. 12, 2021
Applicant:

Westinghouse Air Brake Technologies Corporation, Pittsburgh, PA (US);

Inventors:

Andrew Ryan Staats, Cedar Rapids, IA (US);

Stuart John Barr, Cedar Rapids, IA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/02 (2006.01); G01S 19/42 (2010.01); G01S 19/43 (2010.01); G01S 19/13 (2010.01); G01S 5/14 (2006.01); G01S 19/31 (2010.01); G01S 5/02 (2010.01);
U.S. Cl.
CPC ...
G01S 19/425 (2013.01); G01S 19/43 (2013.01); G01S 5/0221 (2013.01); G01S 5/14 (2013.01); G01S 19/13 (2013.01); G01S 19/31 (2013.01);
Abstract

A system and method for determining the location of a vehicle when GNSS signals are not available use triangulation between one or two radio transmitters and, respectively, two or one radio receivers mounted on the vehicle. The distance between each radio transmitter and/or each radio receiver can be determined according a phase difference between received radio signals. The radio signals can have the geographical location of the radio transmitter included therein. Utilizing the demodulated geographical location of each radio transmitter and the distance between the radio transmitter and each radio receiver, triangulation can be used to determine the geographical location of the vehicle.


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