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. 19, 2017

Filed:

Jun. 19, 2014
Applicant:

Novatel Inc., Calgary, CA;

Inventors:

John B. Schleppe, Calgary, CA;

Patrick C. Fenton, Calgary, CA;

Assignee:

NovAtel Inc., Calgary, Alberta, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/21 (2010.01); G01S 5/06 (2006.01); G01S 19/03 (2010.01);
U.S. Cl.
CPC ...
G01S 19/21 (2013.01); G01S 19/215 (2013.01); G01S 5/06 (2013.01); G01S 19/03 (2013.01);
Abstract

A system and method to determine the location of an interfering signal source within a few meters. Three or more networked GNSS receivers are located at known locations and used to simultaneously collect and time-stamp data samples at Land L. The data samples are passed over the network to a server which identifies samples associated with an interfering signal, cross correlates associated samples from pairs of receivers, and applies a discriminator function to significantly improve the accuracy of a computed time difference of arrival (TDOA) for the interfering signal, thereby significantly improving the accuracy of the location determination.


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