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.

Patent No.:

US 10151823 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 11, 2018

Filed:

Sep. 26, 2016
Applicants:

Piyush Kumar, Tallahassee, FL (US);

Tathagata Mukherjee, Tallahassee, FL (US);

Eduardo L. Pasiliao, Jr., Fort Walton Beach, FL (US);

Liqin Xu, Tallahassee, FL (US);

Inventors:

Piyush Kumar, Tallahassee, FL (US);

Tathagata Mukherjee, Tallahassee, FL (US);

Eduardo L. Pasiliao, Jr., Fort Walton Beach, FL (US);

Liqin Xu, Tallahassee, FL (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 (2010.01);
U.S. Cl.
CPC ...
G01S 5/0252 (2013.01); G01S 5/0226 (2013.01);
Abstract

A method for localizing for GPS denied environments is provided with a plurality of broadcasting transmitters and a software-defined radio (SDR). A pre-processing stage and a query phase is executed for localizing an unknown location. The results from the preprocessing stage are made available to the query stage. A simulated power spectrum is computed for a region of interest during the pre-processing phase via the plurality of broadcasting transmitters. A transmitter location, a radius of influence, and a power contour plot of each of the plurality of broadcasting transmitters are used for computing the simulated power spectrum. Next, a peak-finding process, a filtering process, and a localization process is executed during the query phase in order to identify the unknown location.


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Kumar, Piyush. (2018). Method for passive approximate localization using frequency modulation and software defined radio (U.S. Patent No. 10151823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10151823

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