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:
Aug. 01, 2017

Filed:

Mar. 28, 2016
Applicant:

Google Inc., Mountain View, CA (US);

Inventors:

Carlos Urrutia, San Jose, CA (US);

Guanghua Li, San Jose, CA (US);

Jun Yin, Fremont, CA (US);

Assignee:

Google Inc., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/00 (2015.01); H04W 64/00 (2009.01); H04W 16/28 (2009.01); H04W 48/08 (2009.01); H04W 88/10 (2009.01);
U.S. Cl.
CPC ...
H04W 64/006 (2013.01); H04W 16/28 (2013.01); H04W 48/08 (2013.01); H04W 88/10 (2013.01);
Abstract

A method for determining a location of a wireless transmitter includes: receiving, at data processing hardware, receiver signals from corresponding receivers located within an observation area; estimating, by the data processing hardware, the location of the rogue transmitter; and reporting the estimated location of the rogue transmitter to a remote system in communication with the data processing hardware. Estimating the location of a rogue transmitter includes, for each receiver, determining a transmitter location contour about the receiver based on the corresponding at least one receiver signal and one or more propagation path loss functions and identifying an intersection of the transmitter location contours of the receivers as the estimated location of the rogue transmitter. Each propagation path loss function is based on terrain information corresponding to the observation area. The transmitter location contour defines a collection of candidate locations of the rogue transmitter relative to the receiver.


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