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. 08, 2012

Filed:

Apr. 27, 2007
Applicants:

Abhishek Patil, San Diego, CA (US);

Xudong Wang, Kirkland, WA (US);

Chao Gui, San Diego, CA (US);

Weilin Wang, San Diego, CA (US);

Michael Nova, Del Mar Mesa, CA (US);

Inventors:

Abhishek Patil, San Diego, CA (US);

Xudong Wang, Kirkland, WA (US);

Chao Gui, San Diego, CA (US);

Weilin Wang, San Diego, CA (US);

Michael Nova, Del Mar Mesa, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 7/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Systems and methods for determining a location of a device with a wireless network. Characteristics of signals received from the device at a plurality of nodes are measured. Based upon the measurements, estimates of the range from the device to the nodes are made. Then, based upon the estimated ranges, and knowing the location of the nodes, a location of the device is determined.


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