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 9026138 B1

PDF
Full Text
Expired
Date of Patent:
May. 05, 2015

Filed:

Jan. 10, 2013
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Ju-Yong Do, Palo Alto, CA (US);

Saumitra Mohan Das, Santa Clara, CA (US);

Faraz Mohammad Mirzaei, San Jose, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01);
U.S. Cl.
CPC ...
H04W 24/00 (2013.01);
Abstract

Disclosed are systems, methods and techniques for obtaining round trip time (RTT) measurements from acquisition of signals at one or more mobile devices, the signals being transmitted by one or more transmitters; approximating locations of the one or more mobile devices while obtaining the RTT measurements; and combining the measurements to determine expected RTT signature values at discrete positions in the area based, at least in part, on the obtained RTT measurements and the approximated locations.


Find Patent Forward Citations

Do, Ju-Yong. (2015). Method and/or system for obtaining signatures for use in navigation (U.S. Patent No. 9026138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9026138

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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