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.:
Date of Patent:
Jan. 17, 2017
Filed:
Jan. 02, 2014
Qualcomm Incorporated, San Diego, CA (US);
Benjamin Werner, San Carlos, CA (US);
Weihua Gao, San Jose, CA (US);
Guttorm R. Opshaug, Redwood City, CA (US);
Grant Alexander Marshall, Campbell, CA (US);
Borislav Ristic, San Diego, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Techniques are provided which may be implemented using various methods and/or apparatuses to determine time difference of arrival of signals from two base stations as received at a mobile device, to use the time difference of arrival to determine differential forward link calibration for at least two base stations, and also to determine location using the differential forward link calibration for at least two base stations, determined using the time difference of arrival of signals from at least two base stations as received by a mobile device.