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:
Dec. 01, 2009
Filed:
Dec. 20, 2004
Joseph P. Kennedy, Great Falls, VA (US);
John P. Carlson, Herndon, VA (US);
Martin Alles, Hamilton Parish, BM;
Nicolas Graube, Barrington, GB;
Robert Rowe, Villefranche-sur-Mer, FR;
Joseph P. Kennedy, Great Falls, VA (US);
John P. Carlson, Herndon, VA (US);
Martin Alles, Hamilton Parish, BM;
Nicolas Graube, Barrington, GB;
Robert Rowe, Villefranche-sur-Mer, FR;
Andrew LLC, Hickory, NC (US);
Abstract
A method for use in a wireless communication system with a network overlay geolocation system having a sparse deployment network in which base stations of the wireless communication system may or may not have a co-located wireless location sensor (WLS). The method uses U-TDOA measurements on the uplink (reverse) signal and E-OTD measurements on the downlink (forward) signals to estimate a location for a mobile appliance.