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:
Jun. 16, 2009
Filed:
Apr. 25, 2005
Spyros Kyperountas, Weston, FL (US);
Neiyer S. Correal, Cooper City, FL (US);
Feng Niu, Weston, FL (US);
Qicai Shi, Coral Springs, FL (US);
Spyros Kyperountas, Weston, FL (US);
Neiyer S. Correal, Cooper City, FL (US);
Feng Niu, Weston, FL (US);
Qicai Shi, Coral Springs, FL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A location technique is utilized where channel-model parameters are originally estimated prior to location taking place. Location then takes place using a first set of known-located nodes, and the channel-model parameters are updated based on the distances resulting from the location estimate. Once the channel-model parameters have been updated, location again takes place using a second set of known-located nodes, node distances are calculated based on the produced locations and the channel-model parameters are again updated. This process continues until no significant change is observed between the previous and the newly estimated location, or until a maximum number of iterations is reached.