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. 04, 2012
Filed:
Sep. 27, 2010
Shubha L. Kadambe, Cedar Rapids, IA (US);
Jason A. Fuemmeler, Cedar Rapids, IA (US);
Carlos J. Chavez, Marion, IA (US);
W. Sam Spencer, Cedar Rapids, IA (US);
Gina M. Reyes, Iowa City, IA (US);
Robert J. Frank, Cedar Rapids, IA (US);
Michael N. Newhouse, Marion, IA (US);
Shubha L. Kadambe, Cedar Rapids, IA (US);
Jason A. Fuemmeler, Cedar Rapids, IA (US);
Carlos J. Chavez, Marion, IA (US);
W. Sam Spencer, Cedar Rapids, IA (US);
Gina M. Reyes, Iowa City, IA (US);
Robert J. Frank, Cedar Rapids, IA (US);
Michael N. Newhouse, Marion, IA (US);
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Abstract
An apparatus for identifying a specific emitter in the presence of noise and/or interference is disclosed. The apparatus includes a sensor configured to sense radio frequency signal data, the signal data containing noise and signal from at least one emitter, a reference estimation unit configured to estimate a reference signal relating to the signal transmitted by one emitter, a feature estimation unit configured to generate one or more estimates of one or more feature from the reference signal and the signal transmitted by that particular emitter, and an emitter identifier configured to identify the signal transmitted by that particular emitter as belonging to a specific device using one or more feature estimates. The emitter identifier identifies the signal transmitted by that particular emitter as belonging to a specific device using Gaussian Mixture Models and the Bayesian decision engine. The apparatus may also include an SINR enhancement unit configured to enhance the SINR of the data before the reference estimation unit estimates the reference signal.