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:
Jul. 15, 2014
Filed:
Apr. 12, 2011
Applicants:
Paul E. Gorday, West Palm Beach, FL (US);
Edgar H. Callaway, Jr., Boca Raton, FL (US);
Frederick L. Martin, Plantation, FL (US);
Inventors:
Paul E. Gorday, West Palm Beach, FL (US);
Edgar H. Callaway, Jr., Boca Raton, FL (US);
Frederick L. Martin, Plantation, FL (US);
Assignee:
Sunrise Micro Devices, Inc., Deerfield Beach, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01); H04B 17/00 (2006.01);
U.S. Cl.
CPC ...
H04B 17/0047 (2013.01);
Abstract
A method, system, and device provide asymmetric round-trip-time (RTT) ranging with multipath correction. A RTT ranging determination using the resulting composite received signal contains multipath error, and compensation or correction of this error in a manner compatible with low-power, low-complexity devices, such as tag devices, is provided.