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:
Oct. 23, 2007
Filed:
Jul. 29, 2003
Applicants:
Yuri Goldstein, Southbury, CT (US);
Yuri Okunev, Southbury, CT (US);
Inventors:
Yuri Goldstein, Southbury, CT (US);
Yuri Okunev, Southbury, CT (US);
Assignee:
PCTEL, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems, methods and apparatus are provided for demapping a received wireless signal. The wireless signal includes signal-bearing data without accompanying pilot signals, and demapping is accomplished by extracting information from the signal-bearing data by reducing and averaging differential quadrature components or quadrature components of the received signal. Two embodiments are provided for the demapping procedure within a phase tracking loop. A first embodiment corrects the received signal, while a second embodiment corrects the constellation points