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.:

US 7702040 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 20, 2010

Filed:

Apr. 12, 2006
Applicants:

Xiang Yuan, Chandler, AZ (US);

Gang Xie, Tempe, AZ (US);

Inventors:

Xiang Yuan, Chandler, AZ (US);

Gang Xie, Tempe, AZ (US);

Assignee:

SiRF Technology, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 27/00 (2006.01); H04L 27/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

An embodiment and method of the present invention includes a frequency lock loop (FLL) having an improved frequency error estimation and a low bit error rate (BER) in data demodulation by calculating and using an improved averaged phase rotation using 'valid' phase rotation samples.


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Yuan, Xiang. (2010). Method and apparatus for frequency discriminator and data demodulation in frequency lock loop of digital code division multiple access (cdma) receivers (U.S. Patent No. 7702040). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7702040

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