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.

Date of Patent:
Aug. 30, 2011

Filed:

Aug. 09, 2007
Applicants:

Jungwon Lee, Cupertino, CA (US);

Dimitrios-alexandros Toumpakaris, San Mateo, CA (US);

Hui-ling Lou, Palo Alto, CA (US);

Inventors:

Jungwon Lee, Cupertino, CA (US);

Dimitrios-Alexandros Toumpakaris, San Mateo, CA (US);

Hui-Ling Lou, Palo Alto, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus includes an estimator that includes a receiver that receives a plurality of frequency-domain symbols. Each symbol includes at least one of a plurality of pilot samples and a plurality of data samples. The estimator also includes a framer that observes the at least one of the plurality of pilot samples and the plurality of data samples in adjacent symbols, and a calculator that calculates an integer carrier frequency offset (CFO) estimate based on a reliability metric based on the at least one of the plurality of pilot samples and the plurality of data samples that are included in the frequency-domain symbols.


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