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:
Jan. 06, 2015

Filed:

Dec. 12, 2011
Applicants:

Haitao Xia, San Jose, CA (US);

Ming Jin, Fremont, CA (US);

Dahua Qin, Allentown, PA (US);

Shaohua Yang, San Jose, CA (US);

Inventors:

Haitao Xia, San Jose, CA (US);

Ming Jin, Fremont, CA (US);

Dahua Qin, Allentown, PA (US);

Shaohua Yang, San Jose, CA (US);

Assignee:

LSI Corporation, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/035 (2006.01); G11B 5/596 (2006.01); G11B 20/10 (2006.01);
U.S. Cl.
CPC ...
G11B 5/59605 (2013.01); G11B 5/59622 (2013.01); G11B 20/10046 (2013.01); G11B 5/035 (2013.01);
Abstract

Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is discussed that includes: an equalizer circuit, a signal to noise ratio calculation circuit, and a parameter adjustment circuit. The equalizer circuit is operable to equalize a data input to yield an equalized output. The signal to noise ratio calculation circuit is operable to calculate a signal to noise ratio of the equalized output based at least in part on a noise power derived from the equalized output. The parameter adjustment circuit is operable to adjust a parameter based at least in part on the signal to noise ratio.


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