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. 27, 2015

Filed:

Sep. 11, 2012
Applicants:

Yi-min Lin, Taipei, TW;

Chih-hsiang Hsu, Kaohsiung, TW;

Hsie-chia Chang, Hsinchu, TW;

Chen-yi Lee, Hsinchu, TW;

Inventors:

Yi-Min Lin, Taipei, TW;

Chih-Hsiang Hsu, Kaohsiung, TW;

Hsie-Chia Chang, Hsinchu, TW;

Chen-Yi Lee, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01); H03M 13/15 (2006.01); H03M 13/45 (2006.01);
U.S. Cl.
CPC ...
H03M 13/152 (2013.01); H03M 13/1525 (2013.01); H03M 13/159 (2013.01); H03M 13/451 (2013.01); H03M 13/6502 (2013.01);
Abstract

In a cyclic code decoding method, a decoder analyzes a received codeword to identify unreliable symbols in the codeword, and sets candidate syndrome patterns accordingly. Then, a syndrome calculator calculates evaluated syndrome values associated with one of the candidate syndrome patterns, and an error location polynomial (ELP) generator generates an ELP according to the syndrome values. An error correction device corrects the errors in the codeword according to the ELP when a degree of the ELP is not more than a threshold value, and the syndrome calculator adjusts the syndrome values and the ELP generator generates another ELP according to the adjusted syndrome values when otherwise.


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