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:
Dec. 27, 2011
Filed:
Sep. 19, 2008
Hironori Uchikawa, Yokohama, JP;
Kohsuke Harada, Yokohama, JP;
Hironori Uchikawa, Yokohama, JP;
Kohsuke Harada, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
There is provided with a decoding apparatus for decoding a low-density parity check code defined by a parity check matrix, includes: a first operation unit configured to carry out a row operation for each row of the parity check matrix; a calculation unit configured to calculate a reliability coefficient with respect to establishment of a parity check equation defined by said each row, respectively; a second operation unit configured to carry out a column operation for said each row; and a controller configured to iteratively execute one set which includes respective processing by the first operation unit, the calculation unit and the second operation unit and omit the processing by the first operation unit and the calculation unit for a row for which the reliability coefficient has satisfied a threshold.