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:
Mar. 11, 2008
Filed:
Jun. 24, 2005
Dariush Divsalar, Pacific Palisades, CA (US);
Aliazam Abbasfar, Cupertino, CA (US);
Christopher R. Jones, Pacific Palisades, CA (US);
Samuel J. Dolinar, Sunland, CA (US);
Jeremy C. Thorpe, Redlands, CA (US);
Kenneth S. Andrews, Pasadena, CA (US);
Kung Yao, Sherman Oaks, CA (US);
Dariush Divsalar, Pacific Palisades, CA (US);
Aliazam Abbasfar, Cupertino, CA (US);
Christopher R. Jones, Pacific Palisades, CA (US);
Samuel J. Dolinar, Sunland, CA (US);
Jeremy C. Thorpe, Redlands, CA (US);
Kenneth S. Andrews, Pasadena, CA (US);
Kung Yao, Sherman Oaks, CA (US);
Abstract
An apparatus and method for encoding low-density parity check codes. Together with a repeater, an interleaver and an accumulator, the apparatus comprises a precoder, thus forming accumulate-repeat-accumulate (ARA codes). Protographs representing various types of ARA codes, including AR3A, AR4A and ARJA codes, are described. High performance is obtained when compared to the performance of current repeat-accumulate (RA) or irregular-repeat-accumulate (IRA) codes.