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. 03, 2009
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);
California Institute of Technology, Pasadena, CA (US);
The Regents of the University of California, Oakland, CA (US);
Abstract
Methods and apparatus to encode message input symbols in accordance with an accumulate-repeat-accumulate code with repetition three or four are disclosed. Block circulant matrices are used. A first method and apparatus make use of the block-circulant structure of the parity check matrix. A second method and apparatus use block-circulant generator matrices.