Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher R. Jones0
Kenneth S. Andrews0
Kung Yao0
Samuel J. Dolinar0
Aliazam Abbasfar0
Dariush Divsalar0
Jeremy C. Thorpe0
Date of Patent
March 11, 2008
0Patent Application Number
111660400
Date Filed
June 24, 2005
0Patent Primary Examiner
Patent 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.
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