ARA type protograph codes

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 A...

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Bibliographische Detailangaben
Hauptverfasser:	Divsalar, Dariush, Abbasfar, Aliazam, Jones, Christopher R., Dolinar, Samuel J., Thorpe, Jeremy C., Andrews, Kenneth S., Yao, Kung
Format:	Report
Sprache:	eng
Schlagworte:	Mathematical And Computer Sciences (General)
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	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.