Using binary images of non binary LDPC codes to improve overall performance

Conference: TURBO - CODING - 2006 - 4th International Symposium on Turbo Codes & Related Topics; 6th International ITG-Conference on Source and Channel Coding
04/03/2006 - 04/07/2006 at Munich, Germany

Proceedings: TURBO - CODING - 2006

Pages: 6Language: englishTyp: PDF

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Poulliat, Charly; Declercq, David (ETIS, ENSEA/UCP/CNRS, 6 Avenue du Ponceau, 95014 Cergy-Pontoise, France)
Poulliat, Charly; Fossorier, Marc (Coding Group, Electrical Eng. Dept., University of Hawaii at Manoa, 2540 Dole Str., Honolulu, HI-96822, USA)

In this paper, we address the problem of the optimization of non binary LDPC codes for finite lengths. Using the binary image of the code, we provide a method for both waterfall and error floor improvements based on the algebraic properties of rows, cycles and stopping sets.