Reducing the Error Floor

Details Reducing the Error Floor Reducing the Error Floor

2007-06-20

arxiv.org/abs/0706.2926v1

Computer Science

Information Theory

6 pages, 1 figure, invited talk at ITW'07 Tahoe

Scientific paper

We discuss how the loop calculus approach of [Chertkov, Chernyak '06], enhanced by the pseudo-codeword search algorithm of [Chertkov, Stepanov '06] and the facet-guessing idea from [Dimakis, Wainwright '06], improves decoding of graph based codes in the error-floor domain. The utility of the new, Linear Programming based, decoding is demonstrated via analysis and simulations of the model $[155,64,20]$ code.

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