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LDPC pexit graph analysis
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Protograph analysis of decoding threshold value, the traditional EXIT can not be used, so using the pexit diagram, is the most important tool for the analysis ofprotograph. This paper proposes a new external information transfer analysis methods, mainly based on protographs and polygon LDPC code, further introduces the edge connection restrictions, for many types of this kind of codewords, the traditional EXIT chart analysis method can not be used, the method of PEXIT diagram considering edge connection for the estimation, allows the decoding convergence protograph LDPC codes based on design, allowinghigh structured LDPC codes with near capacity
lcoliny
2016-08-23
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