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Does anyone know how to implement density evolution for the sum product algorithm of LDPC code on AWGN channel ?

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I am currently looking for density evolution (sum product, belief propagation or message passing decoding) of LDPC code on mathwork but most of the result is just differential evolution. Any recomended idea for an efficient implementation of this algorithm ?
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Usatyuk Vasiliy
Usatyuk Vasiliy il 6 Feb 2022
Modificato: Usatyuk Vasiliy il 6 Feb 2022
Different matlab implementation of Density Evolution for optimizing LDPC codes degree distribution under AWGN you can get from https://github.com/Lcrypto/Density-Evolution-AWGN . For same task using exit-chart, protograph pexit-chart and optimization under Fading channel you can get as well in different repo https://github.com/Lcrypto/ BR, USA_UK

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