Near Maximum Likelihood Decoding with Deep Learning.
2018
A novel and efficient
neural decoderalgorithm is proposed. The proposed
decoderis based on the neural
Belief Propagationalgorithm and the
AutomorphismGroup. By combining neural
belief propagationwith permutations from the
AutomorphismGroup we achieve near maximum likelihood performance for High Density Parity Check codes. Moreover, the proposed
decodersignificantly improves the
decodingcomplexity, compared to our earlier work on the topic. We also investigate the training process and show how it can be accelerated. Simulations of the hessian and the
condition numbershow why the learning process is accelerated. We demonstrate the
decodingalgorithm for various linear
block codesof length up to 63 bits.
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