Informed shuffled belief-propagation decoding for low-density parity-check codes

@article{Gong2015InformedSB,
  title={Informed shuffled belief-propagation decoding for low-density parity-check codes},
  author={Yi Gong and Xingcheng Liu and Guojun Han and Bin Wu},
  journal={IET Communications},
  year={2015},
  volume={9},
  pages={2259-2266}
}
Shuffled belief propagation (SBP), as a sequential belief propagation (BP) algorithm, speeds up the convergence of BP decoding, and maintains the least complexity of flooding BP. However, its performance is remarkably inferior to informed dynamic scheduling (IDS) BP algorithms. The authors design an informed dynamic location method, based on the residuals of variable node log-likelihood ratio values, to reorder variable nodes of SBP to be updated. The location method significantly accelerates… CONTINUE READING

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