Two Informed Dynamic Scheduling Strategies for Iterative LDPC Decoders

  title={Two Informed Dynamic Scheduling Strategies for Iterative LDPC Decoders},
  author={Huang-Chang Lee and Yeong-Luh Ueng and Shan-Ming Yeh and Wen-Yen Weng},
  journal={IEEE Transactions on Communications},
When residual belief-propagation (RBP), which is a kind of informed dynamic scheduling (IDS), is applied to low-density parity-check (LDPC) codes, the convergence speed in error-rate performance can be significantly improved. However, the RBP decoders presented in previous literature suffer from poor convergence error-rate performance due to the two phenomena explored in this paper. The first is the greedy-group phenomenon, which results in a small part of the decoding graph occupying most of… CONTINUE READING
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