Improving LDPC Decoders via Informed Dynamic Scheduling

  title={Improving LDPC Decoders via Informed Dynamic Scheduling},
  author={A.I.V. Casado and Miguel Griot and R D Wesel},
  journal={2007 IEEE Information Theory Workshop},
Low-Density Parity-Check (LDPC) codes are usually decoded by running an iterative belief-propagation (BP), or message-passing, algorithm over the factor graph of the code. The message-passing schedule of the BP algorithm significantly affects the performance of the LDPC decoder. The authors recently presented a novel message-passing schedule, called Informed Dynamic Scheduling (IDS), that selects the message-passing schedule according to the observed rate of change of the messages. IDS yields a… CONTINUE READING
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