Construction of Quasi-Cyclic LDPC Codes for AWGN and Binary Erasure Channels: A Finite Field Approach

  title={Construction of Quasi-Cyclic LDPC Codes for AWGN and Binary Erasure Channels: A Finite Field Approach},
  author={Lan Lan and Lingqi Zeng and Ying Yu Tai and Lei Chen and Shu Lin and Khaled A. S. Abdel-Ghaffar},
  journal={IEEE Transactions on Information Theory},
In the late 1950s and early 1960s, finite fields were successfully used to construct linear block codes, especially cyclic codes, with large minimum distances for hard-decision algebraic decoding, such as Bose-Chaudhuri-Hocquenghem (BCH) and Reed-Solomon (RS) codes. This paper shows that finite fields can also be successfully used to construct algebraic low-density parity-check (LDPC) codes for iterative soft-decision decoding. Methods of construction are presented. LDPC codes constructed by… CONTINUE READING
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LDPC performance vs. number of iterations

  • K. Andrews, C. Jones, S. Dolinar, F. Pollara
  • Proc. The Consultative Committee for Space Data…
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