Joint (3,k)-regular LDPC code and decoder/encoder design

  • Authors:
  • Tong Zhang;K.K. Parhi

  • Affiliations:
  • -;-

  • Venue:
  • IEEE Transactions on Signal Processing
  • Year:
  • 2004

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Abstract

Recently, low-density parity-check (LDPC) codes have attracted a lot of attention in the coding theory community. However, their real-world applications are still problematic mainly due to the lack of effective decoder/encoder hardware design approaches. In this paper, we present a joint (3,k)-regular LDPC code and decoder/encoder design technique to construct a class of (3,k)-regular LDPC codes that not only have very good error-correcting capability but also exactly fit to high-speed partly parallel decoder and low-complexity encoder implementations. We also develop two techniques to further modify this joint design scheme to achieve more flexible tradeoffs between decoder hardware complexity and decoding speed.