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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 23,
  • Issue 5,
  • pp. 1939-
  • (2005)

Generalized Low-Density Parity-Check Codes for Optical Communication Systems

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Abstract

This paper is concerned with investigating the performance of regular and irregular, randomlike and structured generalized low-density parity-check (GLDPC) codes for long-haul transmission. The proposed GLDPC codes outperform currently known turbo and low-density parity-check (LDPC) coding schemes with comparable parameters utilized in optical communication systems. For a GLDPC coding scheme with 23.6% redundancy, the largest so far reported coding gain of at least 11dB (at 40 Gb/s) is demonstrated.

© 2005 IEEE

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