Generalized low-density parity-check codes for optical communication systems

Ivan B. Djordjevic, Olgica Milenkovic, Bane Vasic

Research output: Contribution to journalArticlepeer-review


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 11 dB (at 40 Gb/s) is demonstrated.

Original languageEnglish (US)
Article number1430793
Pages (from-to)1939-1946
Number of pages8
JournalJournal of Lightwave Technology
Issue number5
StatePublished - May 2005
Externally publishedYes


  • Forward-error correction (FEC)
  • Generalized low-density parity-check codes (GLDPCs)
  • Optical communications

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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