On the impact of optimal modulation and FEC overhead on future optical networks

A. Alvarado, D.J. Ives, S.J. Savory, P. Bayvel

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)
75 Downloads (Pure)

Abstract

Transceivers employing square PM-QAM with up to two FEC overheads are optimized based on the SNR distribution. For NSFNET two FEC overheads with PM-16QAM give an 82% throughput increase compared with PM-QPSK with 7% overhead.
Original languageEnglish
Pages (from-to)2339-2352
Number of pages14
JournalJournal of Lightwave Technology
Volume34
Issue number9
DOIs
Publication statusPublished - 1 May 2016

Keywords

  • Bit-wise receivers
  • channel coding
  • forward error correction
  • modulation
  • optical networks
  • soft-decision

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