Multilevel coding in M-ary DPSK/differential QAM high-speed optical transmission with direct detection

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52 Citations (Scopus)

Abstract

A bandwidth- and power-efficient modulation scheme using M-ary differential phase-shift keying (DPSK)/differential quadrature amplitude modulation (DQAM) and low-density parity-check (LDPC) codes as component codes in a multilevel coding (MLC) is proposed for optical transmission systems with direct detection. An MLC scheme with 2 b/s/Hz spectral efficiency based on block-circulant component codes provides the coding gain of 12.3 dB when compared to uncoded 8-DPSK, and 8.3 dB when compared to uncoded 4-DPSK (QDPSK).

Original languageEnglish (US)
Pages (from-to)420-428
Number of pages9
JournalJournal of Lightwave Technology
Volume24
Issue number1
DOIs
StatePublished - Jan 2006

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phase shift keying
quadrature amplitude modulation
Phase shift keying
Quadrature amplitude modulation
Light transmission
coding
high speed
parity
Modulation
bandwidth
Bandwidth
modulation

Keywords

  • Differential quadrature amplitude modulation (DQAM)
  • Low-density parity-check codes (LDPC)
  • M-ary differential phase-shift keying (DPSK)
  • Mach-zehnder interferometer
  • Multilevel coding
  • Optical communications

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Multilevel coding in M-ary DPSK/differential QAM high-speed optical transmission with direct detection",
abstract = "A bandwidth- and power-efficient modulation scheme using M-ary differential phase-shift keying (DPSK)/differential quadrature amplitude modulation (DQAM) and low-density parity-check (LDPC) codes as component codes in a multilevel coding (MLC) is proposed for optical transmission systems with direct detection. An MLC scheme with 2 b/s/Hz spectral efficiency based on block-circulant component codes provides the coding gain of 12.3 dB when compared to uncoded 8-DPSK, and 8.3 dB when compared to uncoded 4-DPSK (QDPSK).",
keywords = "Differential quadrature amplitude modulation (DQAM), Low-density parity-check codes (LDPC), M-ary differential phase-shift keying (DPSK), Mach-zehnder interferometer, Multilevel coding, Optical communications",
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year = "2006",
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AU - Vasic, Bane V

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N2 - A bandwidth- and power-efficient modulation scheme using M-ary differential phase-shift keying (DPSK)/differential quadrature amplitude modulation (DQAM) and low-density parity-check (LDPC) codes as component codes in a multilevel coding (MLC) is proposed for optical transmission systems with direct detection. An MLC scheme with 2 b/s/Hz spectral efficiency based on block-circulant component codes provides the coding gain of 12.3 dB when compared to uncoded 8-DPSK, and 8.3 dB when compared to uncoded 4-DPSK (QDPSK).

AB - A bandwidth- and power-efficient modulation scheme using M-ary differential phase-shift keying (DPSK)/differential quadrature amplitude modulation (DQAM) and low-density parity-check (LDPC) codes as component codes in a multilevel coding (MLC) is proposed for optical transmission systems with direct detection. An MLC scheme with 2 b/s/Hz spectral efficiency based on block-circulant component codes provides the coding gain of 12.3 dB when compared to uncoded 8-DPSK, and 8.3 dB when compared to uncoded 4-DPSK (QDPSK).

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KW - Low-density parity-check codes (LDPC)

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KW - Optical communications

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