Performance analysis of atmospheric optical PPM CDMA systems

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86 Citations (Scopus)

Abstract

We propose atmospheric optical code-division multiple-access (CDMA) systems. We analyze the bit-error rate of the proposed system using pulse-position modulation (PPM) with considering the effects of the scintillation, avalanche photodiode noise, thermal noise, and multi-user interference. We show that the atmospheric optical CDMA systems can realize high-speed communications when the logarithm variance of the scintillation is small. When σs2 is large, we need to use forward-error correction codes.

Original languageEnglish
Pages (from-to)406-411
Number of pages6
JournalJournal of Lightwave Technology
Volume21
Issue number2
DOIs
Publication statusPublished - 2003 Feb 1
Externally publishedYes

Keywords

  • Atmospheric optical communications
  • Optical code-division multiple-access (CDMA)
  • Pulse-position modulation (PPM)
  • Scintillation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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