Experimental Error Performance of Modulation Schemes Under a Controlled Laboratory Turbulence FSO Channel

Sujan Rajbhandari, Z. Ghassemlooy, P. A. Haigh, T. Kanesan, X. Tang

Research output: Contribution to journalArticle

31 Citations (Scopus)
90 Downloads (Pure)

Abstract

This paper experimentally investigates the performance of different modulation schemes under the atmospheric turbulence conditions for free space optical communication links. The experiments were carried out in a dedicated and controlled indoor atmospheric chamber. The turbulence environment was created by introducing hot air, while the temperature profile was monitored throughout the chamber to maintain a constant environment. By evaluating the error performance of different modulation schemes under identical conditions, it was observed that pulse position modulation offers the best performance, followed by subcarrier intensity modulation under weak turbulence environments.
Original languageEnglish
Pages (from-to)244 - 250
JournalJournal of Lightwave Technology
Volume33
Issue number1
DOIs
Publication statusPublished - 1 Jan 2015

Bibliographical note

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Keywords

  • atmospheric turbulence
  • optical links
  • pulse position modulation
  • telecommunication channels
  • atmospheric turbulence conditions
  • controlled laboratory turbulence FSO channel
  • error performance
  • free space optical communication links
  • indoor atmospheric chamber
  • modulation schemes
  • subcarrier intensity modulation
  • weak turbulence environments
  • Bit error rate
  • Free space optics
  • bit error rate
  • free space optics
  • turbulence
  • Adaptive optics
  • Binary phase shift keying
  • Optical distortion
  • Optical filters
  • Optical modulation
  • Optical receivers

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