Performance Analysis of FSO Communications over F Turbulence Channels with Pointing Errors

Osamah S. Badarneh, Rawan Derbas, Fares S. Almehmadi, Faissal El Bouanani, Sami Muhaidat

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

Recently, the Fisher-Snedecor F distribution was proposed to model the turbulence in free-space optical (FSO) communications. However, the existing model does not consider pointing error impairment. To fill this gap, in this letter, we derive novel closed-form expressions for the probability density function (PDF) and cumulative distribution function (CDF) for irradiance fluctuations in the presence of pointing error impairments. Subsequently, the PDF and CDF of the received signal-to-noise ratio (SNR) are derived and employed to obtain novel closed-form expressions for the outage probability, average bit error rate, and average ergodic capacity. To gain more insight into the impact of system and turbulence channel parameters, simple and accurate asymptotic expressions are further derived. Our analytical results are supported by Monte-Carlo simulations to validate the analysis.

Original languageBritish English
Article number9281340
Pages (from-to)926-930
Number of pages5
JournalIEEE Communications Letters
Volume25
Issue number3
DOIs
StatePublished - Mar 2021

Keywords

  • bit error rate
  • F turbulence
  • free-space optical
  • outage probability
  • pointing error

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