Influence of Pointing Errors at the Block Error Rate Performance of Strong Turbulent SIMO FSO Links

Nikolaos A. Androutsos, Hector E. Nistazakis, George K. Varotsos, Evgenia Roditi, Erich Leitgeb

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


The last few years Free Space Optical (FSO)
communication has attracted significant research and
commercial interest because of the many advantages in
comparison with other wireless methods used for point-topoint
connections. The operation of these systems strongly
depends on the atmospheric and others effects in the area
between the transmitter and the receiver. Among them,
atmospheric turbulence and misalignment are two of the most
significant performance mitigation factors. There have been
proposed several methods and techniques in the literature in
order to set against the induced fading of these phenomena. It
is widely accepted that one of the most effective one is the
employment of receivers’ diversity. Motivated by this and by
taking into account that the ultra-fast modern optical
communication systems are using blocks of bits for the
transmission and codes for the detection and/or correction of
the erroneous bits, in this work, we investigate the combined
impact of pointing errors and strong turbulence in the total
average block error rate (ABLER) of FSO systems with
receivers’ diversity. Novel analytical expressions are derived
using accurate approximations while the corresponding
numerical results for realistic Single-Input Multiple-Output
(SIMO) FSO links are presented.
Original languageEnglish
Title of host publicationProceedings of the 16th International Conference on Telecommunications, ConTEL 2021
EditorsMartina Antonic, Jurica Babic
PublisherIEEE Xplore
Number of pages6
ISBN (Electronic)978-9-5318-4271-6
Publication statusPublished - 30 Jun 2021
Event16th International Conference on Telecommunications: ConTEL 2021 - Zagreb, Croatia
Duration: 30 Jun 20212 Jul 2021

Publication series

NameProceedings of the 16th International Conference on Telecommunications, ConTEL 2021


Conference16th International Conference on Telecommunications
Abbreviated titleConTEL 2021


  • atmospheric turbulence
  • channel emulator
  • Free Space Optics (FSO)
  • near-Earth communication
  • photodetectors
  • scintillation
  • testbed
  • Atmospheric Turbulence
  • SIMO Links
  • Diversity
  • BLER
  • Pointing Errors
  • Optical Wireless Communication Systems

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Hardware and Architecture
  • Computer Networks and Communications
  • Computer Science Applications
  • Media Technology

Fields of Expertise

  • Information, Communication & Computing
  • Advanced Materials Science


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