Wireless Personal Communications

, Volume 104, Issue 2, pp 771–781 | Cite as

All-Optical FSO Relaying Under Mixture-Gamma Fading Channels and Pointing Errors

  • Nikolaos I. MiridakisEmail author
  • Dimitrios D. Vergados
  • Angelos Michalas


The performance of all-optical dual-hop relayed free-space optical communication systems is analytically studied and evaluated. We consider the case when the total received signal undergoes turbulence-induced channel fading, modeled by the versatile mixture-Gamma distribution. Also, the misalignment-induced fading due to the presence of pointing errors is jointly considered in the enclosed analysis. The performance of both amplify-and-forward and decode-and-forward relaying transmission is studied, when heterodyne detection is applied. New closed-form expressions are derived regarding some key performance metrics of the considered system; namely, the system outage probability and average bit-error rate.


Dual-hop relaying Free-space optical (FSO) Mixture-Gamma distribution Pointing error misalignment 



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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Nikolaos I. Miridakis
    • 1
    • 2
    Email author
  • Dimitrios D. Vergados
    • 3
  • Angelos Michalas
    • 4
  1. 1.School of Electrical and Information Engineering and the Institute of Physical InternetJinan UniversityZhuhaiChina
  2. 2.Department of Computer Systems EngineeringPiraeus University of Applied SciencesAegaleoGreece
  3. 3.Department of InformaticsUniversity of PiraeusPiraeusGreece
  4. 4.Department of Informatics and Computer TechnologyTechnological Education Institute of Western MacedoniaKastoriaGreece

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