Performance analysis of relay-assisted all-optical FSO networks over strong atmospheric turbulence channels with pointing errors

Liang Yang, Xiqi Gao, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

In this study, we consider a relay-assisted free-space optical communication scheme over strong atmospheric turbulence channels with misalignment-induced pointing errors. The links from the source to the destination are assumed to be all-optical links. Assuming a variable gain relay with amplify-and-forward protocol, the electrical signal at the source is forwarded to the destination with the help of this relay through all-optical links. More specifically, we first present a cumulative density function (CDF) analysis for the end-to-end signal-to-noise ratio. Based on this CDF, the outage probability, bit-error rate, and average capacity of our proposed system are derived. Results show that the system diversity order is related to the minimum value of the channel parameters.
Original languageEnglish (US)
Pages (from-to)4613-4620
Number of pages8
JournalJournal of Lightwave Technology
Volume32
Issue number23
DOIs
StatePublished - Dec 1 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was supported in part by the King Abdulaziz City of Science and Technology, the National Natural Science Foundation of China Program under Grants 61372096 and 61320106003, and the Open Research Fund of National Mobile Communications Research Laboratory, Southeast University, under Grant 2014D11.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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