On the performance of hybrid RF and RF/FSO dual-hop transmission systems

Imran Shafique Ansari, Ferkan Yilmaz, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

22 Scopus citations

Abstract

In this work, we present the performance analysis of a dual-branch transmission system composed of a direct radio frequency (RF) link and a dual-hop relay composed of asymmetric RF and free-space optical (FSO) links. The FSO link accounts for pointing errors and both types of detection techniques (i.e. intensity modulation/direct detection (IM/DD) as well as heterodyne detection). The performance is evaluated under the assumption of selection combining (SC) diversity scheme. RF links are modeled by Rayleigh fading distribution whereas the FSO link is modeled by a unified Gamma-Gamma fading distribution. Specifically, we derive new exact closed-form expressions for the cumulative distribution function, probability density function, moment generating function, and moments of the end-to-end signal-to-noise ratio of such systems in terms of the Meijer's G function. We then capitalize on these results to offer new exact closed-form expressions for the outage probability, higher-order amount of fading, average error rate for binary and M-ary modulation schemes, and ergodic capacity, all in terms of Meijer's G functions. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013 2nd International Workshop on Optical Wireless Communications (IWOW)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages45-49
Number of pages5
ISBN (Print)9781479911882
DOIs
StatePublished - Oct 2013

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