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Outage Performance of the Mixed RF/FSO Relaying Channel in the Presence of Interference

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Abstract

We present novel closed-form expressions for the outage probability of the amplify-and-forward dual-hop semi-blind relaying channel, composed of mixed radio frequency (RF)/free space optical (FSO) links, while the relay is corrupted by both co-channel interferences and noise. The RF link is assumed to follow Nakagami-m distribution, while the FSO link is under the influence of atmospheric turbulence modelled by the Gamma–Gamma fading taking pointing errors into account. The analytical results are validated by Monte Carlo simulations. The obtained general expressions are simplified when RF link is noise-limited. The numerical results show the existence of the outage probability floor, which can be taken into account in the system design.

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Authors and Affiliations

  1. Faculty of Electronic Engineering, University of Nis, Aleksandra Medvedeva 14, Nis, 18000, Serbia

    Milica I. Petkovic, Aleksandra M. Cvetkovic & Goran T. Djordjevic

  2. Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece

    George K. Karagiannidis

Authors
  1. Milica I. Petkovic
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  2. Aleksandra M. Cvetkovic
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  3. Goran T. Djordjevic
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  4. George K. Karagiannidis
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Corresponding author

Correspondence to Milica I. Petkovic.

Additional information

This work was supported by European Science Foundation under COST IC1101 OPTICWISE Action “Optical Wireless Communications—An Emerging Technology”, Ministry of Education, Science and Technology Development of Republic of Serbia under grants TR-32028 and III-44006.

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Petkovic, M.I., Cvetkovic, A.M., Djordjevic, G.T. et al. Outage Performance of the Mixed RF/FSO Relaying Channel in the Presence of Interference. Wireless Pers Commun 96, 2999–3014 (2017). https://doi.org/10.1007/s11277-017-4336-7

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  • DOI: https://doi.org/10.1007/s11277-017-4336-7

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