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Adaptive hybrid free space optical/radio frequency communication system

Author

Listed:
  • Muhammad Nasir Khan

    (The University of Lahore)

  • Mohsin Jamil

    (National University of Sciences and Technology (NUST))

Abstract

Wireless communication has achieved lot of attention and the demand is continually increasing day by day. Radio frequency (RF) is highly attracted by various wireless communication applications. The RF spectrum is already very crowded and the rapid increase in the use of wireless services has led the problems of RF spectrum exhaustion and eventually RF spectrum deficit. Free space optical (FSO) communication is a viable technology with a plenty of bandwidth, license-free spectrum and interference free link. On the other hand, FSO channel is severely corrupted by atmospheric turbulence and non-predictive weather scenarios. We suggest a hybrid FSO/RF communication system in our previous research, which can mitigate the issues of the individual links. In this research, we investigate the performance of the proposed adaptive system for reliable data transmission. We develop modulation and power adaptive schemes for maximizing the mutual information. The proposed adaptive system is compared with non-adaptive system, which gives 2.75 dB gain for the joint power and 0.75 dB gain for the separate power constraint.

Suggested Citation

  • Muhammad Nasir Khan & Mohsin Jamil, 2017. "Adaptive hybrid free space optical/radio frequency communication system," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 65(1), pages 117-126, May.
    • Handle: RePEc:spr:telsys:v:65:y:2017:i:1:d:10.1007_s11235-016-0217-8
    DOI: 10.1007/s11235-016-0217-8
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