Experimental analysis of a triple-hop relay-assisted FSO system with turbulence

Mohd Nor, Norhanis Aida, Ghassemlooy, Zabih, Zvanovec, Stanislav, Khalighi, Mohammad-Ali, Bhatnagar, Manav R., Bohata, Jan and Komanec, Matej (2019) Experimental analysis of a triple-hop relay-assisted FSO system with turbulence. Optical Switching and Networking, 33. pp. 194-198. ISSN 1573-4277

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Abstract

This paper outlines experimental investigation of the performance of the wireless optical network based on an all-optical triple-hop free space optical (FSO) communications employing amplify-and-forward relaying under the influence of atmospheric turbulence. We present new results for the bit error rate (BER) performance for seven possible turbulence network scenarios for relay-assisted FSO link and validate them with numerical simulations based on Gamma-Gamma turbulence model showing a good agreement between them. We also show results, which elucidate the impact of non-homogeneous turbulence along the entire transmission link span for the multiple-hop relay-assisted FSO system. More specifically we show that the BER performance considerably deteriorates for the case where turbulence is near to the receiver end. We outline that for a target BER of 10−4 the signal-to-noise ratio penalty can be as high as 9 dB compared to the case with no turbulence.

Item Type:	Article
Uncontrolled Keywords:	All-optical relaying, Atmospheric turbulence, BER, Free space optics, Multi-hop FSO network, Relay-assisted FSO
Subjects:	G400 Computer Science H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Elena Carlaw
Date Deposited:	05 Jul 2019 13:00
Last Modified:	19 Nov 2019 10:11
URI:	http://nrl.northumbria.ac.uk/id/eprint/39877

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