Experimental Investigation of All-Optical Relay-Assisted 10 Gb/s FSO Link Over the Atmospheric Turbulence Channel

Norhanis Aida Mohd Mohd; Zabih Ghassemlooy; Jan Bohata; Prakriti Saxena; Matej Komanec; Stanislav Zvanovec; Manav R. Bhatnagar; Mohammad-Ali Khalighi

doi:10.1109/JLT.2016.2629081

Experimental Investigation of All-Optical Relay-Assisted 10 Gb/s FSO Link Over the Atmospheric Turbulence Channel

Norhanis Aida Mohd Mohd, Zabih Ghassemlooy, Jan Bohata, Prakriti Saxena, Matej Komanec, Stanislav Zvanovec, Manav R. Bhatnagar, Mohammad-Ali Khalighi

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Abstract

This paper presents novel experimental results for a 10 Gb/s triple-hop relay-based all-optical free space optical (FSO) system by employing the amplify-and-forward relaying scheme. We provide a mathematical framework for the end-end signal-to-noise ratio (SNR) and the bit-error rate (BER) performance and confirm that the derived analytical results reasonably match experimental results especially at relatively high SNR. The evaluated BER performances under different atmospheric turbulence regimes (modeled by the Gamma-Gamma distribution) show that the considered relay-assisted FSO system offers a significant performance improvement for weak-to-strong turbulence regimes, even without knowledge of the channel state information. More precisely, at a target BER of 10-5, the proposed scheme offers ~5 and ~4 dB of SNR gains compared to the direct transmission for turbulence strengths Cn2 of 3.8 × 10-10 m-2/3 and 5.4 × 10-12 m-2/3, respectively.

Original language	English
Pages (from-to)	45-53
Journal	Journal of Lightwave Technology
Volume	35
Issue number	1
DOIs	https://doi.org/10.1109/JLT.2016.2629081
Publication status	Published - 14 Nov 2016

Keywords

All-optical relaying
atmospheric turbulence
BER
free space optics
relay-assisted FSO

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Mohd Nor et alAccepted author manuscript, 1.77 MB

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title = "Experimental Investigation of All-Optical Relay-Assisted 10 Gb/s FSO Link Over the Atmospheric Turbulence Channel",

abstract = "This paper presents novel experimental results for a 10 Gb/s triple-hop relay-based all-optical free space optical (FSO) system by employing the amplify-and-forward relaying scheme. We provide a mathematical framework for the end-end signal-to-noise ratio (SNR) and the bit-error rate (BER) performance and confirm that the derived analytical results reasonably match experimental results especially at relatively high SNR. The evaluated BER performances under different atmospheric turbulence regimes (modeled by the Gamma-Gamma distribution) show that the considered relay-assisted FSO system offers a significant performance improvement for weak-to-strong turbulence regimes, even without knowledge of the channel state information. More precisely, at a target BER of 10-5, the proposed scheme offers \textasciitilde{}5 and \textasciitilde{}4 dB of SNR gains compared to the direct transmission for turbulence strengths Cn2 of 3.8 × 10-10 m-2/3 and 5.4 × 10-12 m-2/3, respectively.",

keywords = "All-optical relaying, atmospheric turbulence, BER, free space optics, relay-assisted FSO",

author = "Mohd, \{Norhanis Aida Mohd\} and Zabih Ghassemlooy and Jan Bohata and Prakriti Saxena and Matej Komanec and Stanislav Zvanovec and Bhatnagar, \{Manav R.\} and Mohammad-Ali Khalighi",

year = "2016",

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doi = "10.1109/JLT.2016.2629081",

language = "English",

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T1 - Experimental Investigation of All-Optical Relay-Assisted 10 Gb/s FSO Link Over the Atmospheric Turbulence Channel

AU - Mohd, Norhanis Aida Mohd

AU - Ghassemlooy, Zabih

AU - Bohata, Jan

AU - Saxena, Prakriti

AU - Komanec, Matej

AU - Zvanovec, Stanislav

AU - Bhatnagar, Manav R.

AU - Khalighi, Mohammad-Ali

PY - 2016/11/14

Y1 - 2016/11/14

N2 - This paper presents novel experimental results for a 10 Gb/s triple-hop relay-based all-optical free space optical (FSO) system by employing the amplify-and-forward relaying scheme. We provide a mathematical framework for the end-end signal-to-noise ratio (SNR) and the bit-error rate (BER) performance and confirm that the derived analytical results reasonably match experimental results especially at relatively high SNR. The evaluated BER performances under different atmospheric turbulence regimes (modeled by the Gamma-Gamma distribution) show that the considered relay-assisted FSO system offers a significant performance improvement for weak-to-strong turbulence regimes, even without knowledge of the channel state information. More precisely, at a target BER of 10-5, the proposed scheme offers ~5 and ~4 dB of SNR gains compared to the direct transmission for turbulence strengths Cn2 of 3.8 × 10-10 m-2/3 and 5.4 × 10-12 m-2/3, respectively.

AB - This paper presents novel experimental results for a 10 Gb/s triple-hop relay-based all-optical free space optical (FSO) system by employing the amplify-and-forward relaying scheme. We provide a mathematical framework for the end-end signal-to-noise ratio (SNR) and the bit-error rate (BER) performance and confirm that the derived analytical results reasonably match experimental results especially at relatively high SNR. The evaluated BER performances under different atmospheric turbulence regimes (modeled by the Gamma-Gamma distribution) show that the considered relay-assisted FSO system offers a significant performance improvement for weak-to-strong turbulence regimes, even without knowledge of the channel state information. More precisely, at a target BER of 10-5, the proposed scheme offers ~5 and ~4 dB of SNR gains compared to the direct transmission for turbulence strengths Cn2 of 3.8 × 10-10 m-2/3 and 5.4 × 10-12 m-2/3, respectively.

KW - All-optical relaying

KW - atmospheric turbulence

KW - BER

KW - free space optics

KW - relay-assisted FSO

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DO - 10.1109/JLT.2016.2629081

M3 - Article

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VL - 35

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JO - Journal of Lightwave Technology

JF - Journal of Lightwave Technology

IS - 1

ER -

Experimental Investigation of All-Optical Relay-Assisted 10 Gb/s FSO Link Over the Atmospheric Turbulence Channel

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Keywords

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