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Sensors
Volume 21
Issue 8
10.3390/s21082751
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Article

Performance of Vehicular Visible Light Communications under the Effects of Atmospheric Turbulence with Aperture Averaging

by
Elizabeth Eso
1,*,
Zabih Ghassemlooy
1,
Stanislav Zvanovec
2,
Juna Sathian
1,
Mojtaba Mansour Abadi
1 and
Othman Isam Younus
1
1
Optical Communications Research Group, Faculty of Engineering and Environment, Northumbria University, Newcastle-upon-Tyne NE1 8ST, UK
2
Department of Electromagnetic Field, Faculty of Electrical Engineering, Czech Technical University in Prague, 16627 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Sensors 2021, 21(8), 2751; https://doi.org/10.3390/s21082751
Submission received: 9 March 2021 / Revised: 9 April 2021 / Accepted: 11 April 2021 / Published: 13 April 2021
(This article belongs to the Special Issue Visible Light Communication, Networking, and Sensing)
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Abstract

In this paper, we investigate the performance of a vehicular visible light communications (VVLC) link with a non-collimated and incoherent light source (a light-emitting diode) as the transmitter (Tx), and two different optical receiver (Rx) types (a camera and photodiode (PD)) under atmospheric turbulence (AT) conditions with aperture averaging (AA). First, we present simulation results indicating performance improvements in the signal-to-noise ratio (SNR) under AT with AA with increasing size of the optical concentrator. Experimental investigations demonstrate the potency of AA in mitigating the induced signal fading due to the weak to moderate AT regimes in a VVLC system. The experimental results obtained with AA show that the link’s performance was stable in terms of the average SNR and the peak SNR for the PD and camera-based Rx links, respectively with <1 dB SNR penalty for both Rxs, as the strength of AT increases compared with the link with no AT.
Keywords: vehicular; visible light communication; atmospheric turbulence; aperture averaging; incoherent light source vehicular; visible light communication; atmospheric turbulence; aperture averaging; incoherent light source

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MDPI and ACS Style

Eso, E.; Ghassemlooy, Z.; Zvanovec, S.; Sathian, J.; Abadi, M.M.; Younus, O.I. Performance of Vehicular Visible Light Communications under the Effects of Atmospheric Turbulence with Aperture Averaging. Sensors 2021, 21, 2751. https://doi.org/10.3390/s21082751

AMA Style

Eso E, Ghassemlooy Z, Zvanovec S, Sathian J, Abadi MM, Younus OI. Performance of Vehicular Visible Light Communications under the Effects of Atmospheric Turbulence with Aperture Averaging. Sensors. 2021; 21(8):2751. https://doi.org/10.3390/s21082751

Chicago/Turabian Style

Eso, Elizabeth, Zabih Ghassemlooy, Stanislav Zvanovec, Juna Sathian, Mojtaba Mansour Abadi, and Othman Isam Younus. 2021. "Performance of Vehicular Visible Light Communications under the Effects of Atmospheric Turbulence with Aperture Averaging" Sensors 21, no. 8: 2751. https://doi.org/10.3390/s21082751

APA Style

Eso, E., Ghassemlooy, Z., Zvanovec, S., Sathian, J., Abadi, M. M., & Younus, O. I. (2021). Performance of Vehicular Visible Light Communications under the Effects of Atmospheric Turbulence with Aperture Averaging. Sensors, 21(8), 2751. https://doi.org/10.3390/s21082751

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