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Experimental Observations on the Feasibility of VLC-Based V2X Communications under various Environmental Deterrents

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posted on 25.11.2019 by Khagendra Joshi, Neelabhro Roy, Gurinder Singh, Vivek Ashok Bohara, Anand Srivastava
Vehicle-to-Everything (V2X) using Visible Light Communication (VLC) channels can be seen as an economically viable option to replace the existing modes of vehicular communications in the near future. In this paper, we have analyzed the performance of VLC based V2X communication under various environmental deterrents viz. Light Fog, Dense Fog, Light Smoke and Dense Smoke using a proof-of-concept testbed. A series of experiments were conducted to investigate the effects of environmental deterrents over VLC based Line-of-Sight as well as non-Line of Sight V2X transmission with respect to distance and angular variations. On-Off-keying (OOK) modulation has been selected as the modulation scheme, as defined in VLC standard (IEEE 802.15.7) for the transmission of information bits between a transmitter LED and a photo-diode receiver. The experimental results show the feasibility of VLC-based V2X systems with reliable data transmission under different environmental deterrents with a fairly good signal-to-noise ratio (SNR), even under dense-fog and smoke conditions where the attenuation in average optical power at the receiver, is quite high.

History

Email Address of Submitting Author

neelabhro16171@iiitd.ac.in

ORCID of Submitting Author

0000-0002-5777-7780

Submitting Author's Institution

IIIT-Delhi

Submitting Author's Country

India

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