Abstract
In this work, a vehicle-to-vehicle (V2V) visible light communications (VLC) model for two <b>practical scenarios</b>, is proposed. In <xref ref-type="other" rid="other1">scenario 1</xref>, the random lateral shift of vehicles and the deterministic longitudinal separation between two communicating vehicles are considered, whereas in <xref ref-type="other" rid="other2">scenario 2</xref>, longitudinal separation between two vehicles is considered to be random, and lateral shift of vehicles is considered to be deterministic. To this end, we emphasize <b>comprehensive modeling</b> of the <b>practical characteristics</b> of the considered V2V-VLC system, such as <b>random path loss</b> due to the <b>random mobility</b> of the vehicle, <b>random lateral shift</b> and <b>random longitudinal separation</b> of the vehicle. Moreover, we analyze the performance of the proposed V2V-VLC model in terms of different metrics under the consideration of a <b>novel channel model</b>. Considering our <b>findings</b>, it is observed that the random lateral shift of the vehicle and the random longitudinal separation between two vehicles have a significant impact on the V2V-VLC system performance. Further, at a distance of 40 m, for example, the path loss <b>penalties</b> for moderate and dense fog weather scenarios are 2 and 3 dB, respectively, compared with the clear weather. Furthermore, the <b>combined impact</b> of path loss and atmospheric turbulence affects the V2V-VLC performance significantly.
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