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A Comprehensive Modeling of Vehicle-to-Vehicle Based VLC System Under Practical Considerations, an Investigation of Performance, and Diversity Property
2022
In this work, a vehicle-to-vehicle (V2V) visible light communications (VLC) model for two
practical scenarios
, is proposed. In
scenario 1
, the random lateral shift of vehicles and the deterministic longitudinal separation between two communicating vehicles are considered, whereas in
scenario 2
, 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
comprehensive modeling
of the
practical characteristics
of the considered V2V-VLC system, such as
random path loss
due to the
random mobility
of the vehicle,
random lateral shift
and
random longitudinal separation
of the vehicle. Moreover, we analyze the performance of the proposed V2V-VLC model in terms of different metrics under the consideration of a
novel channel model
. Considering our
findings
, 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
penalties
for moderate and dense fog weather scenarios are 2 and 3 dB, respectively, compared with the clear weather. Furthermore, the
combined impact
of path loss and atmospheric turbulence affects the V2V-VLC performance significantly.
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