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Abstract:Freight traffic in California depends, to a large degree, on trucks, due to their flexibility in
visiting warehouses, distribution centers, and terminals. However, trucks pose major challenges
to traffic and road safety. Accidents involving trucks are more deadly, and traffic congestion is
more likely in general when the flow of trucks is high. As a result, truck convoy emerges as a
good solution that can reduce the probability of both accidents and traffic congestion. A key
requirement for convoy formation is automated control of the distance between the participants.
Communication systems that can convey information between them are essential to ensure safety.
Recently the WAVE (IEEE 802.11p) standard has emerged for the communication between
vehicles. However there has neither been a large-scale field test with actual IEEE 802.11p
compliant devices, nor a detailed model for the propagation channel between the participating
vehicles under various circumstances. The overall purpose of this project is to investigate the
performance of IEEE 802.11p systems for interactions of convoys with mixed truck/car
situations, and assess the impact on convoy formation.
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