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This paper studies the multihop packet delivery delay in a low density vehicular ad hoc network (VANET). We address a disrupted vehicle-to-infrastructure communication scenario, where an end-to-end path is unlikely to exist between a vehicle and the nearest road side unit (RSU). We present an analytical framework, which takes into account the randomness of vehicle data traffic and the statistical...
Connectivity is a fundamental requirement in the planning, design and evaluation of vehicular ad hoc networks (VANET). In this paper, we propose a new equivalent speed parameter and develop an analytical model to explain the effect of vehicle mobility on the connectivity of highway segments in a VANET. We prove that the equivalent speed is different from the average vehicle speed and it decreases...
In view of some shortcomings of existing broadcast algorithms for Vehicular Ad Hoc Networks (VANET), including ignoring the differences of transmission range among different vehicles, and disseminating emergency messages based only on vehicles in the one-way lane etc., a novel broadcast algorithm for VANET called Transmission Range Adaptive Broadcast (TRAB) is proposed in this paper. Considering the...
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