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In a Vehicular Ad-hoc Network Environment, roadside units (RSU), which are traffic data transmitters located statically on the roads, are the most essential infrastructural units for supporting seamless communications. In this paper, we propose an improved traffic flow based RSU allocation strategy that places the least number of RSUs at the most popular and important intersections where vehicles...
In this paper, we introduce a new practical and secure architecture for vehicular black-box image communication in a VANET environment. Since black-box images show more detailed descriptions of the vehicle and the ambient conditions, more reliable traffic information and analysis can be provided. The main barrier to establish the black-box image communication system is that the communicational and...
A vehicular network must ensure a trust relationship among participating “smart vehicles” (vehicles installed with wireless network devices) and roadside infrastructure in order to maximize the benefit provided by the network. In this paper, we present practical ways to provide reliable reputation scores for vehicles in a vehicular network. Because in most of the time, the majority of people drive...
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