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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...
In this paper, we propose a timestamp series approach to defend against Sybil attack in a vehicular ad hoc network (VANET) based on roadside unit support. The proposed approach targets the initial deployment stage of VANET when basic roadside unit (RSU) support infrastructure is available and a small fraction of vehicles have network communication capability. Unlike previously proposed schemes that...
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