Efficient secure aggregation in VANETs
Proceedings of the 3rd international workshop on Vehicular ad hoc networks
Network connectivity of VANETs in urban areas
SECON'09 Proceedings of the 6th Annual IEEE communications society conference on Sensor, Mesh and Ad Hoc Communications and Networks
Secure vehicular communication systems: design and architecture
IEEE Communications Magazine
Secure vehicular communication systems: implementation, performance, and research challenges
IEEE Communications Magazine
Eviction of Misbehaving and Faulty Nodes in Vehicular Networks
IEEE Journal on Selected Areas in Communications
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There are traffic situations (e.g. incorrect speeding tickets) in which a given vehicle's driving behavior at some point in time has to be proved to a third party. Vehicle-mounted sensorial devices are not suitable for this matter since they can be maliciously manipulated. However, surrounding vehicles may give their vision on another one's behavior. Furthermore, these data may be shared with the affected vehicle through VANETs. In this paper, a VANET-enabled data exchange mechanism called WEVAN is presented. The goal of this mechanism is to build and verify evidences based on surrounding vehicles (called witnesses) testimonies. Due to the short-range nature of VANETs, the connectivity to witnesses may be reduced with time - the later their testimonies are requested, the lower the amount of witnesses may be. Simulation results show that if testimonies are ordered 5s later, an average of 38 testimonies may be collected in highway scenarios. Other intervals and road settings are studied as well.