Connectivity and Topology Control in Wireless Ad Hoc Networks with Realistic Physical Layer
ICWMC '07 Proceedings of the Third International Conference on Wireless and Mobile Communications
An analytical study of fundamental mobility properties for encounter-based protocols
International Journal of Autonomous and Adaptive Communications Systems
Dependability evaluation of a replication service for mobile applications in dynamic ad-hoc networks
ISAS'08 Proceedings of the 5th international conference on Service availability
Connectivity analysis of one-dimensional ad-hoc networks
Wireless Networks
Availability modelling of a virtual black box for automotive systems
Proceedings of the 2nd International Workshop on Software Engineering for Resilient Systems
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Vehicular ad-hoc networks have received increasing interest in the last years for their potential to support a variety of services and applications in order to improve driving safety or traffic efficiency and to provide information and entertainment to the users. This paper focuses on the analysis of some connectivity characteristics in dynamic vehicular communication scenarios, that are important for the design and the performance and dependability assessment of such applications. In particular, we focus on the process describing the occurrence of encounters between cars in single and multi-hop scenarios. Using analytical proofs and simulation experiments, it is shown that under some key assumptions on the movements and the placement of the cars, this process can be approximated as a stationary or a nonhomogeneous Poisson process. Results are also provided concerning the duration of connections in the ad-hoc domain.