Emergency Broadcast Protocol for Inter-Vehicle Communications
ICPADS '05 Proceedings of the 11th International Conference on Parallel and Distributed Systems - Workshops - Volume 02
Localized Protocols for Ad Hoc Clustering and Backbone Formation: A Performance Comparison
IEEE Transactions on Parallel and Distributed Systems
Routing in Sparse Vehicular Ad Hoc Wireless Networks
IEEE Journal on Selected Areas in Communications
QoSHVCP: hybrid vehicular communications protocol with QoS prioritization for safety applications
ISRN Communications and Networking
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This paper presents mathematical modeling and analysis for the total delay in disseminating safety messages in a vehicular ad hoc network (VANET). Node clustering can help in managing a large network and improving scalability, thus cluster based broadcasting is considered so as to prevent broadcast storms. Traffic flow theories developed in civil engineering are employed, which suggest different mathematical models for different traffic densities. This provides realistic models that account for the mobility and randomness and matches the highly dynamic nature of a VANET. We also investigate the minimum cluster size that achieves acceptable message delivery latency. It is shown that network control and performance parameters are dependent on the traffic density.