The broadcast storm problem in a mobile ad hoc network
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Load-Balancing Clusters in Wireless Ad Hoc Networks
ASSET '00 Proceedings of the 3rd IEEE Symposium on Application-Specific Systems and Software Engineering Technology (ASSET'00)
Spray and wait: an efficient routing scheme for intermittently connected mobile networks
Proceedings of the 2005 ACM SIGCOMM workshop on Delay-tolerant networking
Vehicular grid communications: the role of the internet infrastructure
WICON '06 Proceedings of the 2nd annual international workshop on Wireless internet
Proceedings of the 1st international MobiSys workshop on Mobile opportunistic networking
Analysis of multi-hop emergency message propagation in vehicular ad hoc networks
Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing
Load Balancing in Distributed Systems
IEEE Transactions on Software Engineering
Analysis and Design of Warning Delivery Service in Intervehicular Networks
IEEE Transactions on Mobile Computing
Reliable and Efficient Alarm Message Routing in VANET
ICDCSW '08 Proceedings of the 2008 The 28th International Conference on Distributed Computing Systems Workshops
Vehicular Networks: From Theory to Practice
Vehicular Networks: From Theory to Practice
V2X-Based Traffic Congestion Recognition and Avoidance
ISPAN '09 Proceedings of the 2009 10th International Symposium on Pervasive Systems, Algorithms, and Networks
Load Balancing Routing Algorithm for Ad Hoc Networks
MSN '09 Proceedings of the 2009 Fifth International Conference on Mobile Ad-hoc and Sensor Networks
Dynamic load balancing architecture in heterogeneous wireless network environment
ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
Modeling and analysis for emergency messaging delay in vehicular ad hoc networks
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
IEEE Communications Magazine
Communication patterns in VANETs
IEEE Communications Magazine
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This paper introduces a hybrid communication paradigm for achieving seamless connectivity in Vehicular Ad hoc Networks (VANETs), wherein the connectivity is often affected by changes in the dynamic topology, vehicles' speed, as well as the traffic density. Our proposed technique named QoS-oriented Hybrid Vehicular Communications Protocol (QoSHVCP) exploits both existing network infrastructure through a Vehicle-to-Infrastructure (V2I), as well as a traditional Vehicle-to-Vehicle (V2V) connection that could satisfy Quality-of-Service requirements. QoSHVCP is based on a V2V-V2I protocol switching algorithm, executed in a distributed fashion by each vehicle and is based on the cost function for alternative paths each time it needs to transmit a message. We utilize time delay as a performance metric and present the delay propagation rates when vehicles are transmitting high priority messages via QoSHVCP. Simulation results indicate that simultaneous usage of preexisting network infrastructure along with intervehicular communication provide lower delays, while maintaining the level of user's performance. Our results show a great promise for their future use in VANETs.