J. Tomás-Gabarrón, E. Egea-López, J. García-Haro, Rocío Murcia-Hernández
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Performance Evaluation of a CCA Application for VANETs Using IEEE 802.11p
Improving safety on the road is one of the most challenging goals of recent investigations in VANETs (Vehicular Ad-hoc Networks). CCA (Chain Collision Avoidance) applications are a new emerging means of reducing the number of accidents on the road by providing cars with collaborative communication capabilities, thus allowing them to react against the real risk of accident which may occur in different traffic circumstances. In this paper a CCA application is presented, evaluating the performance of a one-hop notification delivery scheme for vehicles in danger of a chain collision. Security improvements when using such a system are revealed, showing that the transition from a scenario with no CCA support on vehicles to other implementing full CCA capabilities on cars will at first yield some difficulties which must be thoroughly evaluated.
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