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One key goal of Vehicular Ad-hoc Networks (VANETs) is to provide sufficient Quality-of-Service (QoS) for real-time safety applications. These applications facilitate wireless broadcast warning messages between neighboring vehicles to inform drivers on time about dangerous situations like accidents. The IEEE 1609.4 standard in DSRC defines a MAC layer implementation for multichannel operations in VANETs...
Traffic safety applications exploit vehicle-to-vehicle communication is an emerging and promising area within the intelligent transportation system (ITS) environment. This objective would be achieved essentially by the employ of efficient safety applications which should be able to wirelessly broadcast warning messages between neighboring vehicles in order to inform drivers about a dangerous situation;...
Cooperative driving and the associated need for vehicular communication motivate vehicular ad-hoc networks (VANETs). One major challenge is to provide for robust communication — in spite of highly dynamic topologies and the presence of shielding obstacles — without installing extra relay infrastructure. Traffic-density information and density estimation schemes are a valuable asset to approach this...
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