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Two quite different tools are normally used in the research of Vehicular Ad Hoc Networks (VANET). Simulators are practical and cost-efficient, but are not entirely accurate representations of the real life situation. Field operational tests (FOT) provide exactly the opposite characteristics. A wireless testbed is situated somewhere in between, but has not yet been applied in VANET research. In this...
Vehicular ad hoc network in a highway is composed of high speed vehicles or nodes which induce fast topology changes in their configuration. In order to solve the connectivity and scalability problems of VANETs, we introduce the architecture of a vehicular hybrid ad hoc network (VHANET). Using some routing protocol extensions, the VHANET allows ad hoc islands to be interconnected among each other...
Intervehicle communication is a key technique of intelligent transport systems. Ad hoc networking in the vehicular environment was investigated intensively. This paper proposes a new clustering technique for large multihop vehicular ad hoc networks. The cluster structure is determined by the geographic position of nodes and the priorities associated with the vehicle traffic information. Each cluster...
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