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Recent studies have demonstrated that the performance of routing protocols in vehicular networks can be improved by using dynamic road traffic information to select the most appropriate forwarding paths or nodes. However, most of the techniques to estimate such traffic conditions imply an important communications overhead that compromises their future viability. In this context, this paper introduces...
Inquiring traffic information is an important issue in vehicular ad hoc networks. This paper proposes an aggregating data dissemination algorithm in vehicular ad hoc networks. This algorithm can offer the various degrees of traffic information when users propose inquiry for different regional ranges. The user often needs to obtain the detailed data from the small area or the summary data for the large...
Vehicle density is one of the main metrics used for assessing the road traffic condition. A high vehicle density usually indicates that the traffic is congested. Currently, most of the vehicle density estimation approaches are designed for the infrastructure-based traffic information systems. These approaches require detecting devices such as inductive loop detectors or traffic surveillance cameras...
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