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In view of some shortcomings of existing broadcast algorithms for Vehicular Ad Hoc Networks (VANET), including ignoring the differences of transmission range among different vehicles, and disseminating emergency messages based only on vehicles in the one-way lane etc., a novel broadcast algorithm for VANET called Transmission Range Adaptive Broadcast (TRAB) is proposed in this paper. Considering the...
Intelligent transportation system (ITS) emerging technology is Vanet. There are basically two approaches of communication in vanet first between vehicle to vehicle and between vehicle to Roadside access point(RSAP). Each vehicle is connected to other by dedicated short range communications (DSRC). VANET also have some disadvantage such as broadcast storm problem. This problem should be solved to make...
VANETs (vehicular ad hoc networks) are highly mobile wireless ad hoc networks and will play an important role in public safety communications and commercial applications. Routing of data in VANETs is a challenging task due to rapidly changing topology and high speed mobility of vehicles. Conventional routing protocols in MANETs (mobile ad hoc networks) are unable to fully address the unique characteristics...
Most research results of location services have been focused on nodes whose motions follow patterns of random waypoints. For inter-vehicular communications that happen in metropolitan areas, moving cars obviously travel on restricted directions along streets and make frequent stops over intersections. In this paper, we present intersection location service (ILS), a distributed hashing-based location...
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