Improving Roadside Unit Deployment in Vehicular Networks by Exploiting Genetic Algorithms

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Improving Roadside Unit Deployment in Vehicular Networks by Exploiting Genetic Algorithms

Vehicular networks make use of the Roadside Units (RSUs) to enhance the communication capabilities of the vehicles in order to forward control messages and/or to provide Internet access to vehicles, drivers and passengers. Unfortunately, within vehicular networks, the wireless signal propagation is mostly affected by buildings and other obstacles (e.g., urban fixtures), in particular when consi...

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Vehicular ad-hoc network (VANET) is an important component of intelligent transportation systems, in which vehicles are equipped with on-board computing and communication devices which enable vehicle-to-vehicle communication. Consequently, with regard to larger communication due to the greater number of vehicles, stability of connectivity would be a challenging problem. Clustering technique as ...

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Defense against Sybil attack in the initial deployment stage of vehicular ad hoc network based on roadside unit support

—In this paper, we propose two certificate mechanisms for preventing the Sybil attack in a vehicular ad hoc network (VANET): the timestamp series approach and the temporary certificate approach. We focus on an early-stage VANET when the number of smart vehicles is only a small fraction of the vehicles on the road and the only infrastructure components available are the roadside units (RSUs). Un...

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Data Delivery based on Mobile Roadside Unit and with QoS Guarantee for Vehicular Ad Hoc Networks

The abstract Data delivery in vehicular ad hoc networks (VANETs) has become one of the most challenging problems due to the rapid movement of vehicles and their bounded communication ranges. How to more efficiently transmit the sensing data about the region of interest to AP is discussed in this paper. Previous work hasn’t distinguished node types to forward data packet commonly, the delivery r...

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ژورنال

عنوان ژورنال: Applied Sciences

سال: 2018

ISSN: 2076-3417

DOI: 10.3390/app8010086