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Cooperative vehicular systems are being developed to improve traffic safety and efficiency through the dynamic exchange of information between vehicles and between vehicles and infrastructure units. Different communication protocols and policies have been proposed in the literature with diverse objectives, normally taking into account network performance metrics only. This paper illustrates the need...
In this paper, we present a thorough characterization of the spatio-temporal communication graph of a large-scale real-world vehicle-based Delay Tolerant Network (DTN). Unlike previous studies which either use synthetic mobility traces or data from small networks (<; 50 nodes), our analysis is based on the mobility patterns of a large scale (~ 1200 nodes) real-world public transport network. In...
With the increasing safety requirements in automation management, an effective vehicle management system is becoming more and more necessary and urgent in all departments. Based on widely application of the advanced information technologies, a practicable system of vehicle dispatching and monitoring is designed for flight service in this paper. Firstly, the target of the system is presented; Secondly,...
This paper presents a new protocol and algorithms to manage vehicle emergency situation on highway. The focus is given on how to detect false alarm messages from the vehicles that are not in an effective radius from the accident of concern. This problem is investigated by using a new technique, referred to as Location Counter on Neighborhood Table. The technique facilitates the process of keeping...
Vehicular network became one of the most active and emerging fields of research during last decade. Its use in diversified applications (for example safe driving, congestion avoidance and even entertainment) will soon bring revolutionary changes in transportation system. However, researchers came with different solutions to support different applications of vehicular network. In this paper, we have...
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