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The need to improve road traffic management is evident worldwide. Growing congestions on the roads along with a gradual increase of pollution and concern for improving traffic safety have prompted to explore the potential of the Intelligent Transportation Systems through numerous research projects funded by public entities and/or the automotive industry. However, due to various reasons, including...
The main goal of Vehicular Ad-Hoc NETworks (VANETs) is to improve safety, efficiency and comfort in everyday road travel. The communication quality in these networks is highly degraded when the number of vehicles is very large in a small geographic area or when vehicles do not cooperate in packet forwarding. Groups are here proposed to avoid these problems by decreasing the number of packets sent...
Vehicular networks are becoming more and more important in our society because of the great benefits that can be obtained from them. Most research contributions propose specific mechanisms where the presence of a Certification Authority is necessary, which implies a centralized system in charge of certification and revocation services. In our work we propose a more realistic view of what will be the...
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