United States Department of Transportation
i
Evaluation of Routing Protocols for Vehicular Ad hoc Networks (VANETs) in Connected Transportation Systems
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2018-02-01
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[PDF-785.86 KB]
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Abstract:Recognizing the fundamental role of information flow in future transportation applications, the research team investigated the quality and security of information flow in the connected vehicle (CV) environment. The research team identified key challenges and their potential solutions. Concerning information quality, the team conducted comparative analysis of two major enabling technologies for V2V (vehicle-to-vehicle) and V2I (vehicle-toinfrastructure) communication, namely LTE (Long-Term Evolution) and DSRC (dedicated short-range communication). Their technology standards, performance, and cost are analyzed. To facilitate the analysis, the team developed separate tools to simulate network information flow and estimate the deployment costs. Concerning information security, the team provided a critical review of potential attacks on CVs and limitations of existing DSRC standards to address these threats. The team developed a strategy based on game theory to tackle a wide range of potential attacks on CVs. Also identified were open issues that remain unsolved by existing technologies and security protocols.
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