Recent natural and man-made disasters such as Sandy (2012) and Fukushima nuclear power plant (2011) make efficient evacuation route planning and routing more important than ever. Conventional sign-based evacuation route and its information are limited to use in a life-threatening environment. In this paper, we first investigate a least travel time based shortest path approach to minimize the evacuation time in a Vehicular Ad hoc Network (VANET). Since the travel time changes in the presence of time-varying traffic congestion, frequent and timely updates of the shortest path during the evacuation period are essential. Thus, we also investigate an evacuation assistant VANET to efficiently update the shortest path on wheel by using Vehicle-to-Infrastructure (V2I) and Vehicle-to-Vehicle (V2V) communications. Then we propose evacuation assisting schemes, V2RSU and V2RSU+V2V. We also implement the shortest path based schemes to work in VANETs, Lowerbound and W/O_Update. We compare the performance of four schemes as a function of the number of congestions, sources, destinations, and vehicles and different network sizes. The simulation results indicate that the proposed schemes integrated with a VANET can reduce the evacuation time significantly.


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    Titel :

    Evacuation Assisting Strategies in Vehicular Ad Hoc Networks


    Beteiligte:
    Pu, Cong (Autor:in)


    Erscheinungsdatum :

    01.11.2018


    Format / Umfang :

    671425 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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