The purpose of Intelligent Transport System (ITS) is mainly to increase the driving safety and efficiency. Data exchange is an important way to achieve the purpose. An on-demand data exchange is especially useful to assist a driver avoiding some emergent events. In order to handle the data exchange under dynamic situations, a rule-based data transfer protocol is proposed in this paper. A set of rules is designed according to the principle of request-forward-reply (RFR). That is, they are used to determine the timing of data broadcasting, forwarding, and replying automatically. Two typical situations are used to demonstrate the operation of rules. One is the front view of a driver occluded by other vehicles. The other is the traffic jam. The proposed protocol is flexible and extensible for unforeseen situations. Three simulation tools were also implemented to demonstrate the feasibility of the protocol and measure the network transmission under high density of vehicles. The simulation results show that the rule-based protocol is efficient on data exchange to increase the driving safety.


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    Title :

    A rule-based data transfer protocol for on-demand data exchange in vehicular environment


    Contributors:


    Publication date :

    2009


    Size :

    10 Seiten, 9 Bilder, 3 Tabellen, 8 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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