Integrating Simple yet Robust Protocol Layers for Wireless Ad Hoc Intervehicle Communications

We present an approach to simulating ad hoc network protocols integrated with their intended application. We implement the protocol layers and the application using the Specification and Description Language (SDL). Then, we simulate the ad hoc network directly from the SDL model. Using the interface of the SDL software tool, we incorporate the mobility model for hosts described in trace files. We suggest applying mobile ad hoc networks to communicating vehicles in road traffic. As an example, we look at vehicles exchanging messages to detect traffic jams on highways. Simulations of this application in a realistic traffic scenario demonstrate the powerful effect and robustness of rather simple, distributed protocols communicating through a mobile ad hoc network.