Inter-module Communications for Rear-end Collision Avoidance Messaging in an IEEE 802.11p Interface

Computer simulation is the preferred approach when investigating Vehicular Ad-hoc Networks (VANET). During the last years different platforms have emerged, regarding the evaluation of next-generation autonomous vehicular mobility and car-to-car wireless connectivity. NCTUns (now Estinet) is a relevant networking platform that provides support for IEEE 802.11p-based connectivity between vehicles. This paper describes the implementation of an inter-module communications’ scheme in NCTUns designed to allow reciprocal message transmission and processing between a mobility and a messaging agent in vehicles supporting Cooperative chain Collision Avoidance (CcCA) for improving safety even under rear-end collision risky circumstances. Contributions hold in the bidirectional inter-module channel that features the management of mobility in these environments according to the communication’s protocol that implements the CcCA application, and viceversa. As an additional characteristic of the implementation, a Nakagami-m channel model is implemented to recreate intervehicular communications more realistically.