Emergency-Aware Irresponsible Message Forwarding for Vehicular Communications

Abstract

Message forwarding schemes allow vehicles to exchange messages for various purposes such as safety, entertainment and traffic efficiency in vehicular ad hoc networks (VANETs). This paper addresses the problem of message dissemination under emergency situations in the context of vehicle-to-vehicle communication along the roads. The paper proposes a new forwarding scheme for both hazardous and normal traffic messages. The proposed scheme improves the irresponsible forwarding probability in case of both emergency and non-emergency situations. Furthermore, the scheme uses adaptive broadcast range rather than using static one and thus more appropriate for practical applications. In our work Veins-SUMO-OMNeT simulation platform has been used. The simulation results show that the proposed forwarding algorithm outperforms the other dissemination techniques in terms of message losses and data dissemination success for normal messages and emergency messages.

Keywords

• ad-hoc networks
• algorithm
• emergency services
• simulation
• vehicles