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V2V wireless communication protocol for rear-end collision avoidance on highways

By Fei Ye, Matthew Adams and Sumit Roy


Abstract — More than 23 % of annual vehicle accidents are rear-end collisions, which provides an important test-case for enhanced collision avoidance approaches based on v2v wireless communications. In this work, we propose and study the impact of a 802.11 based multi-hop MAC protocol that propagates an emergency warning message (EWM) down a platoon of cars on a highway. The design objective is to ensure reception of this message with stringent (low) delay constraints so as to provide drivers with requisite available maneuver time (AMT) to avoid rear-end collision. We provide realistic simulation studies of protocol performance within ns-2 environment for various topology (1 lane and 3 lanes) and background traffic scenarios, as well as different protocol parameter settings, to highlight the potential of this approach for effective collision avoidance or mitigation. I

Year: 2008
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