Wireless Local Danger Warning Using Inter-Vehicle Communications in Highway Scenarios

Emergency Electronic Brake Light (EEBL) is one of the most promising applications using Vehicular Ad-hoc NETwork (VANET) technologies to enhance the driving safety of automotive users. This paper is based on the previous work that authors develop a novel self-organized message dissemination scheme, namely Cluster-based Broadcast (CB), for the EEBL application. The proposed CB broadcast scheme transforms the EEBL message dissemination pattern from multi-hop broadcast forwarding to multiple single-hop broadcast clusters, which can offer higher reliability, lower channel usage and shorter message propagation delay in comparison with the Directional Flooding (DF).