Reliable and Efficient Data Dissemination in VANETs

C. Wu and T. Kato (Japan)


VANET, broadcast protocol, reliability, efficiency


Many of safety applications in Vehicular Ad hoc Networks (VANETs) are based on broadcast. Designing a broadcast protocol that satisfies VANET applications’ requirements is very crucial. In this paper, we propose a reliable and effi cient multi-hop broadcast routing protocol for VANET. The proposed protocol provides the strict reliability in various traffic conditions. This protocol also performs low over head by means of reducing rebroadcast redundancy in a high-density network environment. We show the perfor mance analysis of the proposed protocol by simulation with ns-2 in different conditions, and give the simulation results demonstrating effectiveness of the proposed protocol com pared with a simple flooding scheme.

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