Abstract
We propose a universal single-radio multi-channel vehicle node structure (VNS) in NS-2 for VANET simulation. VNS can support different single-radio multi-channel MAC protocols, while in this paper we implement a split-phase mode MAC as channel coordination mechanism, with a three-way handshake as channel negotiation mechanism. Simulation results in sparse, dense and moving scenarios indicate that VNS is a preferable solution for simulation of VANET.
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