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In this paper, the authors present path loss model for VANETs and simulate three routing protocols; Destination Sequenced Distance Vector (DSDV), Optimized Link State Routing (OLSR) and Dynamic MANET On-demand (DYMO) to evaluate and compare their performance using NS-2. The main contribution of this paper is enhancement of existing techniques to achieve high efficiency of the underlying networks. After extensive simulations in NS-2, they conclude that DSDV best performs with 802.11p while DYMO gives outstanding performance with 802.11.
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