Abstract
Due to high mobility of nodes in multi-hop Vehicular Ad hoc Networks (VANETs), choice of next hop forwarding node plays a vital role to improve the performance of routing protocol. In this paper, we have proposed a position-based routing protocol, that we call Projection based Directional Routing (P-DIR) protocol. In this protocol, a neighbor node with maximum potential gain (PG) is selected as a next hop node. The potential gain PG is estimated in terms of Link Duration (LD) between the source and next hop node, and Direction (DR) and Position metric (PN) of the next hop node towards the closest direction of the destination. We have simulated the proposed protocol in the MATLAB and results have been computed for link duration and position metric with the varying distance between one hop neighbor nodes.
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