Performance of Routing Protocols Using Mobility Models in VANET

Abstract

The vehicular ad hoc network (VANET) is a wireless technology adopted by the research community to implement smart transportation applications. Due to the variation in the vehicular speed, topology in the VANET continuously changes that make a routing complex task. It is better to use the position-based routing protocol that is adaptive and mostly suitable for dynamically changing road environments. The objective of the paper is to analyze an impact of real mobility traces on position-based routing protocols using simulation. It is difficult to perform a simulation in the VANET due to the restricted movement of vehicles. Vehicular mobility plays a major role in the VANET. Realistic mobility traces such as intelligent driver model-intersection management (IDM-IM), IDM–lane changing (LC) and ManhattanGrid are generated using VANETMobiSim and Bonnmotion tool. These traces are applied to the intersection-based routing (IBR), greedy perimeter stateless routing (GPSR) and ant colony optimization-intersection-based routing (ACO-IBR). The impact of the mobility traces has been evaluated with parameters such as delay, throughput and successful delivery ratio (SDR). The result shows that the selection of proper mobility pattern is a key to achieve the realistic performance of the simulation. ACO-IBR minimizes delay and produces better successful delivery ratio and throughput for all real mobility patterns.