Abstract
Mobile networks can be formed in bus, train, aircrafts, satellites with a wide variety of on-board IP-enable devices and Network Mobility (NEMO) protocols are required to support uninterrupted services to ongoing sessions. Node mobility has a direct impact on the performance evaluation of various NEMO protocols. However, most of the analysis on mobility protocols used random waypoint mobility model which does not always represent real-world movement patterns in city streets. In this paper, we have used city section mobility model, a realistic street mobility model, to analyze the performance of the basic network-mobility protocol. We have used ns-2 simulation to compare the performance of NEMO using city section and random waypoint models. Results have been obtained for average throughput, packet drop probability, end-to-end delay, handoff frequency, and signaling overhead and show significant deviation between the mobility models. Our analysis thus can help in estimating the various performance metrics of mobile network deployed in city streets.
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