Guided Bysubmitted By

Guided bySubmitted by

Prof. H. R. VishwakarmaSujesh P. Lal

VIT University Vellore

Tamil Nadu, India.

ABSTRACT

AVehicular Ad-Hoc Network, orVANET, is a form ofMobile ad-hoc network, to provide communications among nearby vehicles and between vehicles and nearby fixed equipment, usually described asroadside equipment. InVANET, orIntelligent Vehicular Ad-Hoc Networking, defines an Intelligent way of using Vehicular Networking. InVANET integrates on multiple ad-hoc networking technologies such as WiFi IEEE 802.11 b/g, WiMAX IEEE 802.16, Bluetooth, IRA, ZigBee for easy, accurate, effective and simple communication between vehicles on dynamic mobility. The feasibility of VANET was justified, the City Section Mobility Model was appended in NS2, the network model of VANET was established, the simulation scene was compiled, the performances of DSDV, DSR, two classical routing protocols of MANET, and a novelrouting algorithm MUDOR, were simulated in VANET. Although there are many proposed solutions for routing in VANET, it is still unclear as to what specific characteristics VANET routing protocols should possess, since none of the proposed solutions achieves optimum performance in both urban and highway, as well as sparse and dense environment. To shed light on these issues, we analyze some of the most important QoS metrics in VANET.A vehicle in VANET is considered to be an intelligent mobile node capable of communicating with its neighbors and other vehicles in the network. For configuring the vehicle with a unique address, there is a need for addressreconfigurations depending on the mobility patterns, we have presented a centralizedaddressing scheme for VANET using DHCP (Dynamic HostConfiguration Protocol).By building up a P2P overlay network on top of VANET's physical infrastructure, we effectively integrated P2P network’s advantage on sustaining highly dynamic network into the design of VANET routing protocol. By deploying passive VANET routing algorithms with innovative P2P routing mechanisms, we propose a new kind of VANET routing protocol named Peer Computing based Ad hoc On Demand Vector (PAV). A detailed description of the P2P decentralized naming, route discovering, route querying and updating algorithm used in PAV is presented in this paper. The simulation results indicate that PAV has an improved routingperformance in comparison with the popularly used AODV protocol.

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