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A Global Mobility Management Scheme for Reducing Overall Handover Latency in IP based VANETs

Author(s): Muhammad Nawaz Khan | Ishtiaq Wahid | Gulzar Mehmood

Journal: International Journal of Ad Hoc, Sensor & Ubiquitous Computing
ISSN 0976-2205

Volume: 3;
Issue: 1;
Start page: 11;
Date: 2012;
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Keywords: VANETs | mobility management | access points | mobile IP | HMIPv6 | HNIPv6 | Latency | DAD process RSSI value | CoA | nAR.

In VANETs, Mobility Management is a challenging task because of the fast mobility of the vehicles and small coverage range of 802.11 Access Points (APs). This results in frequent handoffs as vehicles moveacross a series of adjacent access points. Due to which, the overall throughput reduces and hence results in the interruption of many established connections. Mobility in VANETs is supported by Mobile IPv6 (MIPv6). Greater latency, triangular routing and packet loss are some of the main issues in MIPv6. In this paper we have proposed a handover scheme based on HMIPv6 and FMIPv6 that will ultimately results in the reduction 802.11 handoff latency by eliminating the DAD process and address other related issues that arise when applied to vehicular network.
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