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An Efficient Hand-off Mechanism in Micro-Domain  

Kim Eung do (광운대학교 전자통신공학과 네트워크컴퓨팅 연구실)
Kim Hwa sung (광운대학교 전자통신공학과 네트워크컴퓨팅 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.3A, 2005 , pp. 195-202 More about this Journal
Abstract
The third generation cellular system requires the seamless macro/micro mobility support. Mobile IP provides a simple and scalable macro mobility solution but lacks the support for fast handoff control in micro-domain. However, A lot of micro-mobility protocols have been proposed to complement the Mobile IP capability by providing the fast, seamless, and local handoff control. Cellular If also provides the seamless mobility support in limited geographical area. But semi-soft handoff mechanism of Cellular IP produces the packet loss and the duplication problem due to the difference of propagation delay between the new path and the old path. In this paper, we present an efficient handoff mechanism in micro-domain. The proposed handoff mechanism uses the SCD (Suitable Cross Delay) in order to minimize the packet loss and the duplication problem during the handoff. Also, the proposed mechanism is verified by the performance evaluation through the NS-2 Simulation.
Keywords
Micro-Mobility; Cellular IP; handoff; Suitable Cross Delay;
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