Design and Performance Evaluation of a Proactive Micro Mobility Protocol for Mobile Networks

Design and Performance Evaluation of a Proactive Micro Mobility Protocol for Mobile Networks

Dhananjay Singh (Dongseo University, South Korea) and Hoon-Jae Lee (Dongseo University, Korea)
DOI: 10.4018/978-1-61520-761-9.ch017
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This chapter introduces the Proactive Micro Mobility (PMM) Protocol for the optimization of network load. We present a novel approach to design and analyze IP micro-mobility protocols. The cellular Micro Mobility Protocol provides passive connectivity in an intra domain. The PMM Protocol optimizes miss-routed packet loss in Cellular IP under handoff conditions and during time delay. A comparison is made between the PMM Protocol and the Cellular IP showing that they offer equivalent performance in terms of higher bit rates and optimum value. A mathematical analysis shows that the PMM Protocol performs better than the Cellular IP at 1 MHz clock speed and 128 kbps down link bit rate. The simulation shows that a short route updating time is required in order to guarantee accuracy in mobile unit tracking. The optimal rate of packet loss in the PMM Protocol in a Cellular IP are analyzes route update time. The results show that no miss-routed packets are found during handoff.
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Micro mobility protocols aim to improve the handoff delay and packet loss performance of Mobile IP (Yair A., Claudiu D., Hilsdale M., (2006)). Most micro mobility protocols expose to the home agent, and a single IP address for a mobile node (MN) as long as it remains within a particular foreign domain (Campbell, A. T. & Gomez-Castellanos, J. (2000)). The main losses in mobile communications are of two types: “wireless losses”, due to white Gaussian noise in the wireless channel; and “handoff losses”, due to the time delay in making a connection to new base station (BS). Handoff losses occur during the allocation of resources and packet re-transmission. These losses can be reduced by using an efficient routing protocol on the network layer, in order that a good handover technique minimizes the handoff delay When comparing existing routing protocols, their Mobile IP should be considered first as it provides roaming capability for mobile users in macro-level networks. Problems with conventional tunneling phenomena are faced in small cellular networks, where fast handoff environments can exist due to the high speed of mobile users; in addition mobile tracking consumes lots of signal (Campbell A.T., Gomez J., Kim, Chieh-yih Wan, Zoltán R. T., András G. Valkó. (2002)). To overcome the problem of Mobile IP for fast handoff networks, a new mobile communication technology known as “Micro Mobility” has evolved. Micro Mobility is a field where the domain is divided into pages. The domains can be large WLAN networks such as campuses, etc., and for the best results the domain should be made as large as possible. Micro Mobility Protocols (MMPs) put the responsibility of communication at the page level and Mobile IP operates on the pages so as to extend the scope of macro-level networks.

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