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This dissertation, Micro-mobility Management for Next-generation Wireless Network by Yingying, Chen, 陳穎穎, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled Micro-Mobility Management for Next- Generation Wireless Network Submitted by CHEN Yingying for the degree of Master of Philosophy at The University of Hong Kong in June 2004 Technical advances in mobile terminals and the desire of consumers to have ubiquitous access to distributed information have fueled the development of the wireless Internet, which consists of a core wired network and various wireless access networks with different topologies and capacities. To ensure continuous and seamless connection within this hybrid network, mobility management protocols are required to bridge the various network entities and mobile terminals. It is generally accepted that the mobility management infrastructure is split into macro-mobility and micro-mobility management. Macro-mobility deals with large-scale mobility support for mobile terminals roaming between different domains, whereas micro-mobility deals with small-scale mobility support for mobile terminals roaming within a single domain. Several micro-mobility protocols have been proposed. These protocols can be divided into two categories: HSR (host-specific routing) protocols and ABT (agent-based tunneling) protocols. In an HSR protocol, mobility agents maintain host-specific entries to each mobile node for routing. In an ABT protocol, packets delivery is based on tunneling between mobility agents. We consider both main categories, and conclude that ABT architecture is a more evolutionary and scalable solution than HSR architecture. We therefore investigate ABT protocols in order to improve latency performance in both location management and handoff management. We propose a protocol based on ABT architecture known as iDynamic Mobility Agents Protocol (DMAP). Our solution differs from most existing protocols, where mobile users are assigned one or more fixed regional mobility agents. In a hierarchical network architecture, DMAP selects and dynamically changes the mobility agent for each user, according to its mobility level and possible roaming range. We also present the results of our analysis to show the optimized performance of DMAP. Number of Words: 303 Signed ________________________________ ii DOI: 10.5353/th_b2914821 Subjects: Wireless communication systemsMobile communication systems

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