A Unified Mobility Management Architecture for Interworked Heterogeneous Mobile Networks

...................................................................................................................v Publications Arising from the Thesis .................................................................... vii List of Figures and Tables .................................................................................... xiii Glossary of Acronyms and Abbreviations .......................................................... xvii 1 An Introduction to Interworking Heterogeneous Wireless Networks ..................1 1.1 Wireless Data Networks: An Overview .......................................................................1 1.1.1 Wireless Local Area Network (WLAN).................................................................................2 1.1.2 Wireless Metropolitan Area Network (WMAN)....................................................................3 1.1.3 Wireless Wide Area Network (WWAN) ................................................................................4 1.2 Interworking Trends and Issues....................................................................................5 1.3 Objectives .....................................................................................................................6 1.4 Approach ......................................................................................................................7 1.5 Contribution..................................................................................................................8 1.6 Outline of the Thesis ....................................................................................................8 1.7 Summary and Conclusions .........................................................................................10 2 Interworking of Heterogeneous Networks: Architectures, Issues, and Trends ..11 2.