摘要 I Abstract II Acknowledge III Contents IV List of Figure VI List of Tables VII Chapter 1 Introduction 1 1.1 Introduction 1 1.2 Motivation 4 1.3 Outline 5 Chapter 2 Background & Related Work 6 2.1 GSM System Architecture 6 2.1.1 Mobility Management 8 2.1.2 Location update and Paging Mechanisms 8 2.1.3 Literature Research on Location Update and Paging 9 2.2 Introduction of Vehicular Ad-hoc Network (VANET) 10 2.2.1 Location Service Management Protocols 14 2.2.2 Region-Based Location Service Management Protocol (RLSMP) 15 2.2.3 Grid Location Service 17 2.3 Flooding-Based Protocol 18 2.4 Problem Description 19 2.4.1 Major Issues Location Service Management 19 2.4.1.1 Scalability 19 2.4.1.2 Locality awareness 20 Chapter 3 System Model and Propose Scheme 21 3.1 System Model 22 3.2 Initialization and Updating Information in LIP 24 3.3 Location Information Points Overlay Network 27 3.4 Local Query Retrieval 28 3.5 Global Query Retrieval 29 Chapter 4 Simulation and Discussions 31 4.1 Network Scenario 31 4.2 Simulation Results and Discussion 33 Chapter 5 Conclusion and Future Work 40 5.1 Conclusion 40 5.2 Future Work 41 Reference 42
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