ABSTRACT I
摘 要 II
誌謝 III
LIST OF FIGURES VI
LIST OF TABLES IX
CHAPTER I 1
INTRODUCTION 1
1.1Motivation 1
1.2 Literature Survey 2
1.3 Main Idea 4
1.4GSM History 4
1.5 Thesis Overview 6
CHAPTER II 8
TECHNICAL BACKGROUND 8
2.1 GSM System 8
2.1.1 Architecture of the GSM System 9
2.1.2 Mobile Station (MS) 11
2.1.3 Base Station System (BSS) 12
2.1.4 Switching System (SS) 13
2.1.5 Summary of the GSM Communication Theorem 15
2.1.5.1 Frequency Allocation 15
2.1.5.2 Multiple Accesses 17
2.2 GSM Positioning Methods 28
2.2.1 Cell Identification (Cell-ID) 28
2.2.2 Angle of Arrival (AOA) 29
2.2.3 Enhanced Observed Time Difference (E-OTD) 31
2.2.4 Time of Arrival (TOA) 32
2.2.5 Time Difference of Arrival (TDOA) 34
2.2.6 Timing Advance (TA) 35
2.2.7 Received Signal Strength (RSS) 38
2.3 Comparison of GSM positioning technologies 39
CHAPTER III 41
SYSTEM DESIGN AND IMPLEMENTATION 41
3.1 WAVECOM WMOD2B 41
3.2 Base Station Database 43
3.3 System Design 43
3.3.1 Coordinate Transformation 44
3.4 System Architecture 47
3.5 Data Processing 48
3.5.1 Received Data Format 48
3.5.2 Positioning Program 49
3.6 Positioning Algorithm 53
CHAPTER IV 56
EXPERIMENTS AND VERIFICATION 56
4.1 Experiment Setup 56
4.1.1 Experiment Problem 57
4.2 Propagation Model 59
4.3 Indoor Test 64
4.4 Discussion 69
4.4.1 Compared with Previous Investigation 70
CHAPTER V 74
CONCULSION 74
REFERENCES 77
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