Wireless Networks - Nicopolitidis, P.

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Résumé :

Preface xv

1 Introduction to Wireless Networks 1

1.1 Evolution of Wireless Networks 2

1.1.1 Early Mobile Telephony 2

1.1.2 Analog Cellular Telephony 3

1.1.3 Digital Cellular Telephony 4

1.1.4 Cordless Phones 7

1.1.5 Wireless Data Systems

1.1.6 Fixed Wireless Links 11

1.1.7 Satellite Communication Systems 11

1.1.8 Third Generation Cellular Systems and Beyond 12

1.2 Challenges 12

1.2.1 Wireless Medium Unreliability 13

1.2.2 Spectrum Use 13

1.2.3 Power Management 13

1.2.4 Security 14

1.2.5 Location/Routing 14

1.2.6 Interfacing with Wired Networks 14

1.2.7 Health Concerns 14

1.3 Overview 15

1.3.1 Chapter 2: Wireless Communications Principles and Fundamentals 15

1.3.2 Chapter 3: First Generation (1G) Cellular Systems 16

1.3.3 Chapter 4: Second Generation (2G) Cellular Systems 16

1.3.4 Chapter 5: Third Generation (3G) Cellular Systems 17

1.3.5 Chapter 6: Future Trends: Fourth Generation (4G) Systems and Beyond 18

1.3.6 Chapter 7: Satellite Networks 19

1.3.7 Chapter 8: Fixed Wireless Access Systems 19

1.3.8 Chapter 9: Wireless Local Area Networks 20

1.3.9 Chapter 10: Wireless ATM and Ad Hoc Routing 21

1.3.10 Chapter 11: Personal Area Networks (PANs) 21

1.3.11 Chapter 12: Security Issues in Wireless Systems 22

1.3.12 Chapter 13: Simulation of Wireless Network Systems 22

1.3.13 Chapter 14: Economics of Wireless Networks 23

WWW Resources 23

References 23

2 Wireless Communications Principles and Fundamentals 25

2.1 Introduction 25

2.1.1 Scope of the Chapter 26

2.2 The Electromagnetic Spectrum 26

2.2.1 Transmission Bands and their Characteristics 27

2.2.2 Spectrum Regulation 30

2.3 Wireless Propagation Characteristics and Modeling 32

2.3.1 The Physics of Propagation 32

2.3.2 Wireless Propagation Modeling 36

2.3.3 Bit Error Rate (BER) Modeling of Wireless Channels 41

2.4 Analog and Digital Data Transmission 41

2.4.1 Voice Coding 43

2.5 Modulation Techniques for Wireless Systems 46

2.5.1 Analog Modulation 47

2.5.2 Digital Modulation 49

2.6 Multiple Access for Wireless Systems 54

2.6.1 Frequency Division Multiple Access (FDMA) 55

2.6.2 Time Division Multiple Access (TDMA) 56

2.6.3 Code Division Multiple Access (CDMA) 58

2.6.4 ALOHA-Carrier Sense Multiple Access (CSMA) 59

2.6.5 Polling Protocols 61

2.7 Performance Increasing Techniques for Wireless Networks 67

2.7.1 Diversity Techniques 67

2.7.2 Coding 71

2.7.3 Equalization 74

2.7.4 Power Control 75

2.7.5 Multisubcarrier Modulation 76

2.8 The Cellular Concept 77

2.8.1 Mobility Issues: Location and Handoff 80

2.9 The Ad Hoc and Semi Ad Hoc Concepts 81

2.9.1 Network Topology Determination 82

2.9.2 Connectivity Maintenance 83

2.9.3 Packet Routing 84

2.9.4 The Semi Ad Hoc Concept 84

2.10 Wireless Services: Circuit and Data (Packet) Mode 85

2.10.1 Circuit Switching 85

2.10.2 Packet Switching 86

2.11 Data Delivery Approaches 87

2.11.1 Pull and Hybrid Systems 88

2.11.2 Push Systems 88

2.11.3 The Adaptive Push System 89

2.12 Overview of Basic Techniques and Interactions Between the Different Network Layers 90

2.13 Summary 92

WWW Resources 92

References 93

Further Reading 94

3 First Generation (1G) Cellular Systems 95

3.1 Introduction 95

3.1.1 Analog Cellular Systems 96

3.1.2 Scope of the Chapter 97