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文件名称: Wireless Internet Teleocommunications (2005)
  所属分类: 3G/移动开发
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  文件大小: 6mb
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  上传时间: 2008-04-05
  提 供 者: os***
 详细说明: Wireless Internet Teleocommunications (2005)

Contents
Preface xi
Acknowledgments xiii
CHAPTER 1
Introduction 1
1.1 An Exciting Future 1
1.2 Requirements 3
1.2.1 Technological Requirements 4
1.3 Preview 6
1.4 Themes and Principles 8
1.5 Scope 11
1.6 Summary 12
References 13
CHAPTER 2
The Internet 15
2.1 Short History 17
2.2 Routing 18
2.2.1 Addressing 192.3 Protocols 23
2.3.1 IP 24
2.3.2 TCP 24
2.4 Building the Internet 26
2.4.1 The Internet in Practice 26
2.4.2 Design Philosophy 28
2.4.3 Applications 28
2.4.4 New Requirements and Recent History 29
2.5 Further Reading and Summary 30
References 30
2.5 Appendix 2A The IP Header 30
2A.1 IETF Working Groups 32
v

vi Contents
CHAPTER 3
Wireless Networks 35
3.1 Short History 36
3.2 Types of Wireless Networks 39
3.2.1 Wireless Wide Area Network (WWAN): GSM 40
3.2.2 Wireless Local Area Network (WLAN): 802.11 46
3.2.3 Wireless Personal Area Network (WPAN): Bluetooth 49
3.3 Summary 52
References 52
3.3 Appendix 3A Brief Introduction to Aspects of the Wireless
Physical Layer 53
CHAPTER 4
Multimedia over IP 55
4.1 Motivation 56
4.1.1 Efficient Digital Voice Coding 56
4.1.2 Support for Different Levels of Quality and Different Media 57
4.1.3 Network and Service Integration 57
4.1.4 Statistical Multiplexing 57
4.1.5 Assessment 58
4.2 Requirements 59
4.2.1 QoS and Transport Requirements 59
4.2.2 Coding Requirements 59
4.2.3 Other Network Elements 60
4.2.4 Signaling Requirements 63
4.3 Issues and Challenges 63
4.4 Transport Protocols 64
4.4.1 TCP 64
4.4.2 UDP 65
4.4.3 RTP 65
4.5 Wireless Multimedia over IP 68
4.6 Summary 69
References 69
CHAPTER 5
Session Initiation Protocol (SIP) 71
5.1 Requirements for Session Initiation 73
5.1.1 Basic Requirements and Characteristics 73
5.1.2 Additional Requirements 74
5.2 Fundamentals of SIP 74
5.2.1 Locating Other SIP Users 76
5.2.2 SIP Registration 80
5.2.3 Session Parameter Negotiation 81

Contents vii
5.2.4 SIP for Telephony and PSTN Interworking 81
5.3 Digging Deeper 82
5.3.1 Requests 83
5.3.2 Responses 83
5.3.3 More on SIP Proxies 85
5.4 SDP, Parameter, and QoS Negotiations 86
5.4.1 SDP Design Philosophy 86
5.4.2 Using SDP with SIP 86
5.5 SIP in Wireless Networks 87
5.6 Summary 87
References 88
5.6 Appendix 5A Notation 88
5A.1 ISUP Signaling 88
CHAPTER 6
Mobility Management 91
6.1 A Network-Level Solution: Mobile IP 92
6.1.1 The Problem Addressed 92
6.1.2 Mobile IP 92
6.2 Mobility Concepts 100
6.2.1 Location Management and Handoffs 100
6.2.2 Types of Mobility 101
6.2.3 Layer 2 Versus Layer 3 Mobility 104
6.3 Alternative IP Mobility Schemes 105
6.3.1 SIP-Based Mobility 106
6.3.2 Transport-Layer Approaches 107
6.3.3 Dynamic DNS 108
6.4 Micromobility and Fast Handoff 109
6.4.1 Hierarchical Mobile IP 110
6.4.2 Host-Based Routing Schemes 111
6.4.3 802.11 WLAN 113
6.4.4 GPRS 115
6.4.5 Other Fast Handoff Approaches 115
6.4.6 Reducing the Impact of Handoff Latency 116
6.5 Summary 116
References 117
CHAPTER 7
QoS 119
7.1 Introduction 119
7.2 IP QoS: Mechanisms 120
7.2.1 Introduction to IP QoS 120
7.2.2 Scope and Outline 121

viii Contents
7.2.3 Requirements 121
7.2.4 Resource Reservation 122
7.2.5 Admission Control 123
7.2.6 Packet Classification and Marking 125
7.2.7 Queuing Disciplines 125
7.2.8 Traffic Shaping 127
7.2.9 Policing 129
7.2.10 Routing Control and Traffic Engineering 130
7.3 IP QoS Frameworks 131
7.3.1 IntServ 132
7.3.2 DiffServ 133
7.4 QoS in Wireless Networks 135
7.4.1 WLAN QoS Support 135
7.4.2 QoS and Mobility 139
7.5 Summary 140
References 141
CHAPTER 8
Network Security 143
8.1 Introduction 143
8.1.1 Requirements 144
8.1.2 Solutions 146
8.2 IP Security 148
8.2.1 The Need for Security 148
8.2.2 IPsec 151
8.3 Security in Wireless Networks 152
8.3.1 WLAN Security 153
8.3.2 GSM Security 154
8.3.3 Security and Mobile IP 157
8.4 Summary 161
References 161
CHAPTER 9
IPv6 163
9.1 IPv6 Design Considerations 163
9.1.1 Shortcomings of IPv4 164
9.1.2 Other Desirable Features 165
9.2 IPv6 Feature Overview 165
9.2.1 Implications of Larger Address Space 166
9.2.2 Addressing 168
9.2.3 Coexistence of IPv4 and IPv6 170
9.3 IPv6 Selected Procedures 170
9.3.1 Header Processing 170

Contents ix
9.3.2 Address Autoconfiguration 171
9.3.3 Neighbor Discovery 173
9.4 IPv6 and Wireless 175
9.4.1 Mobile IPv6 175
9.4.2 Security Issues in MIPv6 178
9.5 Summary 179
References 179
CHAPTER 10
Services and Applications 181
10.1 IP Connectivity or More? 181
10.2 Middleware—Open Service Access 183
10.2.1 How OSA Works 184
10.3 Wireless Device Service–Enabling Technologies 185
10.4 Applications of the Future 187
10.4.1 Location-Based Services 188
10.4.2 Presence 188
10.5 Summary 188
10.5 References 189
CHAPTER 11
Evolution from GSM to UMTS 191
11.1 From GSM to GPRS 192
11.1.1 Overview 192
11.1.2 More Details 193
11.1.3 GPRS and Mobility 196
11.1.4 GPRS and QoS 198
11.1.5 GPRS and Security 199
11.1.6 GPRS and Wireless IP 200
11.2 Moving Towards 3G 200
11.3 UMTS 203
11.3.1 QoS 203
11.3.2 Security 207
11.3.3 Different Releases 208
11.3.4 Comparison with cdma2000 Development 210
11.4 Summary 212
11.4 References 212
CHAPTER 12
The IP Multimedia Subsystem (IMS) 213
12.1 Motivations and Requirements 213
12.1.1 Using SIP 215
12.1.2 Other Requirements 217

x Contents
12.2 IMS Architecture 218
12.2.1 Relationship with GPRS 219
12.2.2 Network Elements 220
12.3 IMS Procedures 221
12.3.1 Registration 221
12.3.2 Basic Wireless-to-Wireless Call 223
12.3.3 Changes for Roaming Caller or Roaming Called Party 225
12.3.4 Changes for Wired Caller or Wired Called Party 225
12.4 Summary 227
References 228
CHAPTER 13
Future Possibilities 229
13.1 What Is 4G? 229
13.2 Technology Projections 231
13.3 A Complete Redesign or an Evolution? 231
13.3.1 The 4G Revolution Based on 802.11 WLAN 232
13.3.2 The 4G Evolution Based on Improvements to 3G 232
13.3.3 The 4G Revolution Based on New Wireless Technologies 233
13.3.4 The 4G Evolution and Revolution Based on Heterogeneous
13.3.4 Network Integration 235
13.4 A Transformation of Wireless IP Devices 236
13.5 Summary and Conclusions 237
References 238
About the Author 239
Index 241 ...展开收缩
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