Wireless Internet Telecommunications

This comprehensive book gives you a hands-on understanding of the techniques and architectures being used to provide voice and data services over wireless networks. It serves as a unified "how it works" guide to wireless Internet telecommunications, systematically addressing each of the technological components and how they fit together. You get a clear picture of protocols like RTP for multimedia transport and SIP for session control signaling, and see what's being done to tackle tough challenges in QoS control, mobility management, and security in the wireless environment. The book discusses at length the cutting-edge IP Multimedia Sub-System (IMS) of UMTS to illustrate how each of these crucial components can be successfully implemented in a real-world wireless IP system.

K. Daniel Wong is a research scientist at Telcordia technologies in New Jersey, and also an assistant professor at the Malaysia University of Science and Technology (MUST).

Preface

xi

Acknowledgments

xiii

CHAPTER 1 Introduction

1

(14)

1.1 An Exciting Future

1

(2)

1.2 Requirements

3

(3)

1.2.1 Technological Requirements

4

(2)

1.3 Preview

6

(2)

1.4 Themes and Principles

8

(3)

1.5 Scope

11

(1)

1.6 Summary

12

(1)

References

13

(2)

CHAPTER 2 The Internet

15

(20)

2.1 Short History

17

(1)

2.2 Routing

18

(5)

2.2.1 Addressing

19

(4)

2.2.2 Hierarchical Routing

23

(1)

2.3 Protocols

23

(3)

2.3.1 IP

24

(1)

2.3.2 TCP

24

(2)

2.4 Building the Internet

26

(4)

2.4.1 The Internet in Practice

26

(2)

2.4.2 Design Philosophy

28

(1)

2.4.3 Applications

28

(1)

2.4.4 New Requirements and Recent History

29

(1)

2.5 Further Reading and Summary

30

(1)

References

30

(1)

Appendix 2A The IP Header

30

(5)

2A.1 IETF Working Groups

32

(3)

CHAPTER 3 Wireless Networks

35

(20)

3.1 Short History

36

(3)

3.2 Types of Wireless Networks

39

(13)

3.2.1 Wireless Wide Area Network (WWAN): GSM

40

(6)

3.2.2 Wireless Local Area Network (WLAN): 802.11

46

(3)

3.2.3 Wireless Personal Area Network (WPAN): Bluetooth

49

(3)

3.3 Summary

52

(1)

References

52

(1)

Appendix 3A Brief Introduction to Aspects of the Wireless Physical Layer

53

(2)

CHAPTER 4 Multimedia over IP

55

(16)

4.1 Motivation

56

(3)

4.1.1 Efficient Digital Voice Coding

56

(1)

4.1.2 Support for Different Levels of Quality and Different Media

57

(1)

4.1.3 Network and Service Integration

57

(1)

4.1.4 Statistical Multiplexing

57

(1)

4.1.5 Assessment

58

(1)

4.2 Requirements

59

(4)

4.2.1 QoS and Transport Requirements

59

(1)

4.2.2 Coding Requirements

59

(1)

4.2.3 Other Network Elements

60

(3)

4.2.4 Signaling Requirements

63

(1)

4.3 Issues and Challenges

63

(1)

4.4 Transport Protocols

64

(4)

4.4.1 TCP

64

(1)

4.4.2 UDP

65

(1)

4.4.3 RTP

65

(3)

4.5 Wireless Multimedia over IP

68

(1)

4.6 Summary

69

(1)

References

69

(2)

CHAPTER 5 Session Initiation Protocol (SIP)

71

(20)

5.1 Requirements for Session Initiation

73

(1)

5.1.1 Basic Requirements and Characteristics

73

(1)

5.1.2 Additional Requirements

74

(1)

5.2 Fundamentals of SIP

74

(8)

5.2.1 Locating Other SIP Users

76

(4)

5.2.2 SIP Registration

80

(1)

5.2.3 Session Parameter Negotiation

81

(1)

5.2.4 SIP for Telephony and PSTN Interworking

81

(1)

5.3 Digging Deeper

82

(4)

5.3.1 Requests

83

(1)

5.3.2 Responses

83

(2)

5.3.3 More on SIP Proxies

85

(1)

5.4 SDP, Parameter, and QoS Negotiations

86

(1)

5.4.1 SDP Design Philosophy

86

(1)

5.4.2 Using SDP with SIP

86

(1)

5.5 SIP in Wireless Networks

87

(1)

5.6 Summary

87

(1)

References

88

(1)

Appendix 5A Notation

88

(3)

5A.1 ISUP Signaling

88

(3)

CHAPTER 6 Mobility Management

91

(28)

6.1 A Network-Level Solution: Mobile IP

92

(8)

6.1.1 The Problem Addressed

92

(1)

6.1.2 Mobile IP

92

(8)

6.2 Mobility Concepts

100

(5)

6.2.1 Location Management and Handoffs

100

(1)

6.2.2 Types of Mobility

101

(3)

6.2.3 Layer 2 Versus Layer 3 Mobility

104

(1)

6.3 Alternative IP Mobility Schemes

105

(4)

6.3.1 SIP-Based Mobility

106

(1)

6.3.2 Transport-Layer Approaches

107

(1)

6.3.3 Dynamic DNS

108

(1)

6.4 Micromobility and Fast Handoff

109

(7)

6.4.1 Hierarchical Mobile IP

110

(1)

6.4.2 Host-Based Routing Schemes

111

(2)

6.4.3 802.11 WLAN

113

(2)

6.4.4 GPRS

115

(1)

6.4.5 Other Fast Handoff Approaches

115

(1)

6.4.6 Reducing the Impact of Handoff Latency

116

(1)

6.5 Summary

116

(1)

References

117

(2)

CHAPTER 7 QoS

119

(24)

7.1 Introduction

119

(1)

7.2 IP QoS: Mechanisms

120

(11)

7.2.1 Introduction to IP QoS

120

(1)

7.2.2 Scope and Outline

121

(1)

7.2.3 Requirements

121

(1)

7.2.4 Resource Reservation

122

(1)

7.2.5 Admission Control

123

(2)

7.2.6 Packet Classification and Marking

125

(1)

7.2.7 Queuing Disciplines

125

(2)

7.2.8 Traffic Shaping

127

(2)

7.2.9 Policing

129

(1)

7.2.10 Routing Control and Traffic Engineering

130

(1)

7.3 IP QoS Frameworks

131

(4)

7.3.1 IntServ

132

(1)

7.3.2 DiffServ

133

(2)

7.4 QoS in Wireless Networks

135

(5)

7.4.1 WLAN QoS Support

135

(4)

7.4.2 QoS and Mobility

139

(1)

7.5 Summary

140

(1)

References

141

(2)

CHAPTER 8 Network Security

143

(20)

8.1 Introduction

143

(5)

8.1.1 Requirements

144

(2)

8.1.2 Solutions

146

(2)

8.2 IP Security

148

(4)

8.2.1 The Need for Security

148

(3)

8.2.2 IPsec

151

(1)

8.3 Security in Wireless Networks

152

(9)

8.3.1 WLAN Security

153

(1)

8.3.2 GSM Security

154

(3)

8.3.3 Security and Mobile IP

157

(4)

8.4 Summary

161

(1)

References

161

(2)

CHAPTER 9 IPv6

163

(18)

9.1 IPv6 Design Considerations

163

(2)

9.1.1 Shortcomings of IPv4

164

(1)

9.1.2 Other Desirable Features

165

(1)

9.2 IPv6 Feature Overview

165

(5)

9.2.1 Implications of Larger Address Space

166

(2)

9.2.2 Addressing

168

(2)

9.2.3 Coexistence of IPv4 and IPv6

170

(1)

9.3 IPv6 Selected Procedures

170

(5)

9.3.1 Header Processing

170

(1)

9.3.2 Address Autoconfiguration

171

(2)

9.3.3 Neighbor Discovery

173

(2)

9.4 IPv6 and Wireless

175

(4)

9.4.1 Mobile IPv6

175

(3)

9.4.2 Security Issues in MIPv6

178

(1)

9.5 Summary

179

(1)

References

179

(2)

CHAPTER 10 Services and Applications

181

(10)

10.1 IP Connectivity or More?

181

(2)

10.2 Middleware-Open Service Access

183

(2)

10.2.1 How OSA Works

184

(1)

10.3 Wireless Device Service-Enabling Technologies

185

(2)

10.4 Applications of the Future

187

(1)

10.4.1 Location-Based Services

188

(1)

10.4.2 Presence

188

(1)

10.5 Summary

188

(1)

References

189

(2)

CHAPTER 11 Evolution from GSM to UMTS

191

(22)

11.1 From GSM to GPRS

192

(8)

11.1.1 Overview

192

(1)

11.1.2 More Details

193

(3)

11.1.3 GPRS and Mobility

196

(2)

11.1.4 GPRS and QoS

198

(1)

11.1.5 GPRS and Security

199

(1)

11.1.6 GPRS and Wireless IP

200

(1)

11.2 Moving Towards 3G

200

(3)

11.3 UMTS

203

(9)

11.3.1 QoS

203

(4)

11.3.2 Security

207

(1)

11.3.3 Different Releases

208

(2)

11.3.4 Comparison with cdma2000 Development

210

(2)

11.4 Summary

212

(1)

References

212

(1)

CHAPTER 12 The IP Multimedia Subsystem (IMS)

213

(16)

12.1 Motivations and Requirements

213

(5)

12.1.1 Using SIP

215

(2)

12.1.2 Other Requirements

217

(1)

12.2 IMS Architecture

218

(3)

12.2.1 Relationship with GPRS

219

(1)

12.2.2 Network Elements

220

(1)

12.3 IMS Procedures

221

(6)

12.3.1 Registration

221

(2)

12.3.2 Basic Wireless-to-Wireless Call

223

(2)

12.3.3 Changes for Roaming Caller or Roaming Called Party

225

(1)

12.3.4 Changes for Wired Caller or Wired Called Party

225

(2)

12.4 Summary

227

(1)

References

228

(1)

CHAPTER 13 Future Possibilities

229

(10)

13.1 What Is 4G?

229

(2)

13.2 Technology Projections

231

(1)

13.3 A Complete Redesign or an Evolution?

231

(5)

13.3.1 The 4G Revolution Based on 802.11 WLAN

232

(1)

13.3.2 The 4G Evolution Based on Improvements to 3G

232

(1)

13.3.3 The 4G Revolution Based on New Wireless Technologies

233

(2)

13.3.4 The 4G Evolution and Revolution Based on Heterogeneous Network Integration

235

(1)

13.4 A Transformation of Wireless IP Devices

236

(1)

13.5 Summary and Conclusions

237

(1)

References

238

(1)

About the Author

239

(2)

Index

241

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Wireless Internet Telecommunications

Summary

Author Biography

Table of Contents

Supplemental Materials

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Summary

Author Biography

Table of Contents

Supplemental Materials

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