Broadband Local Loops for High-Speed Access
1st Edition
Published on 1. January 2002
454 pages
978-1-58053-672-1 (ISBN)
Description
If you are a an engineer working for a telecommunications carrier or Internet service provider, or a manufacturer or student interested in communication technology and digital communications, this comprehensive overview of broadband access technologies is essential reading for you. The book offers you an in-depth understanding of unbundling for voice and data services, and provides expert guidance on hardware considerations and critical communication protocols.
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Maurice Gagnaire
Broadband Local Loops for High-Speed Internet Access
Book
08/2003
Artech House Publishers
€104.18
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Content
- Broadband Local Loops for High-Speed Internet Access
- Contents vii
- Foreward xvii
- Preface xix
- Motivation xix
- Intended Audience and Objectives xx
- Acknowledgments xxi
- Introduction xxiii
- 1 Telecommunications Network Evolution 1
- 1.1 Introduction 1
- 1.2 The Internet and Its Access Modes 1
- 1.3 QoS Provisioning in Data Networks 6
- 1.4 IP-VPNs 16
- 1.5 Conclusion and Perspectives 18
- References 18
- Selected Bibliography 19
- 2 Existing Infrastructure and Dial-Up Modems 21
- 2.1 Introduction 21
- 2.2 Dial-Up Modems 22
- 2.3 Access to the Telephone System 31
- 2.4 Leased Lines and Basic Access to Narrowband ISDN 33
- 2.5 V5 Interface and Unbundling 40
- 2.6 Digital Loop Carrier and Carrier Serving Area 41
- 2.7 Dial-Up Modems and Erlang's Formula 43
- 2.8 Conclusion and Perspective 44
- References 44
- Selected Bibliography 44
- 3 Unbundling Characteristics and Alternative Technologies 45
- 3.1 Introduction 45
- 3.2 The Interconnection Concept 46
- 3.3 The Unbundling Concept 49
- 3.4 The "Churn" Problem 56
- 3.5 Colocation Status in Europe and in North America 58
- 3.6 Alternative Technologies for the Local Loop 60
- 3.7 Cable Networks 63
- 3.8 PLC 75
- 3.9 Conclusion and Perspectives 76
- References 77
- Selected Bibliography 77
- 4 Twisted Pair Electrical Characteristics 79
- 4.1 Introduction 79
- 4.2 Electrical Characteristics of a Copper Pair 80
- 4.3 Shannon's Capacity of a Twisted Copper Pair 86
- 4.4 Electrical Characteristics of a Subscriber Line 88
- 4.5 Impact of NEXT on Shannon's Capacity 100
- 4.6 Conclusion and Perspectives 101
- References 102
- Selected Bibliography 103
- 5 HDSL and Its Variants 105
- 5.1 Introduction 105
- 5.2 HDSL Modems 106
- 5.3 HDSL Framing 115
- 5.4 HDSL Variants 119
- 5.5 Conclusion and Perspectives 125
- References 125
- Selected Bibliography 126
- ADSL Physical Layer 127
- 6.1 Introduction 127
- 6.2 Reference Model 133
- 6.3 NEXT Predominance Under High Frequencies 136
- 6.4 Modulation Techniques 138
- 6.5 ADSL System Configuration 157
- 6.6 DMT-ADSL Modulator 158
- 6.7 Reed-Solomon Encoding 167
- 6.8 Interleaver 169
- 6.9 Convolutional Coder 171
- 6.10 DMT-ADSL Receiver 178
- 6.11 Line Initialization 186
- 6.12 Conclusion and Perspectives 189
- References 191
- Selected Bibliography 192
- 7 G.lite and VDSL 193
- 7.1 Introduction 193
- 7.2 G.lite 193
- 7.3 VDSL 203
- 7.4 Conclusion and Perspectives 224
- References 225
- 8 DSLAM and Home Network 227
- 8.1 Introduction 227
- 8.2 DSLAM 228
- 8.3 Home Networking 231
- 8.4 Conclusion and Perspectives 242
- References 243
- Selected Bibliography 243
- 9 Protocol Architecture 245
- 9.1 Introduction 245
- 9.2 Why the ATM Technique in the Local Loop? 245
- 9.3 Physical Layer ADSL Data Formatting 246
- 9.4 The PPP Protocol 252
- 9.5 NAS Servers and the RADIUS Protocol 256
- 9.6 The L2TP Protocol 258
- 9.7 ATM-Based ADSL Protocol Architectures 266
- 9.8 TCP Windowing in ADSL Access Systems 271
- 9.9 Conclusion and Perspectives 274
- References 274
- Selected Bibliography 274
- 10 Voice and Video over DSL 275
- 10.1 Introduction 275
- 10.2 VoDSL 276
- 10.3 Video over DSL 297
- 10.4 Conclusion and Perspectives 307
- References 308
- Selected Bibliography 309
- 11 Wireless Local Loop 311
- 11.1 Introduction 311
- 11.2 A Reminder on Radio Propagation 313
- 11.3 Narrowband WITL Systems 317
- 11.4 Broadband WITL Systems 328
- 11.5 Elements of WITL Network Planning 350
- 11.6 Conclusion and Perspectives 354
- References 355
- Selected Bibliography 356
- 12 Optical and EFM Access Networks 357
- 12.1 Introduction 357
- 12.2 Optical Access Systems 358
- 12.3 Ethernet Versus ATM in the Access 374
- 12.4 Conclusion and Perspectives 390
- References 391
- Selected Bibliography 392
- Acronyms 393
- About the Author 403
- Index 405
