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Implementation and Applications of DSL Technology




ISBN 9780429117664
Published October 26, 2007 by CRC Press
816 Pages

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Book Description

The digital subscriber line (DSL) industry is expanding rapidly and a technology once thought to be only transitional will soon clear $100 billion in total annual service revenue. From the world’s leading DSL experts, Implementation and Application of DSL Technologies builds upon the theory presented in Fundamentals of DSL Technologies to address issues fundamental to the success of DSL technology, including those that sustain DSL development, constraints, and challenges. This highly practical text peers into the blossoming sub-industries, all born of the DSL.

The editors lead with a discussion on splitter circuits and micro-filters and continue by addressing digital chipsets and the capabilities required to mix and match them with various other components. Since testing has become an industry in its own, several chapters describe the various types of testing necessary for service qualification, the evolution of testing and provisioning of services from plain old telephone service, loop qualification, and regulator’s decree of spectrum management. The book gives adequate coverage of DSM technology and describes networks for multiple applications in video, telephony, and Internet data areas and the associated network architectures. In addition, a section on security discusses packet transfer mechanism and voice-over DSL.

Offering a vast array of information not currently in the public domain, Implementation and Application of DSL Technologies provides a rigorous survey of DSL applications that illustrates the profound effect this technology is having on the communications industry. When combined with Fundamentals of DSL Technology, this is the most comprehensive and authoritative source of information on DSL.

Table of Contents

POTS PROTECTION AND VOICE-DATA MULTIPLEXING AND SEPARATION—
xDSL SPLITTERS 
Introduction to the Splitter Function 
Physical Location of the Splitter Function 
Low Pass Filter for POTS—Steady-State Behavior 
Low Pass Filter for POTS—Transient Behavior 
Low Pass Filter for ISDN 
Low Pass Combi-Filter for POTS and ISDN 
High Pass Filter 
Passive Design Techniques 
Active Design 
Conclusion 
DSL SPECIFIC INTEGRATED CIRCUITS: A SILICON PERSPECTIVE 
Fifteen Bumpy Years of DSL IC Developments 
A Preliminary Chipset Complexity Assessment from System
Specifications 
Chipset Implementations 
CO and CPE Products 
Conclusions 
Acknowledgments 
ANALOG FRONT-END 
Implementation 
DSL System Parameters That Drive
Analog Design 
Transmitter Noise Budget 
Receiver Noise Budget 
Digital-to-Analog Converter 
Filtering 
Line-Coupling Transformer 
Line Driver 
Hybrid 
Echo Cancellation 
Receive AmplifierProgrammable Gain
Amplifier (PGA) 
Analog-to-Digital Converter 
LOCAL LOOP SIMULATION AND SIMULATORS 
History and Background of Loop Simulators 
Applications of Wideband Loop Simulators 
Simulator Characteristics 
Derivation of Equations 
Different Types of Loop Simulators 
Nonelectrical Characteristics of the Simulator 
Recent Advances in Loop Simulator Design
and Specifications 
EVOLVING TEST AND PROVISIONING FROM POTS TO xDSL SERVICES
Line Test for POTS 
Use of POTS Testing for DSL Services 
Access Issues for DSL Testing 
Testing the Next Generation Network 
Introduction to Reflectometry Measurement 
DSL-Specific Line Test 
Summary 
DSL PLANNING RULES,
LINE QUALIFICATION,
AND DEPLOYMENT ISSUES 
Line Qualification for DSL Services 
Factors Affecting the Successful
Deployment of DSL Systems 
Conclusion 
SPECTRUM MANAGEMENT 
Common Features 
American Spectrum Management 
Spectrum Management in Europe 
Summary 
Appendix on Spectral Compatibility
Calculation 
DYNAMIC SPECTRUM MANAGEMENT
History of DSM 
Level of Coordination in DSM 
Information Necessary for DSM
Application of DSM to Other Systems 
DSL ARCHITECTURE: OPPORTUNITIES FOR DIFFERENTIATION AND EVOLUTION 
Early DSL Access Architectures 
Evolution of the Architecture and DSL
Delivered Services 
Concluding Comments 
DSLAM ARCHITECTURE AND FUNCTIONALITY
Genesis of the DSLAM 
DSLAM Functionality 
DSLAM Architecture Considerations 
ATM DSLAMs 
IP DSLAMs 
DSLAM—Continuous Evolution 
OPERATIONS, ADMINISTRATION,
AND MAINTENANCE
OAM Concepts
General System Architecture
Layer Model
Controlling and Reporting OAM
SECURITY
Scope 
What Are We Worried About? 
The “Always-On” versus “Dial-Up”
Network Connection
High-Level Security Requirements
Currently Deployed Security Solutions
Coming Attractions
Sample Next-Generation DSL Security
Framework 
DATA PACKETS TRANSPORT OVER DSL
Overview 
Key Requirements for Transport of Data Packets
Functional Model of Packet Transport
VOICE OVER DSL: CVODSL,
VoATM, AND VoIP
VoDSL Reference Architecture
General Requirements for VoDSL
Lifeline Service
Channelized Voice over DSL
VoATM over DSL
VoIP over DSL
BONDED DSL
ATM-Based Bonding
Ethernet-Based Bonding
MULTI-LINE MIMO DSL SYSTEM ARCHITECTURES
The Challenges of Crosstalk for Single-Line
and Multiline Systems 
FEXT Mitigation Architectures
Point-to-Multipoint Architectures
Performance
Conclusions
DSL STANDARDIZATION
The DSL Standards Organizations
Symmetric DSL
ADSL 
VDSL
Handshake
Annex: History of Standardization
Acronyms 

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