The objective of this chapter is to provide an overall discussion that will give an in-depth treatment of the basic principles, design, and achievable performance of DSL systems for multi-Mbps communication over the subscriber line, and for advanced LAN transmission.

Chapter Contents:

• 10.1 DSL System Technology
• 10.2 DMT Line Code for ADSL
• 10.3 DMT Scheme
• 10.4 The Benefits and Disadvantages of Using DMT
• 10.5 OFDM Encoder
• 10.6 Cap Line Code for ADSL
• 10.7 QAM Basic Equations
• 10.8 CAP Basic Equations
• 10.9 CAP Passband Filtering
• 10.9.1 Root Raised Cosine Pulse Shaping
• 10.9.2 Orthogonal Passband Filtering Providing Separation and Data Recovery
• 10.9.3 Inphase Passband Response
• 10.9.4 Quadrature Passband Response
• 10.10 CAP Transceiver Architectural Considerations
• 10.10.1 Transmitter Filtering
• 10.10.2 Receiver Adaptive Filtering
• 10.10.3 Echo Canceller/Equalization
• 10.10.4 Precoding
• 10.10.5 QAM Size
• 10.10.6 Carrier and Symbol Rate Synchronization
• 10.11 Comparing CAP and QAM
• 10.12 Observations
• 10.13 HDSL
• 10.13.1 Basic HDSL Characteristics
• 10.13.2 HDSL Applications
• 10.14 SDSL
• 10.15 SHDSL
• 10.16 RADSL
• 10.17 IDSL
• 10.18 CDSL
• 10.19 VDSL
• 10.20 Future of DSL Systems and Broadband Systems
• 10.21 XDSL Standards
• 10.22 XDSL Standards Compliance
• 10.22.1 ADSL
• 10.22.2 HDSL
• 10.22.3 VDSL
• 10.22.4 RADSL
• 10.22.5 ISDN
• 10.22.6 Wireless Channel
• 10.22.7 LAN
• 10.22.8 Others
• Summary
• Review Questions
• Problems

Inspec keywords: digital subscriber lines; local area networks

Other keywords: advanced LAN transmission; digital subscriber line systems

Subjects: Subscriber loops; Computer communications