DSL : Simulation Techniques and Standards Development for Digital Subscriber Lines
The only book on the market that deals with ADSL technologies at  this level, Digital Subscriber Lines: Toward, Above, and Beyond ADSL is  ideal for computing professionals who are looking for new high-speed  communications technology, who must understand the dynamics of ADSL  communications in order to create compliant applications, or who simply  want to better understand this new wave of technology.  - Includes  calculation examples for all signal environments- Covers ADSL and  a multitude of other xDSL technologies- Compares and contrasts  ADSL to current MODEM-based technologies