Title :
High bit rate digital subscriber line echo cancellation
Author :
Chen, Walter Y. ; Dixon, James L. ; Waring, David L.
Author_Institution :
Bellcore, Morristown, NJ, USA
fDate :
8/1/1991 12:00:00 AM
Abstract :
The authors explore the issues of complexity, precision, and dynamic range and practical implementation issues such as nonlinearities in high bit rate digital subscriber line (HDSL) echo cancelers. The approach taken is to study these issues analytically using computer simulations, and then to verify simulation results with laboratory prototyping. One of the objectives was to determine whether HDSL echo cancellation will be practical and cost effective within the next several years, consistent with the desire to develop and deploy a repeaterless T1 capability by 1993. Thus, attention is given to practical design issues
Keywords :
digital communication systems; echo suppression; subscriber loops; transmission line theory; FIR filter; HDSL; computer simulations; echo cancelers; echo cancellation; high bit rate digital subscriber line; repeaterless T1; simulation results; Analytical models; Bit rate; Computational modeling; Computer simulation; Costs; DSL; Dynamic range; Echo cancellers; Repeaters; Virtual prototyping;
Journal_Title :
Selected Areas in Communications, IEEE Journal on
