Modeling of transmission lines for digital subscriber lines testing

Digital subscriber lines such as ADSL, SHDSL and VDSL that operate over existing transmission lines are still on the top of telecommunication providerpsilas interest. Testing of these services is a part of development and educational centers that are interested in xDSL. This report is concerned with the transmission lines and their approximation through artificial transmission lines that represent a cost effective and simple transmission line model. The artificial transmission lines design, simulation and measurement results are described in this paper.