Signal Processing for Vectored Multichannel VDSL
Itsik Bergel and Amir Leshem, Faculty of Engineering, Bar-Ilan University, Ramat-Gan, Israel
Abstract
Vectored DSL communication systems fall into the category of multiple input multiple output (MIMO) communication systems. As such, they can take advantage of the various MIMO techniques and the vast volume of MIMO research that has been published in recent years. Nevertheless, DSL systems have two unique features that significantly simplify the implementation of MIMO techniques, and hence gave rise to specific DSL research and specific DSL signal processing techniques. These characteristics are the very large coherence time and the diagonal dominance structure of the channel matrix. ...
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