Abstract:This paper addresses the issue of equalization of highspeed data-communications systems (e.g. Digital Subscriber Line) under dynamic channel conditions, where the modulation format is Quadrature Amplitude Modulation (QAM). In particular, the focus is on systems that use a combination of Forward Error Correction and Tomlinson-Harashima Precoding to achieve the necessary performance. Previous work by the authors using Pulse Amplitude Modulation (PAM) has shown that such systems operating with a fixed precoder wi… Show more
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