[IEEE 2006 IEEE International Conference on Acoustics Speed and Signal Processing - Toulouse, France (14-19 May 2006)] 2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings - Optimal Spectrum Balancing in Multi-User xDSL Systems With On/Off Power LoadingVangorp, J.; Tsiaflakis, P.; Moonen, M.; Verlinden, J.; Van Acker, K. · 2006