[IEEE ICASSP 2008 - 2008 IEEE International Conference on Acoustics, Speech and Signal Processing - Las Vegas, NV, USA (2008.03.31-2008.04.4)] 2008 IEEE International Conference on Acoustics, Speech and Signal Processing - Per-tone margin optimization in multi-carrier communication systemsJagannathan, Sumanth; Chan Soo Hwang, ; Cioffi, John M. · 2008