Fractional Tap-Spacing Equalizer and Consequences for Clock Recovery in Data ModemsGottfried Ungerboeck1976IEEE Transactions on Communications
Adaptive Maximum-Likelihood Receiver for Carrier-Modulated Data-Transmission SystemsGottfried Ungerboeck1974IEEE Transactions on Communications
Nonlinear Equalization of Binary Signals in Gaussian NoiseGottfried Ungerboeck1971IEEE Transactions on Communication Technology