PAM-4 Eye-Opening Monitoring Techniques Using Gaussian Mixture Model. - Yosuke Iijima; Keigo Taya; Yasushi Yuminaka (ISMVL, 2020)

Statistical Waveform Evaluation Method for Adaptive PAM-4 Equalization. - Keigo Taya; Yasushi Yuminaka; Yosuke Iijama (FLAP, 2020)

PAM-4 Eye-Opening Monitor Technique Using Gaussian Mixture Model for Adaptive Equalization. - Yosuke Iijima; Keigo Taya; Yasushi Yuminaka (IEICE Trans. Inf. Syst., 2021)