Adaptive statistical loop filtering technique for fast and reliable polarity-DPLL synchronizers. - Ilias Panayiotopoulos; Phillip Constantinou (ICASSP, 2000)

Performance Improvement of Nonuniform Polarity-DPLL Symbol Synchronizers by Using Novel Adaptive Statistical Loop Filtering Technique. - Ilias Panayiotopoulos; Phillip Constantinou (ISCC, 2000)

Anti-hangup binary quantized DPLL technique for timing recovery in QAM symbol-rate sampled receivers. - Ilias Panayiotopoulos; Demosthenes G. Doumenis; Phillip Constantinou (IEEE Trans. Commun., 2001)