Introducing software defined radio to 4G wireless: Necessity, advantage, and impediment. - Hassan Zamat; Carl R. Nassar (J. Commun. Networks, 2002)

Enabling a Practical Cognitive Radio. - Hassan Zamat; Balasubramaniam Natarajan (CrownCom, 2007)

Optimization of Sensing Receiver for Cognitive Radio Applications. - Hassan Zamat; Balasubramaniam Natarajan (EURASIP J. Adv. Signal Process., 2009)

Practical architecture of a broadband sensing receiver for use in cognitive radio. - Hassan Zamat; Balasubramaniam Natarajan (Phys. Commun., 2009)