Joint Beamforming and Scheduling in Cognitive Radio Networks. - Karama Hamdi; Wei Zhang 001; Khaled Ben Letaief (GLOBECOM, 2007)

Power Control in Cognitive Radio Systems Based on Spectrum Sensing Side Information. - Karama Hamdi; Wei Zhang 001; Khaled Ben Letaief (ICC, 2007)

Uplink Scheduling with QoS Provisioning for Cognitive Radio Systems. - Karama Hamdi; Wei Zhang 001; Khaled Ben Letaief (WCNC, 2007)

Low-Complexity Antenna Selection and user Scheduling in Cognitive MIMO Broadcast Systems. - Karama Hamdi; Wei Zhang 001; Khaled Ben Letaief (ICC, 2008)

Power, sensing time, and throughput tradeoffs in cognitive radio systems: a cross-layer approach. - Karama Hamdi; Khaled Ben Letaief (WCNC, 2009)

Opportunistic Spectrum Sharing in Cognitive MIMO Wireless Networks. - Karama Hamdi; Wei Zhang 001; Khaled Ben Letaief (IEEE Trans. Wirel. Commun., 2009)

Impact of Noise Power Uncertainty on Cooperative Spectrum Sensing in Cognitive Radio Systems. - Karama Hamdi; Xiang Nian Zeng; Ali Ghrayeb; Khaled Ben Letaief (GLOBECOM, 2010)

Spectrum sensing with active cognitive systems. - Shenghui Song 001; Karama Hamdi; Khaled Ben Letaief (IEEE Trans. Wirel. Commun., 2010)

Beamforming in Relay-Assisted Cognitive Radio Systems: A Convex Optimization Approach. - Karama Hamdi; Keyvan Zarifi; Khaled Ben Letaief; Ali Ghrayeb (ICC, 2011)

Priority-Based Zero-Forcing in Spectrum Sharing Cognitive Systems. - Karama Hamdi; Mazen O. Hasna; Ali Ghrayeb; Khaled Ben Letaief (IEEE Commun. Lett., 2013)

Opportunistic Spectrum Sharing in Relay-Assisted Cognitive Systems With Imperfect CSI. - Karama Hamdi; Mazen O. Hasna; Ali Ghrayeb; Khaled Ben Letaief (IEEE Trans. Veh. Technol., 2014)