Karama Hamdi

According to our database, Karama Hamdi authored at least 11 papers between 2007 and 2014.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2014

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

2013

Priority-Based Zero-Forcing in Spectrum Sharing Cognitive Systems.

Karama Hamdi, Mazen O. Hasna, Ali Ghrayeb, Khaled Ben Letaief

IEEE Commun. Lett., 2013

2011

Beamforming in Relay-Assisted Cognitive Radio Systems: A Convex Optimization Approach.

Karama Hamdi, Keyvan Zarifi, Khaled Ben Letaief, Ali Ghrayeb

Proceedings of IEEE International Conference on Communications, 2011

2010

Spectrum sensing with active cognitive systems.

Shenghui Song, Karama Hamdi, Khaled Ben Letaief

IEEE Trans. Wirel. Commun., 2010

Impact of Noise Power Uncertainty on Cooperative Spectrum Sensing in Cognitive Radio Systems.

Karama Hamdi, Xiang Nian Zeng, Ali Ghrayeb, Khaled Ben Letaief

Proceedings of the Global Communications Conference, 2010

2009

Opportunistic Spectrum Sharing in Cognitive MIMO Wireless Networks.

Karama Hamdi, Wei Zhang, Khaled Ben Letaief

IEEE Trans. Wirel. Commun., 2009

Power, sensing time, and throughput tradeoffs in cognitive radio systems: a cross-layer approach.

Karama Hamdi, Khaled Ben Letaief

Proceedings of the 2009 IEEE Wireless Communications and Networking Conference, 2009

2008

Low-Complexity Antenna Selection and user Scheduling in Cognitive MIMO Broadcast Systems.

Karama Hamdi, Wei Zhang, Khaled Ben Letaief

Proceedings of IEEE International Conference on Communications, 2008

2007

Uplink Scheduling with QoS Provisioning for Cognitive Radio Systems.

Karama Hamdi, Wei Zhang, Khaled Ben Letaief

Proceedings of the IEEE Wireless Communications and Networking Conference, 2007

Power Control in Cognitive Radio Systems Based on Spectrum Sensing Side Information.

Karama Hamdi, Wei Zhang, Khaled Ben Letaief

Proceedings of IEEE International Conference on Communications, 2007

Joint Beamforming and Scheduling in Cognitive Radio Networks.

Karama Hamdi, Wei Zhang, Khaled Ben Letaief

Proceedings of the Global Communications Conference, 2007