Multi-stage energy detection Spectrum Sensing using group intelligence. - Muhammed Fahim; Mahmoud H. Ismail; Hazim Tawfik (ISCC, 2013)

Spectrum sensing via reconfigurable antennas: Is cooperation of secondary users indispensable? - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (WCNC, 2014)

Opportunistic Beamforming using Dumb Basis Patterns in Multiple Access Cognitive Channels. - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (CoRR, 2014)

An Innovative Cooperative Spectrum Sensing Algorithm with Non-ideal Feedback Channels and Delay Considerations. - Muhammed Fahim; Mahmoud H. Ismail; Hazim Tawfik (Wirel. Pers. Commun., 2014)

Opportunistic spectrum sharing using dumb basis patterns: The Line-of-Sight interference scenario. - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (ICNC, 2015)

Spectrum sensing via reconfigurable antennas: fundamental limits and potential gains. - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (Telecommun. Syst., 2016)

Random Aerial Beamforming for Underlay Cognitive Radio With Exposed Secondary Users. - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (IEEE Trans. Veh. Technol., 2016)

Opportunistic Beamforming Using Dumb Basis Patterns in Cognitive Multiple Access Channels. - Ahmed M. Alaa; Mahmoud H. Ismail; Hazim Tawfik (IEEE Trans. Veh. Technol., 2018)

LTE-WIFI Offloading With Realistic Attributes. - Ferial Hantera; Fadel Digham; Hazim Tawfik (WCNC, 2019)