Centralized Dynamic Channel Reservation Mechanism via SDN for CR Networks Spectrum Allocation. - Nehal M. El Azaly; Ehab Farouk Badran; Hassan Nadir Kheirallah; Hania H. Farag (IEEE Access, 2020)

Group Security Authentication and Key Agreement Protocol Built by Elliptic Curve Diffie Hellman Key Exchange for LTE Military Grade Communication. - Karim H. Moussa; Ahmed H. El-Sakka; Shawky Shaaban; Hassan Nadir Kheirallah (IEEE Access, 2022)

Performance Analysis in the Presence of Channel Failure in Cognitive Radio Networks With Dynamic Spectrum Reservation. - Mai M. Abdelgalel; Hassan Nadir Kheirallah; Mohamed R. M. Rizk; Nehal M. El Azaly (IEEE Access, 2024)