تصفح Computer Science & Engineering حسب المؤلف "Refaey, Ahmed"
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PLS Performance Analysis of a Hybrid NOMA-OMA based IoT System with Mobile Sensors
Chamkhia, Hela; Erbad, Aiman; Al-Ali, Abdullah; Mohamed, Amr; Refaey, Ahmed; Guizani, Mohsen... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)With the advent of Internet of Things (IoT) systems, privacy and integrity of messages are becoming critical issues and are threatened, especially with mobile sensors. The broadcast nature of wireless communications increase ... -
Security Performance Analysis of a Health System using Hybrid NOMA-OMA based IoT System
Chamkhia, Hela; Erbad, Aiman; Al-Ali, Abdullah; Mohamed, Amr; Refaey, Ahmed; Guizani, Mohsen... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Internet of Things (IoT) systems have been playing a significant role in improving the quality of various applications and services. With the expansion increase of loT devices and users, different Multiple Access (MA) ...