تصفح حسب المؤلف "Chamkhia, Hela"
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3-D Stochastic Geometry-Based Modeling and Performance Analysis of Efficient Security Enhancement Scheme for IoT Systems
Chamkhia, Hela; Erbad, Aiman; Al-Ali, Abdulla Khalid; Mohamed, Amr; Refaey, Ahmed; Guizani, Mohsen... more authors ... less authors ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Internet of Things (IoT) systems are becoming core building blocks for different services and applications supporting every day's life. The heterogeneous nature of IoT devices and the complex use scenarios make it hard to ... -
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) ... -
Sub-channels selection schemes with interference management for underlay cognitive networks
Chamkhia, Hela; Hasna, Mazen O. ( IEEE , 2013 , Conference Paper)Cognitive Radio is a promising concept that offers solution to spectral crowding problem by introducing opportunistic usage of the unoccupied licensed frequency bands. Improving the network capacity and reliability of the ...