collaborators

7 papers

eess.SP2025

Deep Reinforcement Learning for EH-Enabled Cognitive-IoT Under Jamming Attacks

Nadia Abdolkhani, Nada Abdel Khalek, Walaa Hamouda

In the evolving landscape of the Internet of Things (IoT), integrating cognitive radio (CR) has become a practical solution to address the challenge of spectrum scarcity, leading t…

eess.SP2025

Deep Reinforcement Learning for Joint Time and Power Management in SWIPT-EH CIoT

Nadia Abdolkhani, Nada Abdel Khalek, Walaa Hamouda +1

This letter presents a novel deep reinforcement learning (DRL) approach for joint time allocation and power control in a cognitive Internet of Things (CIoT) system with simultaneou…

eess.SP2025

Cooperative Caching Towards Efficient Spectrum Utilization in Cognitive-IoT Networks

Nadia Abdolkhani, Walaa Hamouda

In cognitive Internet of Things (CIoT) networks, efficient spectrum sharing is essential to address increasing wireless demands. This paper presents a novel deep reinforcement lear…

eess.SP2025

Federated Learning-based MARL for Strengthening Physical-Layer Security in B5G Networks

Deemah H. Tashman, Soumaya Cherkaoui, Walaa Hamouda

This paper explores the application of a federated learning-based multi-agent reinforcement learning (MARL) strategy to enhance physical-layer security (PLS) in a multi-cellular ne…

cs.ET2025

Maximizing Reliability in Overlay Radio Networks with Time Switching and Power Splitting Energy Harvesting

Deemah H. Tashman, Soumaya Cherkaoui, Walaa Hamouda

Cognitive radio networks (CRNs) are acknowledged for their ability to tackle the issue of spectrum under-utilization. In the realm of CRNs, this paper investigates the energy effic…

cs.ET2025

Optimizing Cognitive Networks: Reinforcement Learning Meets Energy Harvesting Over Cascaded Channels

Deemah H. Tashman, Soumaya Cherkaoui, Walaa Hamouda

This paper presents a reinforcement learning (RL) based approach to improve the physical layer security (PLS) of an underlay cognitive radio network (CRN) over cascaded channels. T…