Analysis and design of spectrum sharing in cognitive femtocell networks. - Xiangwei Zhou; Hayder Al-Hraishawi; Yupeng Jia (Allerton, 2013)

Sum Rate Analysis of Cognitive Massive MIMO Systems with Underlay Spectrum Sharing. - Hayder Al-Hraishawi; Gayan Amarasuriya Aruma Baduge (GLOBECOM, 2016)

Secure Communication in Underlay Cognitive Massive MIMO Systems with Pilot Contamination. - Hayder Al-Hraishawi; Gayan Amarasuriya Aruma Baduge; Rafael F. Schaefer (GLOBECOM, 2017)

Artificial Noise-Aided Physical Layer Security in Underlay Cognitive Massive MIMO Systems with Pilot Contamination. - Hayder Al-Hraishawi; Gayan Amarasuriya Aruma Baduge; Rafael F. Schaefer (Entropy, 2017)

Wireless Energy Harvesting in Cognitive Massive MIMO Systems With Underlay Spectrum Sharing. - Hayder Al-Hraishawi; Gayan Amarasuriya Aruma Baduge (IEEE Wirel. Commun. Lett., 2017)

Carrier Aggregation in Multi-Beam High Throughput Satellite Systems. - Mirza Golam Kibria; Eva Lagunas; Nicola Maturo; Danilo Spano; Hayder Al-Hraishawi; Symeon Chatzinotas (GLOBECOM, 2019)

Multi-Cell Massive MIMO Uplink With Underlay Spectrum Sharing. - Hayder Al-Hraishawi; Gayan Amarasuriya Aruma Baduge; Hien Quoc Ngo; Erik G. Larsson (IEEE Trans. Cogn. Commun. Netw., 2019)

Traffic Simulator for Multibeam Satellite Communication Systems. - Hayder Al-Hraishawi; Eva Lagunas; Symeon Chatzinotas (ASMS/SPSC, 2020)

Dealing with Non-Uniform Demands in Flexible GEO Satellites: The Carrier Aggregation Perspective. - Eva Lagunas; Mirza Golam Kibria; Hayder Al-Hraishawi; Nicola Maturo; Symeon Chatzinotas (ASMS/SPSC, 2020)

Perceptive Packet Scheduling for Carrier Aggregation in Satellite Communication Systems. - Hayder Al-Hraishawi; Nicola Maturo; Eva Lagunas; Symeon Chatzinotas (ICC, 2020)

Carrier Aggregation in Satellite Communications: Impact and Performance Study. - Mirza Golam Kibria; Eva Lagunas; Nicola Maturo; Hayder Al-Hraishawi; Symeon Chatzinotas (IEEE Open J. Commun. Soc., 2020)

Reconfigurable Intelligent Surfaces for Smart Cities: Research Challenges and Opportunities. - Steven Kisseleff; Wallace A. Martins; Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (IEEE Open J. Commun. Soc., 2020)

Broadband Non-Geostationary Satellite Communication Systems: Research Challenges and Key Opportunities. - Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (ICC Workshops, 2021)

Exploiting Jamming Attacks for Energy Harvesting in Massive MIMO Systems. - Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (ICC, 2021)

Multi-Layer Space Information Networks: Access Design and Softwarization. - Hayder Al-Hraishawi; Mario Minardi; Houcine Chougrani; Oltjon Kodheli; Jesus Fabian Mendoza Montoya; Symeon Chatzinotas (IEEE Access, 2021)

Scheduling Design and Performance Analysis of Carrier Aggregation in Satellite Communication Systems. - Hayder Al-Hraishawi; Nicola Maturo; Eva Lagunas; Symeon Chatzinotas (IEEE Trans. Veh. Technol., 2021)

Terminal-Aware Multi-Connectivity Scheduler for Uplink Multi-Layer Non-Terrestrial Networks. - Michael N. Dazhi; Hayder Al-Hraishawi; Bhavani Shankar; Symeon Chatzinotas (GLOBECOM (Workshops), 2022)

Traffic-Aware Satellite Switch-off Technique for LEO Constellations. - Vaibhav Kumar Gupta; Hayder Al-Hraishawi; Eva Lagunas; Symeon Chatzinotas (GLOBECOM (Workshops), 2022)

Uplink Capacity Optimization for High Throughput Satellites using SDN and Multi-Orbital Dual Connectivity. - Michael N. Dazhi; Hayder Al-Hraishawi; M. R. Bhavani Shankar; Symeon Chatzinotas (ICC Workshops, 2022)

An Overview of Channel Models for NGSO Satellites. - Victor Monzon Baeza; Eva Lagunas; Hayder Al-Hraishawi; Symeon Chatzinotas (VTC Fall, 2022)

Joint Beam Hopping and Carrier Aggregation in High Throughput Multibeam Satellite Systems. - Mirza Golam Kibria; Hayder Al-Hraishawi; Eva Lagunas; Symeon Chatzinotas; Björn E. Ottersten (IEEE Access, 2022)

CVaR-based Robust Beamforming Framework for Massive MIMO LEO Satellite Communications. - Madyan Alsenwi; Eva Lagunas; Hayder Al-Hraishawi; Symeon Chatzinotas (GLOBECOM, 2023)

Multiple RIS-Assisted Cooperative NOMA with User Selection. - Mostafa Samy; Hayder Al-Hraishawi; Steven Kisseleff; Symeon Chatzinotas; Björn E. Ottersten (GLOBECOM, 2023)

Quantum Optimization Algorithm for LEO Satellite Communications based on Cell-Free Massive MIMO. - Hayder Al-Hraishawi; Junaid ur Rehman; Symeon Chatzinotas (ICC Workshops, 2023)

Quantum Approximate Optimization Algorithm for Knapsack Resource Allocation Problems in Communication Systems. - Junaid ur Rehman; Hayder Al-Hraishawi; Symeon Chatzinotas (ICC, 2023)

Performance of Joint Symbol Level Precoding and RIS Phase Shift Design in the Finite Block Length Regime with Constellation Rotation. - Progress Zivuku; Steven Kisseleff; Wallace A. Martins; Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2023)

Deep Learning-Based Device-Free Localization in Wireless Sensor Networks. - Osamah Ali Abdullah; Hayder Al-Hraishawi; Symeon Chatzinotas (WCNC, 2023)

A Survey on Nongeostationary Satellite Systems: The Communication Perspective. - Hayder Al-Hraishawi; Houcine Chougrani; Steven Kisseleff; Eva Lagunas; Symeon Chatzinotas (IEEE Commun. Surv. Tutorials, 2023)

Digital Twin for Non-Terrestrial Networks: Vision, Challenges, and Enabling Technologies. - Hayder Al-Hraishawi; Madyan Alsenwi; Junaid ur Rehman; Eva Lagunas; Symeon Chatzinotas (CoRR, 2023)

Satellite-based Quantum Key Distribution over Atmospheric Channels: Reviews and Research Challenges. - Hong-Fu Chou; Vu Nguyen Ha; Hayder Al-Hraishawi; Luis Manuel Garcés Socarrás; Jorge Luis González Rios; Juan Carlos Merlano Duncan; Symeon Chatzinotas (CoRR, 2023)

Energy Harvesting From Jamming Attacks in Multi-User Massive MIMO Networks. - Hayder Al-Hraishawi; Osamah Ali Abdullah; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Green Commun. Netw., 2023)

Energy-Efficient Service-Aware Multi-Connectivity Scheduler for Uplink Multi-Layer Non-Terrestrial Networks. - Michael N. Dazhi; Hayder Al-Hraishawi; M. R. Bhavani Shankar; Symeon Chatzinotas; Björn E. Ottersten (IEEE Trans. Green Commun. Netw., 2023)

Combining Time-Flexible GEO Satellite Payload With Precoding: The Cluster Hopping Approach. - Vaibhav Kumar Gupta; Vu Nguyen Ha; Eva Lagunas; Hayder Al-Hraishawi; Lin Chen 045; Symeon Chatzinotas (IEEE Trans. Veh. Technol., 2023)

STAR-RIS for Reliable Multi-User Networks: Outage and Diversity Analysis. - Mostafa Samy; Hayder Al-Hraishawi; Abuzar B. M. Adam; Konstantinos Ntontin; Symeon Chatzinotas; Björn E. Ottersten (PIMRC, 2024)

Enhancing Spectral and Energy Efficiency with Multi-Sector Beyond-Diagonal RIS. - Mostafa Samy; Abuzar B. M. Adam; Konstantinos Ntontin; Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (SPAWC, 2024)

Layered Model Stacking: Enhancing DDoS Detection Through Advanced Ensemble Machine Learning Techniques. - Nabeel Mahdy Haddad; Aqeel Sahi; Mohammed Diykh; Kaled Aljbur; Ali Kutfan; Shahab A. Abdulla; Hayder Al-Hraishawi (TENCON, 2024)

MARL-aided Spectral Efficiency Maximization in Multi-Tier NTN Operating Multi-Connectivity with Different Waveforms for PAYG Service. - Michael N. Dazhi; Hayder Al-Hraishawi; Bhavani Shankar; Symeon Chatzinotas (VTC Fall, 2024)

RIS-Empowered Relays for Cooperative NOMA. - Mostafa Samy; Hayder Al-Hraishawi; Konstantinos Ntontin; Symeon Chatzinotas; Björn E. Ottersten (WCNC, 2024)

Edge AI Empowered Physical Layer Security for 6G NTN: Potential Threats and Future Opportunities. - Hong-Fu Chou; Sourabh Solanki; Vu Nguyen Ha; Lin Chen 045; Sean Longyu Ma; Hayder Al-Hraishawi; Geoffrey Eappen; Symeon Chatzinotas (CoRR, 2024)

Characterizing and Utilizing the Interplay Between Quantum Technologies and Non-Terrestrial Networks. - Hayder Al-Hraishawi; Junaid ur Rehman; Mohsen Razavi; Symeon Chatzinotas (IEEE Open J. Commun. Soc., 2024)

On Estimating Time-Varying Pauli Noise. - Junaid ur Rehman; Hayder Al-Hraishawi; Trung Q. Duong; Symeon Chatzinotas; Hyundong Shin (IEEE Trans. Commun., 2024)

Outage Performance of Multiple Hybrid Active Relays and RISs-Assisted NOMA Networks. - Mostafa Samy; Hayder Al-Hraishawi; Symeon Chatzinotas; Björn E. Ottersten (IEEE Wirel. Commun. Lett., 2024)

Evolutionary Algorithms and Quantum Computing: Recent Advances, Opportunities, and Challenges. - Junaid ur Rehman; Muhammad Shohibul Ulum; Abdurrahman Wachid Shaffar; Amirul Adlil Hakim; Mujirin; Zaid Abdullah; Hayder Al-Hraishawi; Symeon Chatzinotas; Hyundong Shin (IEEE Access, 2025)

Reinforcement Learning-Driven Secrecy Energy Efficiency Maximization in RIS-Enabled Communication Systems. - Akram Y. Sarhan; Osamah Ali Abdullah; Hayder Al-Hraishawi; Faisal S. Alsubaei (IEEE Access, 2025)

Energy efficient LEO satellite communications: Traffic-aware payload switch-off techniques. - Vaibhav Kumar Gupta; Hayder Al-Hraishawi; Eva Lagunas; Symeon Chatzinotas (Comput. Commun., 2025)

Beyond Diagonal RIS-Aided Networks: Performance Analysis and Sectorization Tradeoff. - Mostafa Samy; Hayder Al-Hraishawi; Abuzar B. M. Adam; Symeon Chatzinotas; Björn E. Ottersten (IEEE Open J. Commun. Soc., 2025)

Digital Twin for Enhanced Resource Allocation in 6G Non-Terrestrial Networks. - Hayder Al-Hraishawi; Madyan Alsenwi; Junaid ur Rehman; Eva Lagunas; Symeon Chatzinotas (IEEE Commun. Mag., 2025)

Joint NTN Slicing and Admission Control for Infrastructure-as-a-Service: A Deep Learning Aided Multi-Objective Optimization. - Michael N. Dazhi; Hayder Al-Hraishawi; M. R. Bhavani Shankar; Symeon Chatzinotas; Joël Grotz (IEEE Trans. Cogn. Commun. Netw., 2025)

Massive RF Inter-Satellite Links for Massive Non-Terrestrial Networks. - Steven Kisseleff; Victor Monzon Baeza; Hayder Al-Hraishawi; Konstantinos Ntontin; Wallace A. Martins; Symeon Chatzinotas (IEEE Commun. Mag., 2025)