| 2026 | WCNC | Joint Beamforming and RIS Phase Optimization for Secure HAPS Downlink Communications. | Syed Muhammad Jameel, Syed Asad Ullah, Muhammad Sohaib J. Solaija, Aamir Mahmood, Mikael Gidlund, Syed Ali Hassan |
| 2026 | WCNC | Optimizing NOMA-Assisted Backscatter Systems with Imperfect CSI and SIC: A DRL-Driven Approach. | Wassi Haider Kabir, Hamza Irshad Bhatti, Ahraf Fatima, Syed Asad Ullah, Muhammad Sohaib J. Solaija, Syed Ali Hassan |
| 2025 | GLOBECOM | Towards Efficient CR-NOMA Backscatter IoT: A DRL-driven Approach Under Practical Non-Linear Energy Harvesting. | Muhammad Danish Khattak, Muhammad Ayaan Qasmi, Yousuf Rehan, Syed Asad Ullah, Kapal Dev, Haejoon Jung, Syed Ali Hassan |
| 2024 | GLOBECOM | Mobility-aware DRL strategy for Throughput Optimization in QoS-driven Opportunistic NOMA IoT Networks. | Neha Mazhar, Syed Asad Ullah, Haejoon Jung, Qurrat-Ul-Ain Nadeem, Syed Ali Hassan |
| 2024 | VTC | Enhancing Spectral Efficiency in IoT Networks using Deep Deterministic Policy Gradient and Opportunistic NOMA. | Neha Mazhar, Syed Asad Ullah, Haejoon Jung, Qurrat-Ul-Ain Nadeem, Syed Ali Hassan |
| 2024 | WCNC | Optimizing Resource Allocation in MEC-Enabled CR-NOMA-Assisted IoT Networks: A DRL-Driven Strategy. | Muhammad Taha Qaiser, Muhammad Sarmad Sohail, Minahil Shafqat, Syed Asad Ullah, Haejoon Jung, Syed Ali Hassan |
| 2023 | GLOBECOM | Impact of Imperfect CSI on Multiuser MIMO-OFDM-based IIoT Networks: A BER and Capacity Analysis. | Syed Asad Ullah, Shah Zeb, Syed Ali Hassan, Haejoon Jung, Kapal Dev |
| 2023 | GLOBECOM | DDPG-based Sum Rate Optimization for Opportunistic Backscatter NOMA Networks. | Hafiz Muhammad Ali Zeeshan, Syed Asad Ullah, Syed Ali Hassan, Zhiguo Ding, Haejoon Jung |
| 2022 | GLOBECOM | Deep RL-assisted Energy Harvesting in CR-NOMA Communications for NextG IoT Networks. | Syed Asad Ullah, Shah Zeb, Aamir Mahmood, Syed Ali Hassan, Mikael Gidlund |