4 papers
Spider RIS: Mobilizing Intelligent Surfaces for Enhanced Wireless Communications
Ibrahim Yildirim, Mobeen Mahmood, Ertugrul Basar +1
In this study, we introduce Spider RIS technology, which offers an innovative solution to the challenges encountered in movable antennas (MAs) and unmanned aerial vehicle (UAV)-ena…
UAV-Assisted Enhanced Coverage and Capacity in Dynamic MU-mMIMO IoT Systems: A Deep Reinforcement Learning Approach
MohammadMahdi Ghadaksaz, Mobeen Mahmood, Tho Le-Ngoc
This study focuses on a multi-user massive multiple-input multiple-output (MU-mMIMO) system by incorporating an unmanned aerial vehicle (UAV) as a decode-and-forward (DF) relay bet…
Multiple UAV-Assisted Cooperative DF Relaying in Multi-User Massive MIMO IoT Systems
Mobeen Mahmood, Yicheng Yuan, Tho Le-Ngoc
This work considers a multi-user massive multiple-input multiple-output (MU-mMIMO) Internet-of-Things (IoT) system, where multiple unmanned aerial vehicles (UAVs) operating as deco…
Adaptive Modulus RF Beamforming for Enhanced Self-Interference Suppression in Full-Duplex Massive MIMO Systems
Mobeen Mahmood, Yuanxing Zhang, Robert Morawski +1
This study employs a uniform rectangular array (URA) sub-connected hybrid beamforming (SC-HBF) architecture to provide a novel self-interference (SI) suppression scheme in a full-d…