6 papers
Parametric Channel Estimation and Design for Active-RIS-Assisted Communications
Md. Shahriar Sadid, Ali A. Nasir, Saad Al-Ahmadi +1
Reconfigurable Intelligent Surface (RIS) technology has emerged as a key enabler for future wireless communications. However, its potential is constrained by the difficulty of acqu…
Stochastic Decision-Making Framework for Human-Robot Collaboration in Industrial Applications
Muhammad Adel Yusuf, Ali Nasir, Zeeshan Hameed Khan
Collaborative robots, or cobots, are increasingly integrated into various industrial and service settings to work efficiently and safely alongside humans. However, for effective hu…
Throughput Optimization in UAV-Mounted RIS under Jittering and Imperfect CSI via DRL
Anas K. Saeed, Mahmoud M. Salim, Ali Arshad Nasir +1
Reconfigurable intelligent surfaces (RISs) mounted on unmanned aerial vehicles (UAVs) can reshape wireless propagation on-demand. However, their performance is sensitive to UAV jit…
STAR-RIS-Aided Secure Communications:Analytical Insights and Performance Comparison
Taissir Y. Elganimi, Mahmoud Aldababsa, Ali A. Nasir +1
Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a promising technology for enabling full-space signal manipulation and en…
Effective Capacity Analysis of Joint Near and Far-Field Communication in 6G URLLC Networks
Humera Hameed, Waqas Aman, Muhammad Mahboob Ur Rahman +1
The emergence of 6G networks enables simultaneous near-field and far-field communications through extremely large antenna arrays and high carrier frequencies. While these regimes e…
Positioning Using LEO Satellite Communication Signals Under Orbital Errors
Jie Ma, Pinjun Zheng, Xing Liu +3
Low Earth orbit (LEO) satellites offer a promising alternative to global navigation satellite systems for precise positioning; however, their relatively low altitudes make them mor…