3 papers
eess.SP2025
Low-Overhead CSI Prediction via Gaussian Process Regression
Syed Luqman Shah, Nurul Huda Mahmood, Italo Atzeni
Accurate channel state information (CSI) is critical for current and next-generation multi-antenna systems. Yet conventional pilot-based estimators incur prohibitive overhead as an…
eess.SP2025
Max-Min Fairness for Stacked Intelligent Metasurface-Assisted Multi-User MISO Systems
Nipuni Ginige, Prathapasinghe Dharmawansa, Arthur Sousa de Sena +3
Stacked intelligent metasurface (SIM) is an emerging technology that uses multiple reconfigurable surface layers to enable flexible wave-based beamforming. In this paper, we focus…
eess.SP2024
Beyond Diagonal RIS for Multi-Band Multi-Cell MIMO Networks: A Practical Frequency-Dependent Model and Performance Analysis
Arthur S. de Sena, Mehdi Rasti, Nurul H. Mahmood +1
This paper delves into the unexplored frequency-dependent characteristics of beyond diagonal reconfigurable intelligent surfaces (BD-RISs). A generalized practical frequency-depend…