3 papers
eess.SP2026
Performance Analysis of HAPS-RIS-Assisted MIMO Systems Under Phase-Dependent Amplitude Response Using Saddle Point Approximation
Tayfun Yilmaz, Haci Ilhan, Ali Gorcin +1
The integration of HAPS, RISs, and MIMO technologies is emerging as a promising paradigm for extending the coverage and reliability of future wireless communication networks. Howev…
eess.SP2025
Space-Time Coded RIS-Assisted Wireless Systems with Practical Reflection Models: Error Rate Analysis and Negative Moment-Based Optimization with Saddle Point Approximation
Tayfun Yilmaz, Haci Ilhan, Ibrahim Hokelek
RIS-assisted communication has recently attracted significant attention for enhancing wireless performance in challenging environments, making accurate error analysis under practic…
eess.SP2025
Joint Phase Shift Optimization and Precoder Selection for RIS-Assisted 5G NR MIMO Systems
Osman Mert Yilmaz, Tayfun Yilmaz, Ali Gorcin +3
By intelligently reconfiguring wireless propagation environment, reconfigurable intelligent surfaces (RISs) can enhance signal quality, suppress interference, and improve channel c…