42 citations · 200 across the 18 of their papers we have counts for
7 papers · 1 filter
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…
RIS-Aided Angular-Based Hybrid Beamforming Design in mmWave Massive MIMO Systems
Ibrahim Yildirim, Asil Koc, Ertugrul Basar +1
This paper proposes a reconfigurable intelligent surface (RIS)-aided and angular-based hybrid beamforming (AB-HBF) technique for the millimeter wave (mmWave) massive multiple-input…
Physical Channel Modeling for RIS-Empowered Wireless Networks in Sub-6 GHz Bands
Fatih Kilinc, Ibrahim Yildirim, Ertugrul Basar
Reconfigurable intelligent surface (RIS)-assisted communications is one of the promising candidates for next generation wireless networks by controlling the propagation environment…
Index Modulation Based Coordinate Interleaved Orthogonal Design for Secure Communications
Burak Ozpoyraz, Ibrahim Yildirim, Ertugrul Basar
In this paper, we propose a physical layer security scheme that exploits a novel index modulation (IM) technique for coordinate interleaved orthogonal designs (CIOD). Utilizing the…
Hybrid RIS-Empowered Reflection and Decode-and-Forward Relaying for Coverage Extension
Ibrahim Yildirim, Fatih Kilinc, Ertugrul Basar +1
In this letter, we introduce two hybrid transmission schemes combining a passive reconfigurable intelligent surface (RIS) with decode-and-forward relaying in a synergistic manner.…
Reconfigurable Intelligent Surfaces for Future Wireless Networks: A Channel Modeling Perspective
E. Basar, I. Yildirim
While the researchers have set their sights on future wireless networks of 2030, communications through reconfigurable intelligent surfaces (RISs) appears as one of the potential e…
Modeling and Analysis of Reconfigurable Intelligent Surfaces for Indoor and Outdoor Applications in Future Wireless Networks
I. Yildirim, A. Uyrus, E. Basar
Reconfigurable intelligent surface (RIS)-empowered communication is one of the promising 6G technologies that allows the conversion of the wireless channel into an intelligent tran…