5 papers
Energy-Efficient Designs for SIM-Based Broadcast MIMO Systems
Nemanja Stefan PeroviÄ, Eduard E. Bahingayi, Le-Nam Tran
Stacked intelligent metasurface (SIM), which consists of multiple layers of intelligent metasurfaces, is emerging as a promising solution for future wireless communication systems.…
A Refined Alternating Optimization for Sum Rate Maximization in SIM-Aided Multiuser MISO Systems
Eduard E. Bahingayi, Shuying Lin, Murat Uysal +2
Stacked intelligent metasurfaces (SIMs) have emerged as a disruptive technology for future wireless networks. To investigate their capabilities, we study the sum rate maximization…
Scaling Achievable Rates in SIM-aided MIMO Systems with Metasurface Layers: A Hybrid Optimization Framework
Eduard E. Bahingayi, Nemanja Stefan PeroviÄ, Le-Nam Tran
We investigate the achievable rate (AR) of a stacked intelligent metasurface (SIM)-aided holographic multiple-input multiple-output (HMIMO) system by jointly optimizing the SIM pha…
RIS-Aided Monitoring With Cooperative Jamming: Design and Performance Analysis
Shuying Lin, Yulong Zou, Zhiyang Li +3
We investigate a reconfigurable intelligent surface (RIS) aided wireless surveillance system. In this system, a monitor not only receives signal from suspicious transmitter via a R…
On the Joint Beamforming Design for Large-scale Downlink RIS-assisted Multiuser MIMO Systems
Eduard E. Bahingayi, Nemanja Stefan PeroviÄ, Le-Nam Tran
Reconfigurable intelligent surfaces (RISs) have huge potential to improve spectral and energy efficiency in future wireless systems at a minimal cost. However, early prototype resu…