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eess.SP2025
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…
eess.SP2025
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…
eess.SP2024
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…