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Author

G. Gradoni

3 papers indexed here

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Preprint Sep 2026

Non-Uniform Antenna Array Design with Large Inter-Element Spacing for Massive MIMO

In massive multiple-input multiple-output (MIMO) systems, uniform arrays are typically configured with inter-element spacing no greater than half a wavelength to avoid grating lobes and spatial aliasing. However, many emerging fifth- and sixth-generation (5G/6G) applications rely on distributed arrays whose inter-eleme...

Che-Kuan Lin, Luo Qu, O. Christogeorgos et al. · 0 citations
Review Oct 2026

Reconfigurable Intelligent Surfaces: Architectures, Models, and Applications

Reconfigurable Intelligent Surfaces (RIS), also known as programmable metasurfaces, have emerged as a promising technology for next-generation wireless communication systems by enabling programmable control over the propagation environment. Through dynamic manipulation of the phase, amplitude, and polarization of elect...

M. Fallahzadeh, Mohammad Hossein Koohi Ghamsari, A. Mallahzadeh et al. · 0 citations
Open access Jul 2025

Photon Splatting: A Physics-Guided Neural Surrogate for Real-Time Channel Modeling in Quasi-Static Wireless Environments

Photon Splatting is presented, a physics-guided neural surrogate for wireless channel modeling in complex quasi-static environments that generalizes to unseen Tx locations, Rx positions, and antenna beam patterns without retraining.

Ge Cao, G. Gradoni, Peng Zhen · 2 citations

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