Stacked intelligent metasurfaces process the transmitted field layer by layer, and fluid antennas make the position of every radiator a design variable. Combined, they pack radiators at sub-wavelength spacings within and across layers, where mutual coupling governs the physics that current models omit. This paper devel...
Giovanni Iacovelli, Chandan Kumar Sheemar, S. Chatzinotas· 0 citations
Inter-satellite links (ISLs) are essential to the evolution of next-generation satellite constellations, providing the foundation for low-latency, resilient, and globally scalable connectivity. While low radio-frequency (RF)-based ISLs offer technological maturity, they are increasingly constrained by spectrum scarcity...
Chandan Kumar Sheemar, W. Khan, Giovanni Iacovelli et al.· 0 citations
Numerical results demonstrate that the proposed SIM-assisted architecture significantly improves spectral efficiency while maintaining low hardware complexity, and highlight the impact of the number of metasurface layers and size of each layer on system performance.
C. K. Sheemar, Giovanni Iacovelli, Sourabh Solanki et al.· 0 citations
This paper studies energy-efficient downlink multi-user transmissions with unmanned aerial vehicle (UAV) communication systems equipped with stacked intelligent metasurfaces (SIM), enabling wave-domain analog beamforming through multiple cascaded metasurface layers, while low-dimensional digital precoding is carried ou...
Chandan Kumar Sheemar, Giovanni Iacovelli, Sourabh Solanki et al.· 1 citation
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