5 papers
Airy beams for radiative near-field communications: Fundamentals, potentials, and limitations
Donatella Darsena, Francesco Verde, Marco Di Renzo +1
In next-generation wireless networks, the combination of electrically large radiating apertures and high-frequency transmission extends the radiating near-field region around the t…
Randomized Space-Time Stacked Intelligent Metasurfaces for Massive Multiuser Downlink Connectivity
Donatella Darsena, Ivan Iudice, Vincenzo Galdi +1
Stacked intelligent metasurfaces (SIMs) represent a key enabler for next-generation wireless networks, offering beamforming gains while significantly reducing radio-frequency chain…
AI-Driven Design of Stacked Intelligent Metasurfaces for Software-Defined Radio Applications
Ivan Iudice, Giacinto Gelli, Donatella Darsena
The integration of reconfigurable intelligent surfaces (RIS) into future wireless communication systems offers promising capabilities in dynamic environment shaping and spectrum ef…
Optimal transmit field distribution for partially obstructed continuous radiating surfaces in near-field communication systems
Francesco Verde, Donatella Darsena, Marco Di Renzo +1
This paper deals with the optimal synthesis of aperture fields for (radiating) near-field communications in obstructed environments. A physically consistent model based on knife-ed…
Design of stacked intelligent metasurfaces with reconfigurable amplitude and phase for multiuser downlink beamforming
Donatella Darsena, Francesco Verde, Ivan Iudice +1
A novel technology based on stacked intelligent metasurfaces (SIM) has recently emerged. This platform involves cascading multiple metasurfaces, each acting as a digitally programm…