57 citations · 205 across the 18 of their papers we have counts for
16 papers · 1 filter
Physically Consistent Modeling of Dispersive Time-Modulated Reconfigurable Intelligent Surfaces for Wideband OFDM
Ivan Iudice, Donatella Darsena, Giacinto Gelli +1
The elements of a reconfigurable intelligent surface (RIS) are commonly modeled either as frequency-selective time-invariant reflectors or as instantaneous time-varying reflection…
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…
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…
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…
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…
CycloDSP: A cyclostationary signal analysis tool for GNU Radio
Donatella Darsena, Giacinto Gelli, Ivan Iudice
In this paper, we present a first attempt to incorporate in the GNU Radio ecosystem a tool called CycloDSP, devoted to the analysis of complex-valued cyclostationary signals. Such…
A Hybrid NOMA-OMA Scheme for Inter-plane Intersatellite Communications in Massive LEO Constellations
Donatella Darsena, Giacinto Gelli, Ivan Iudice +1
Communication between satellites in low-Earth orbit (LEO) constellations takes place through inter-satellite links (ISLs). Unlike intra-plane ISLs, which interconnect satellites be…
Rapidly time-varying reconfigurable intelligent surfaces for downlink multiuser transmissions
Francesco Verde, Donatella Darsena, Vincenzo Galdi
Until now, researchers in wireless communications have mainly focused their attention on slowly time-varying designs of reconfigurable intelligent surfaces (RISs), where the spatia…
Anti-jamming beam alignment in millimeter-wave MIMO systems
Donatella Darsena, Francesco Verde
In millimeter-wave (MMW) multiple-input multiple-output (MIMO) communications, users and their corresponding base station (BS) have to align their beam during both initial access a…
Channel State Acquisition in Uplink NOMA for Cellular-Connected UAV: Exploitation of Doppler and Modulation Diversities
Donatella Darsena, Ivan Iudice, Francesco Verde
Integration of unmanned aerial vehicles (UAVs) for surveillance or monitoring applications into fifth generation (5G) New Radio (NR) cellular networks is an intriguing problem that…
Detection and blind channel estimation for UAV-aided wireless sensor networks in smart cities under mobile jamming attack
Donatella Darsena, Giacinto Gelli, Ivan Iudice +1
Unmanned aerial vehicles (UAVs) can be integrated into wireless sensor networks (WSNs) for smart city applications in several ways. Among them, a UAV can be employed as a relay in…
Design and performance analysis of channel estimators under pilot spoofing attacks in multiple-antenna systems
Donatella Darsena, Giacinto Gelli, Ivan Iudice +1
In multiple antenna systems employing time-division duplexing, spatial precoder design at the base station (BS) leverages channel state information acquired through uplink pilot tr…
Beamforming and precoding techniques
Donatella Darsena, Giacinto Gelli, Francesco Verde
Beamforming and precoding/combining are techniques aimed at processing multiantenna signals at the transmitter and/or at the receiver of a wireless communication system. While they…
On the design of multiple-relay cooperative MIMO networks with partial channel state information
Donatella Darsena, Giacinto Gelli, Francesco Verde
This paper deals with the problem of jointly designing the source precoder, the relaying matrices, and the destination equalizer in a multiple-relay amplify-and-forward (AF) cooper…
Separable MSE-based design of two-way multiple-relay cooperative MIMO 5G networks
Donatella Darsena, Giacinto Gelli, Ivan Iudice +1
While the combination of multi-antenna and relaying techniques has been extensively studied for Long Term Evolution Advanced (LTE-A) and Internet of Things (IoT) applications, it i…