Arbitrary aperture synthesis with nonlocal leaky-wave metasurface antennas

G Xu, A Overvig, Y Kasahara, E Martini, S Maci… - Nature …, 2023 - nature.com
The emergence of new technological needs in 5 G/6 G networking and broadband satellite
internet access amplifies the demand for innovative wireless communication hardware …

Design of reconfigurable Huygens metasurfaces based on Drude-like scatterers operating in the epsilon-negative regime

A Monti, S Vellucci, M Barbuto, L Stefanini… - Optics …, 2024 - opg.optica.org
In this study, we investigate the feasibility of designing reconfigurable transmitting
metasurfaces through the use of Drude-like scatterers with purely electric response …

Phase-gradient Huygens' metasurface coatings for dynamic beamforming in linear antennas

S Vellucci, M Longhi, A Monti, M Barbuto… - … on Antennas and …, 2023 - ieeexplore.ieee.org
The beamforming capabilities of conformal cylindrical Huygens metasurface (HMS) coatings
for linear antennas are assessed. It is shown that by engineering the phase-gradient profile …

A diffusion model for multi-layered metasurface unit cell synthesis

C Niu, M Phaneuf, P Mojabi - IEEE Open Journal of Antennas …, 2023 - ieeexplore.ieee.org
A deep learning approach based on a diffusion model is proposed to yield metasurface unit
cell designs. This method takes desired two-port scattering parameters along with the …

Tunable microwave dual-band patch antenna through integration of metamaterials and nanoscale ferroelectrics

M Aldrigo, AC Tasolamprou, D Vasilache… - Physical Review …, 2023 - APS
We present a CMOS-compatible silicon-based patch antenna providing a tunable dual-band
behavior in the 8–12 GHz frequency range. The dual-band operation is induced by an …

Guided and Space Waves Multiplexed Metasurface for Advanced Electromagnetic Functionalities in Microwave Region

C Guan, T Cai, L Zhu, J Han, C Ding… - Advanced …, 2024 - Wiley Online Library
Nowadays, metasurfaces have attracted considerable attention due to their promising and
advanced control of electromagnetic (EM) waves. However, it is still challenging to shape …

3-D printable synthetic metasurface to realize 2-D beam-steering antenna

F Ahmed, T Hayat, MU Afzal, S Zhang… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
This article presents highly radio-frequency (RF) transparent phase gradient synthetic
metasurfaces made of sub-wavelength-sized 3D printable meta-atoms with tailored …

ASIC Enabled Programmable Metasurfaces-Part 2: Performance and Synthesis

KM Kossifos, J Georgiou… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A multifunctional and reconfigurable programmable metasurface (PMSF) enabled by an
application-specific integrated circuit (ASIC) that targets smart wireless environment …

Physical design and experimental verification of a Huygens' metasurface two-lens system for phased-array scan-angle enhancement

J Kim, GA Egorov, GV Eleftheriades - IEEE Access, 2022 - ieeexplore.ieee.org
Over the past decades, many radome designs to extend the angular scan range of phased-
array antennas have been devised by utilizing dielectric materials and metamaterials. More …

Direct Angle of Arrival (AOA) Estimation Using a Metasurface Antenna With Single Frequency Phaseless Measurements Obeyed Schwarz Inequality

W Li, N Wang, J Qi - IEEE Transactions on Microwave Theory …, 2023 - ieeexplore.ieee.org
Location estimation has attracted significant interest with the development of wireless
communication. The rapid emergence of the fifth generation (5G) and the Internet of Things …