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 …

Antenna system requirements and challenges towards 6G-an industrial view

I Andersson, L Manholm, AA Brazalez… - 2023 International …, 2023 - ieeexplore.ieee.org
5G is currently being rolled-out in many countries and nationwide networks with successive
provisioning of new communication capabilities and services will keep the industry busy for …

Multifunctional Space–Time-Modulated Metasurface for Direction of Arrival Estimation and RCS Manipulation in a Single System

X Fang, M Li, Z Lai, D Ramaccia… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this article, we propose a multifunctional space–time-modulated metasurface (STM-MTS)
able to perform simultaneously a direction of arrival (DoA) estimation and radar cross …

6G energy‐efficient systems based on arrays combined with dielectric lenses

H Wang, P Castillo‐Tapia, L Manholm… - Electronics …, 2023 - Wiley Online Library
It is demonstrated that combining phased array antennas with dielectric lenses constitutes a
suitable solution to increase the energy efficiency in next‐generation communication …

Flexible 6G antenna systems based on innovative lenses combined with array antennas

A Algaba-Brazález, H Wang… - 2023 17th European …, 2023 - ieeexplore.ieee.org
In this article, we propose an innovative concept to realize flexible and cost-effective array
antenna systems for next generation communication systems. The idea is to tailor the …

A Statistical Approach for Robust Metasurfaces and Metasurface-based RIS Engineering

L Stefanini, D Ramaccia, M Barbuto… - … on Antennas and …, 2024 - ieeexplore.ieee.org
The design of metasurface-based devices [eg, reflective intelligent surfaces (RISs)] is
inherently affected by unpredictable variations of the unit-cell response, due to undesired …

Topological Valley Photonic Waveguides: Scattering matrix evaluation for linear computing

C Johnson-Richards, A Yakovlev… - arxiv preprint arxiv …, 2024 - arxiv.org
Topological boundary modes utilizing valley mode waveguides have opened opportunities
in, for instance, the design of high transmission waveguides with tolerance to geometrical …

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 …

Suppressing sidelobes in metasurface-based antennas using a cross-entropy method variant and full wave electromagnetic simulations

K Singh, K Esselle - Electronics, 2023 - mdpi.com
Managing sidelobe levels (SLLs) in metasurface-driven beam-steering antennas poses a
significant challenge due to intrinsic factors leading to grating lobes. Our proposed method …

Co-Design of Low-Profile Linear Microstrip Arrays with Wide-Band Spatial Filtering Capabilities

A Benoni, M Salucci, A Massa - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
The design of low-profile linear microstrip arrays with wide-band spatial filtering capabilities
is dealt with. An innovative architecture, leveraging the angular selectivity of offset stacked …