Review of metasurface antennas for computational microwave imaging

MF Imani, JN Gollub, O Yurduseven… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
This article covers recent advances in the fusion of metasurface antenna design and
computational imaging (CI) concepts for the realization of imaging systems that are planar …

PhysFad: Physics-based end-to-end channel modeling of RIS-parametrized environments with adjustable fading

R Faqiri, C Saigre-Tardif… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Programmable radio environments parametrized by reconfigurable intelligent surfaces
(RISs) are emerging as a new wireless communications paradigm, but currently used …

Intelligent meta-imagers: From compressed to learned sensing

C Saigre-Tardif, R Faqiri, H Zhao, L Li… - Applied Physics …, 2022 - pubs.aip.org
Computational meta-imagers synergize metamaterial hardware with advanced signal
processing approaches such as compressed sensing. Recent advances in artificial …

Dynamic metasurface antennas for uplink massive MIMO systems

N Shlezinger, O Dicker, YC Eldar, I Yoo… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Massive multiple-input-multiple-output (MIMO) communications are the focus of
considerable interest in recent years. While the theoretical gains of massive MIMO have …

Intelligent beamforming via physics-inspired neural networks on programmable metasurface

S Li, Z Liu, S Fu, Y Wang, F Xu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Programmable metasurface (PM) exhibits powerful capabilities to manipulate
electromagnetic (EM) waves with controlled active components loaded on the sub …

Implementation and characterization of a two-dimensional printed circuit dynamic metasurface aperture for computational microwave imaging

TA Sleasman, MF Imani, AV Diebold… - … on Antennas and …, 2020 - ieeexplore.ieee.org
We present the design, fabrication, and experimental characterization of a 2-D, dynamically
tuned, metasurface aperture, emphasizing its potential performance in computational …

Electromagnetic based communication model for dynamic metasurface antennas

RJ Williams, P Ramírez-Espinosa… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Dynamic metasurface antennas (DMAs) arise as a promising technology in the field of
massive multiple-input multiple-output (mMIMO) systems, offering the possibility of …

Computational imaging with dynamic metasurfaces: A recipe for simple and low-cost microwave imaging

T Sleasman, MF Imani, AV Diebold… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
We review the evolution of metasurface antennas for computational microwave imaging and
highlight the advantages and disadvantages of various configurations. As an illustrative …

Programmable metasurface based on substrate-integrated waveguide for compact dynamic-pattern antenna

S Li, F Xu, X Wan, TJ Cui, YQ ** - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A programmable metasurface based on a substrate-integrated waveguide (SIW) is proposed
to realize a dynamic-pattern antenna, which satisfies the critical needs of low cost, ease of …

Passive microwave spectral imaging with dynamic metasurface apertures

AV Diebold, MF Imani, T Fromenteze, DL Marks… - Optica, 2020 - opg.optica.org
Passive microwave imaging of incoherent sources is often approached in a lensless
configuration through array-based interferometric processing. We present an alternative …