[HTML][HTML] 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 …

Development of fast Fourier-compatible image reconstruction for 3D near-field bistatic microwave imaging with dynamic metasurface antennas

AM Molaei, T Fromenteze… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The emerging technology of dynamic metasurface antennas (DMAs) offers a promising
solution to revolutionize future wireless communications by reducing hardware costs …

Channel modeling and estimation for reconfigurable-intelligent-surface-based 6G SAGIN IoT

X Meng, N Zhang, M Jian, M Kadoch… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
The design of the Internet of Things (IoT) system over space–air–ground-integrated network
(SAGIN) is still in its infancy. It is critical to get 6G technology involved, in order to address …

Fourier-based near-field three-dimensional image reconstruction in a multistatic imaging structure using dynamic metasurface antennas

AM Molaei, T Fromenteze, S Hu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Due to physical layer compression, and consequently, the failure to produce uniform
radiation patterns, it is not possible to apply fast Fourier-based image reconstruction …

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 …

Application of Kirchhoff Migration Principle for Hardware-Efficient Near-Field Radar Imaging

AM Molaei, M García-Fernández… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Achieving high imaging resolution in conventional monostatic radar imaging with
mechanical scanning requires excessive acquisition time. Although real aperture radar …

WiFi physical layer stays awake and responds when it should not

A Abedi, H Lu, A Chen, C Liu… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
WiFi communication should be possible only between devices inside the same network.
However, we find that all existing WiFi devices send back acknowledgments (ACKs) to even …

Passive human sensing enhanced by reconfigurable intelligent surface: Opportunities and challenges

X Li, JW You, Z Gu, Q Ma, L Chen… - IEEE …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) have flexible and exceptional performance in
manipulating electromagnetic waves and customizing wireless channels. These capabilities …

60 GHz Programmable Dynamic Metasurface Antenna (DMA) for Next-Generation Communication, Sensing, and Imaging Applications: From Concept to Prototype

A Jabbar, M Alsyed, JUR Kazim, Z Pang… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
In this paper, for the first time we present the complete design of a dynamic metasurface
antenna (DMA) array at the 60 GHz millimeter-wave (mmWave) industrial, scientific, and …

Design of high gain metasurface antenna using hybrid African vulture's optimization and capuchin search algorithm for RF energy harvesting

MV Kumar, D Sharma - Wireless Personal Communications, 2023 - Springer
Abstract In general, Metasurface Antennas (MSA) are designed to diminish the antenna
shape by enhancing the operating band and directivity. As the efficiency decreases, the …