An angle-insensitive 3-bit reconfigurable intelligent surface

JC Liang, Q Cheng, Y Gao, C ** methods with CNN-LSTM-DNN
P Wang, Z Li, Z Wei, T Wu, C Luo… - … on Antennas and …, 2024‏ - ieeexplore.ieee.org
Space-time-coding digital metasurface has drawn worldwide attention with the ability to
improve communication quality and change the direction of electromagnetic (EM) wave …

A machine learning framework for the design of STCDME structures in RIS applications

P Wang, Z Wei, T Wu, W Jiang, T Hong… - IEEE Transactions …, 2023‏ - ieeexplore.ieee.org
This article introduces a machine learning (ML) framework for the design of space–time-
coding digital metasurface elements (STCDMEs), commonly used in reconfigurable …

Simultaneous wireless information and power transfer transmitting architecture based on asynchronous space-time-coding digital metasurface

ZJ Qi, JY Dai, SR Wang, QY Zhou, W Tang… - Chinese Optics …, 2023‏ - opg.optica.org
Simultaneous wireless information and power transfer (SWIPT) architecture is commonly
applied in wireless sensors or Internet of Things (IoT) devices, providing both wireless …

Practical Design Considerations for Reconfigurable Intelligent Surfaces

J Rains, J ur Rehman Kazim… - … Surfaces (IRS) for …, 2022‏ - Wiley Online Library
The reconfigurable intelligent surface (RIS) has recently emerged as a very appealing
technology to manipulate electromagnetic waves in a propagation environment. The RIS is a …

2.75-bit reflecting unit cell design for reconfigurable intelligent surfaces

J Rains, L Zhang, QH Abbasi, M Imran… - … on Antennas and …, 2021‏ - ieeexplore.ieee.org
This work proposes a phase-shifting unit cell for a reconfigurable intelligent surface capable
of exhibiting 8 discrete phase states at 5G mid-band. An individually addressable unit cell …

Single-Beam-Scanning 1-Bit Metasurface with Dual Circular Polarization Based on Hybrid Coding Mechanism

W Li, X Wang, Y Wang, N Yan… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
In this paper, a single-beam-scanning metasurface with dual circular polarization using
hybrid coding mechanism is presented, which can steer the scattered wave in a large range …

Reflecting metasurface unit cell design with multi-bit azimuthal control

J Rains, JUR Kazim, L Zhang… - … , Antennas & Circuits …, 2021‏ - ieeexplore.ieee.org
This work proposes a phase-shifting unit cell for a reconfigurable intelligent surface capable
of exhibiting 7 discrete reflection phase shifts at 3.75 GHz. Sets of PIN diode-loaded unit …

[PDF][PDF] An Arduino-controlled reconfigurable intelligent surface with angular stability for 5G mmWave applications

BA Babu, PR Kalyan, VV Lakhmi… - Progress In …, 2023‏ - researchgate.net
The role and applications of millimeter wave (mmWave) Reconfigurable Intelligent Surfaces
(RIS) have been rapidly increasing by extending the signal coverage with energy and …