A Novel Design Approach Using Zero-Pole-Based Multi-Port Model for Reconfigurable Intelligent Surfaces

Z Zhang, JW Zhang, YJ Lv, H Li, L Jiang… - … on Antennas and …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are of potential use in 5G/6G wireless
communications due to their tunable electromagnetic (EM) parameters for flexible beam …

A Self-Powered Electronically Reconfigurable Reflectarray Integrated with Solar Cells

F Xue, C Meng, Y Li, G Feng, B Liu… - IEEE Antennas and …, 2024 - ieeexplore.ieee.org
This letter presents a versatile reconfigurable reflectarray that integrates with solar cells. The
solar cell serves as the reflectarray element and energy harvesting cell, simultaneously …

A Study of Four-Switch Cross-Shaped RIS and A Novel Design Example

X Zong, F Yang, S Xu, M Li - arXiv preprint arXiv:2410.14261, 2024 - arxiv.org
This paper analyzes the working principle of four-switch cross-shaped reconfigurable
intelligent surface (RIS) in detail and reveals the different types of RIS that can be designed …

Can Series or Parallel Switches Improve the Performance of Reconfigurable Reflectarray Elements?

C Liu, Y Wu, F Yang, S Xu, M Li - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
This paper employs microwave network analysis to theoretically show that the performance
limit of 1-bit reconfigurable reflectarray (RRA) elements only depends on the imaginary/real …

Intelligent Design for On-Demand Reconfigurable Reflectarray Elements

C Liu, F Yang, S Xu, M Li, A Alù - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
This paper presents a deep learning approach for the design of on-demand reconfigurable
reflectarray elements. By leveraging microwave network analysis, our technique efficiently …

A Beam-Steering Reflectarray Antenna with Arbitrary Linear-Polarization Reconfiguration

C Liu, S Zhou, F Yang, S Xu, M Li - arXiv preprint arXiv:2305.18695, 2023 - arxiv.org
This work presents a beam-steering reflectarray antenna capable of achieving arbitrary
linear polarization (LP) reconfiguration. It utilizes a dual-circular polarization (CP) …

A Convolutional Neural Network-Based Method for Accurate Computation of Scattered Fields From Reconfigurable Intelligent Surfaces

Y Liu, C Sarris - Authorea Preprints, 2024 - techrxiv.org
The cell-to-cell coupling in a reconfigurable intelligent surface (RIS) is very different from a
periodic structure, where coupling effects can be precisely evaluated via full-wave analysis …

An Intuitive Evaluation Method of 1-Bit Reconfigurable Metasurface Element Based on Radiation Viewpoint

C Liu, F Yang, S Xu, M Li - 2024 International Applied …, 2024 - ieeexplore.ieee.org
This paper introduces a radiation viewpoint to evaluate reconfigurable metasurface (RMS)
elements. By converting a conventional viewpoint structure to a radiation antenna, this …