A novel reconfigurable intelligent surface for wide-angle passive beamforming
A design for a highly reconfigurable intelligent surface (RIS) that can provide 3-D passive
reflective beamforming suitable for sub-6-GHz frequency bands is proposed. The RIS is …
reflective beamforming suitable for sub-6-GHz frequency bands is proposed. The RIS is …
Multi-Scale Single-Bit RP-EMS Synthesis for Advanced Propagation Manipulation Through System-by-Design
A new method for the synthesis of single-bit reconfigurable passive electromagnetic skins
(1RP-EMSs) featuring advanced beam shaping capabilities is proposed. By using single-bit …
(1RP-EMSs) featuring advanced beam shaping capabilities is proposed. By using single-bit …
A low-RCS multifunctional shared aperture with wideband reconfigurable reflectarray antenna and tunable scattering characteristic
This article presents a low radar cross section (RCS) single-layer multifunctional shared
aperture (MSA) with tunable manipulation of radiation and bistatic scattering patterns over …
aperture (MSA) with tunable manipulation of radiation and bistatic scattering patterns over …
Single motor-controlled mechanically reconfigurable reflectarray
In this article, a mechanically reconfigurable 1-D reflectarray actuated by a single motor is
proposed. The elements are designed as metal tubes that are lifted by the ejectors. To …
proposed. The elements are designed as metal tubes that are lifted by the ejectors. To …
A shared-aperture dual-band sub-6 GHz and mmWave reconfigurable intelligent surface with independent operation
A novel dual-band independent reconfigurable intelligent surface (DBI-RIS) design that
combines the functionalities of millimeter-wave (mmWave) and sub-6-GHz bands within a …
combines the functionalities of millimeter-wave (mmWave) and sub-6-GHz bands within a …
Beam-and band-width broadening of intelligent reflecting surfaces using elliptical phase distribution
P Callaghan, PR Young - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
Reflectarray surfaces (RASs) can be useful as passive repeaters or intelligent reflecting
surfaces (IRSs) in communication networks by providing nonspecular reflection of an …
surfaces (IRSs) in communication networks by providing nonspecular reflection of an …
Concept of independent reflection magnitude and phase using an electromechanical metasurface
K Macdonell, LM Rufail, S Gupta - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
A simple concept to perfectly decouple the reflection magnitude and phase of a reflective
metasurface is proposed. For a linearly-polarized illumination, a full 2π phase is achieved in …
metasurface is proposed. For a linearly-polarized illumination, a full 2π phase is achieved in …
Switchable electromagnetic absorber/reflectors using back-loaded active radio frequency circuits
B Wang, W Wu, ZY Zong, G Cheng… - Electromagnetic …, 2023 - ieeexplore.ieee.org
In this paper, three switchable electromagnetic absorbers/reflectors using back-loaded
active radio frequency circuits are presented. In the first design, the incident waves are …
active radio frequency circuits are presented. In the first design, the incident waves are …
A Reconfigurable Intelligent Surface for Arbitrary mm-Wave Polarization Using Parasitic Enhancing Structures
The design of a reconfigurable intelligent surface (RIS) for mm-waves with arbitrary
polarization is proposed. At mm-wave frequencies, the RF switches needed in the RIS suffer …
polarization is proposed. At mm-wave frequencies, the RF switches needed in the RIS suffer …
160 GHz Millimeter-wave Huygens Beam-forming Transmit Arrays for Fixed Radio Link Communication Systems
A simple full-wave analysis is presented here to demonstrate the sensitivity of fabrication
tolerances in realizing Huygens' metasurfaces and related transmitarrays around the 160 …
tolerances in realizing Huygens' metasurfaces and related transmitarrays around the 160 …