Bandwidth enhancement of a miniaturized reflectarray antenna using sub‐wavelength meander‐line cells
Sign Up to like & getrecommendations! Published in 2017 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.30581
Abstract: We propose a new way to enlarge gain bandwidth of a miniaturized reflectarray antenna (MRA), a new type of reflectarray antenna (RA) with significantly reduced volume. To extend the gain bandwidth, we have used meander-line… read more here.
Keywords: gain; reflectarray antenna; gain bandwidth; miniaturized reflectarray ... See more keywords
A single‐layer Ka‐band broadband reflectarray antenna using log‐periodic elements
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32018
Abstract: This letter presents a novel log‐periodic reflectarray element based on a single‐layer substrate. To achieve a full 360° phase coverage with a gentle slope, the corresponding parameters are optimized. For the sake of minimizing the… read more here.
Keywords: antenna; single layer; log periodic; reflectarray antenna ... See more keywords
A wideband, single layer reflectarray antenna with cross loop and square ring slot loaded patch elements
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078719000187
Abstract: Abstract This paper presents the design and analysis of a wideband X/Ku and Ku band reflectarray antenna. The proposed unit cell of the reflectarray antenna comprises a patch loaded with two distinct slots, viz. a… read more here.
Keywords: loaded patch; square ring; reflectarray antenna; reflectarray ... See more keywords
Development of an X-Band Reflectarray Antenna for Satellite Communications
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-85132-6
Abstract: An X-band reflectarray antenna using 16 × 12 double square ring elements for satellite communications is proposed in this paper. The feed is a 4 × 3 elements microstrip patch array designed to create edge taper of approximately − 10 dB.… read more here.
Keywords: band reflectarray; satellite communications; reflectarray antenna; development band ... See more keywords
Linear to Circular Polarization Converter Single Layer Reflectarray Antenna
Sign Up to like & getrecommendations! Published in 2020 at "Electromagnetics"
DOI: 10.1080/02726343.2021.1864580
Abstract: ABSTRACT In this paper, a novel single-layer reflectarray antenna that converts linear polarization to circular polarization is presented. The reflectarray unit-cell consists of a microstrip circular patch inside a ring. Two curved and stub lines… read more here.
Keywords: single layer; layer reflectarray; reflectarray antenna; polarization ... See more keywords
A metal-only reconfigurable reflectarray antenna for generating diversified circular-polarization focused beams and mode-agile vortex beams
Sign Up to like & getrecommendations! Published in 2023 at "Electromagnetics"
DOI: 10.1080/02726343.2023.2206266
Abstract: ABSTRACT In this article, a metal-only reconfigurable reflectarray antenna (RRA) is proposed for generation of diversified circular-polarization (CP) focused beams and mode-agile vortex beams in the X-band. The proposed RRA element has the 3-D metal-only… read more here.
Keywords: antenna; reflectarray antenna; polarization; vortex beams ... See more keywords
Programmable terahertz vortex beam reflectarray antenna based on a graphene phoenix unit cell
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abd72b
Abstract: In this paper, for the first time, the concept, analysis and equivalent circuit of a phoenix graphene patch (PGP) unit cell is presented. It is shown that a full 360° phase range can be realized… read more here.
Keywords: reflectarray antenna; unit; vortex beam; antenna based ... See more keywords
A Ka-Band High-Efficiency Transparent Reflectarray Antenna Integrated With Solar Cells
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2875359
Abstract: A transparent reflectarray antenna integrated with solar cells is presented for satellite communications in the paper. The electromagnetic characteristics of solar cells at Ka-band are investigated, and a sub-wavelength X-shaped dipole element is designed to… read more here.
Keywords: reflectarray antenna; transparent reflectarray; reflectarray; integrated solar ... See more keywords
Broadband Single-Layer Reflectarray Antenna Employing Circular Ring Elements Dented With Sectorial Slits
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2953103
Abstract: A broadband single-layer reflectarray antenna comprising circular ring elements dented with sectorial slits is presented. The sizes of circular rings are fixed and equal for all elements, while the variation of the reflected phase is… read more here.
Keywords: reflectarray antenna; reflectarray; single layer; sectorial slits ... See more keywords
Analysis and Elimination of Unwanted Resonances for Wideband Reflectarray Antenna Design at Sub-Millimeter Waves
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3044363
Abstract: In this study, unwanted additional resonances are analyzed and a method is developed to eliminate them for wideband offset dual reflectarray antenna at sub-millimeter waves. In the terahertz range, the additional resonances can usually be… read more here.
Keywords: millimeter waves; reflectarray antenna; reflectarray; sub millimeter ... See more keywords
Efficient Graphene Reconfigurable Reflectarray Antenna Electromagnetic Response Prediction Using Deep Learning
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3054944
Abstract: Aiming at the time-consuming problem of the full-wave (FW) simulation of the scattering characteristics of the traditional graphene reconfigurable reflectarray antenna, a fast prediction method of electromagnetic (EM) response based on deep learning is proposed.… read more here.
Keywords: response; reflectarray antenna; reflectarray; reconfigurable reflectarray ... See more keywords