Results 21 to 30 of about 4,264 (215)
A Review of Wideband Reflectarray Antennas for 5G Communication Systems
IEEE Access, 2017 The advancement in the current communication technology makes it incumbent to analyze the conventional features of reflectarray antenna for future adaptability.
Muhammad Hashim Dahri +3 more
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A Reflectarray Antenna Using Hexagonal Lattice With Enhanced Beam Steering Capability
IEEE Access, 2019 This paper presents a novel reflectarray antenna with enhanced beam steering capability. The reflectarray antenna is based on the hexagonal distribution of the unit cells on the antenna surface.
Orcun Kiris, Kagan Topalli, Mehmet Unlu
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Multifocal Approach for Reflectarray Antenna for DTH Applications [PDF]
, 2021 In this paper, numerical and experimental results on the design of a multifocal, planar Reflectarray with scanning capabilities in both elevation and azimuth, are presented.
Pirinoli, P. +9 more
core +1 more source
New Phase Realization Approach for Implementation of Braodband Reflectarrays
International Journal of Information and Communication Technology Research, 2021 We present a new phase realization approach applied to design the broadband single-layer reflectarray antennas. Such an optimization technique minimizes the adverse effects of frequency dispersion which limit the bandwidth of reflectarray antenna ...
Mahmood Rafaei-Booket +1 more
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A Low Profile Planar Dual-Polarized Tightly Coupled Dipole Reflectarray With 5:1 Bandwidth
IEEE Open Journal of Antennas and Propagation, 2022 This work introduces an extremely low profile ( $0.4\lambda _{high}$ ) planar ultra-wideband dual-polarized reflectarray. The unit-cell structure of the array is modular in nature, and without any electrical connection between adjacent unit-cells.
Muhammad Hamza +2 more
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BANDWIDTH CONSIDERATIONS FOR A MICROSTRIP REFLECTARRAY [PDF]
Progress In Electromagnetics Research B, 2008 The paper describes a theoretical investigation into a limited bandwidth operation of a microstrip reflectarray. Two main factors limiting the bandwidth are considered. One is related to the requirement of phase compensation to convert a spherical wavefront launched by a feed into a planar wavefront. The other one is linked to the limited phasing range
Bialkowski, M.E., Sayidmarie, K.H.
openaire +4 more sources
Reflectarray antennas for space applications [PDF]
2012 IEEE International Conference on Ultra-Wideband, 2012 In this paper, the advantages and recent developments of reflectarray antennas for space applications are reviewed. Basic requirements for space antennas, and the limitations and challenges of conventional designs are discussed. Various advantages of reflectarray antennas over reflectors and phased array antennas are reviewed and it is shown that ...
Atef Z. Elsherbeni +2 more
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Dual-Band Frequency Selective Surface-Backed Reflectarray for High-Speed Ka-Band Satellites
Applied SciencesA dual-band, dual-polarized frequency selective surface (FSS)-backed multilayer reflectarray antenna is designed for 5G high-speed satellites operating at Ka-band uplink and downlink frequencies (20/30 GHz).
Ahmet Hulusi Gülseren +2 more
doaj +1 more source
IEEE Access, 2020 A gain-enhancement scheme that combines an active integrated antenna (AIA) and an optically transparent reflectarray on solar cells is proposed for CubeSat applications.
Yen-Sheng Chen +2 more
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A Ku-Band Foldable Reflectarray Based on a Maltese-Cross Microstrip Element
Известия высших учебных заведений России: Радиоэлектроника, 2021 Introduction. Reflectarrays have a number of design and functional advantages over their closest analogue - reflector antennas (RA). Although microstrip elements are the most preferred reflectarray elements, single-layer microstrip elements do not allow ...
S. V. Polenga +5 more
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