Isolation Improvement in Reflectarray Antenna-Based FMCW Radar Systems [PDF]
Sensors, 2022 This paper presents an optimization of reflectarray-based RF sensors for detecting UAV and human presence. Our previous human detection radar system adapted a center-fed reflectarray antenna to a commercially available radar system, successfully ...
Hesham Yamani, Jihwan Yoon
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Single-Layer Metasurface-Based Reflectarray Antenna with H-Shaped Slotted Patch for X-Band Communication [PDF]
NanomaterialsIn this study, a metasurface-based reflectarray is designed for X-band applications. The unit cells are equipped with an H-shaped slotted patch for additional resonance and phase range.
Jawad Ali, Ashfaq Ahmad, Dong-you Choi
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Design and implementation of multi-band reflectarray metasurface for 5G millimeter wave coverage enhancement [PDF]
Scientific ReportsA compact low-profile multi-band millimeter-wave (mm-wave) reflectarray metasurface design is presented for coverage enhancement in 5G and beyond cellular communication.
Bilal Tariq Malik +2 more
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Analysis and Design of an X-Band Reflectarray Antenna for Remote Sensing Satellite System [PDF]
Sensors, 2022 This paper presents the analysis and design of an X-band reflectarray. The proposed antenna can be used for a medium Earth orbit (MEO) remote sensing satellite system in the 8.5 GHz band.
Shimaa A. M. Soliman +2 more
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Exploring the Beam Squint Effects on Reflectarray Performance: A Comprehensive Analysis of the Specular and Scattered Reflection of the Unit Cell [PDF]
SensorsIn this article, the phenomena of beam deviation in reflectarray is discussed. The radiation pattern of the unit cell, which plays a vital role in shaping the beam of the reflectarray, is analyzed by considering undesired specular and scattered ...
Manzoor Elahi +3 more
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Modern Reflectarray Antennas: A Review of the Design, State-of-the-Art, and Research Challenges
IEEE AccessAs communication technology advances, high-gain antennas are being investigated for a variety of long-distance applications. One such high gain antenna is reflectarray, it has combined advantageous characteristics of a reflector and phased array antennas.
J. Annal Joy +5 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
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Design and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring [PDF]
SensorsIn this article, a wideband single-layer reflectarray antenna for Ku-band applications is presented. The proposed reflectarray antenna is suitable for applications such as fixed satellite service (FSS), broadcasting satellite service (BSS), earth ...
Annal Joy J +4 more
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A 3D-Printed Bi-Material Bragg-Based Reflectarray Antenna [PDF]
SensorsThis paper presents a 3D-printed fully dielectric bi-material reflectarray with bandgap characteristics for multi-band applications. To achieve bandgap characteristics, a “1D Bragg reflector” unit cell is used.
Walid Chekkar +6 more
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Investigation of losses on directivity improvement in the graphene reflectarray design [PDF]
Scientific ReportsThe surface-wave generation in microstrip antennas and reflectarray antennas composed of microstrip patches is an unavoidable phenomenon. The incidence of surface-waves on discontinuities and edges results in side-lobe generation and main beam ...
Parinaz Hosseini, Homayoon Oraizi
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