High-Gain Millimeter-Wave Beam Scanning Transmitarray Antenna [PDF]
Sensors, 2023 In this article, a high-gain millimeter-wave transmitarray antenna (TAA) maintaining scanning ability is developed, integrating an array feed as the primary emitter.
Hao-Zheng Yang, Shi-Wei Qu
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Characterization of Tiled Architecture for C-Band 1-Bit Beam-Steering Transmitarray [PDF]
Sensors, 2021 A new implementation of a beam-steering transmitarray is proposed based on the tiled array architecture. Each pixel of the transmitarray is manufactured as a standalone unit which can be hard-wired for specific transmission characteristics.
Dmitry Kozlov +5 more
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Evaluation of a Dielectric-Only Transmitarray for Generating Multi-Focusing Near-Field Spots Using a Cluster of Feeds in the Ka-Band [PDF]
Sensors, 2021 A transmitarray antenna is evaluated to generate a multi-focusing spot area in the Fresnel region of the antenna in the Ka-band. The antenna is designed to focus the radiated field at a certain point using a central feeding configuration.
Álvaro F. Vaquero +5 more
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High Efficiency Dual-Band Dual-Circularly Polarized Transmitarray Antenna. [PDF]
Micromachines (Basel)A dual-band dual-circularly polarized transmitarray antenna (TA) operating in the 28/39 GHz millimeter-wave band is proposed in this article. The TA unit consists of two parts: a broadband linearly polarized (LP) receiving part and a dual-band dual ...
Zhang T +5 more
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Near Field Models of Spatially-Fed Planar Arrays and Their Application to Multi-Frequency Direct Layout Optimization for mm-Wave 5G New Radio Indoor Network Coverage [PDF]
Sensors, 2022 Two near field models for the analysis of spatially fed planar array antennas are presented, compared and applied to a multi-frequency wideband direct layout optimization for mm-Wave 5G new radio (NR) indoor network coverage.
Daniel R. Prado
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Design of a binary programmable transmitarray based on phase change material for beam steering applications in D-band [PDF]
Scientific ReportsThis paper introduces the design of a reconfigurable transmitarray operating within the D-band frequency range (110–170 GHz). The transmitarray unit cell is composed of three metal layers and two quartz dielectric substrates.
Samara Gharbieh +5 more
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The Design of a Multifunctional Coding Transmitarray with Independent Manipulation of the Polarization States [PDF]
MicromachinesManipulating orthogonally polarized waves independently in a single metasurface is pivotal. However, independently controlling the phase shifts of orthogonally polarized waves is difficult, especially in the same frequency bands.
Shunlan Zhang +4 more
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Metasurface Source Antenna Gain Improvement Using Simple Side Metal Structure [PDF]
SensorsAs metasurfaces are in the spotlight, research is being conducted to incorporate them into transmitarray (TA) antennas. Among these, as an attempt to create a low-profile design, a patch antenna classified as low-gain can be utilized as an appropriate ...
HongGuk Bae, JaeGon Lee, SangWook Park
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A Low-Profile Dual-Polarized Transmitarray with Enhanced Gain and Beam Steering at Ku Band
Applied SciencesA low profile dual polarized transmitarray antenna, made of three identical layers, is proposed in this paper for Ku-band applications. The transmitarray comprises 22 × 22 symmetrical unit cells.
Md. Imran Khan +7 more
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Enhancing 2-D Beam Scanning Capability through Extended Transmission Paths in a Liquid Crystal-Based Transmitarray Antenna for mmWave Communications [PDF]
Journal of Electromagnetic Engineering and ScienceThis paper introduces a novel method for implementing a liquid crystal-based transmitarray (LCTA) antenna with two-dimensional (2D) beam scanning capability for the first time.
Seungwoo Bang, Hogyeom Kim, Jungsuek Oh
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