Results 1 to 10 of about 1,218 (184)

High-Gain Millimeter-Wave Beam Scanning Transmitarray Antenna [PDF]

open access: yesSensors, 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
doaj   +4 more sources

Combined Single-Layer K-Band Transmitarray and Beamforming S-Band Antenna Array for Satcom [PDF]

open access: yesIEEE Open Journal of Antennas and Propagation, 2022
In this paper, a dual-band antenna at 4.5 GHz and 25 GHz is presented. The antenna is a low-frequency phased patch antenna array combined with a high-frequency transmitarray with a fixed beam.
Daniel Edelgaard Serup   +2 more
doaj   +4 more sources

Evaluation of a Dielectric-Only Transmitarray for Generating Multi-Focusing Near-Field Spots Using a Cluster of Feeds in the Ka-Band [PDF]

open access: yesSensors, 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
doaj   +2 more sources

Review Paper on Transmitarray Antennas [PDF]

open access: yesIEEE Access, 2019
This paper presents a thorough review of transmitarray devices particularly aiming antenna beamsteering, gathering some of the most relevant solutions published by the scientific community in the field.
Joao R. Reis   +2 more
doaj   +2 more sources

Metasurface Source Antenna Gain Improvement Using Simple Side Metal Structure [PDF]

open access: yesSensors
As 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
doaj   +2 more sources

Ultra-light antennas via charge programmed deposition additive manufacturing [PDF]

open access: yesNature Communications
The demand for lightweight antennas in 5 G/6 G communication, wearables, and aerospace applications is rapidly growing. However, standard manufacturing techniques are limited in structural complexity and easy integration of multiple material classes ...
Zhen Wang   +7 more
doaj   +2 more sources

Characterization of Tiled Architecture for C-Band 1-Bit Beam-Steering Transmitarray [PDF]

open access: yesSensors, 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
doaj   +2 more sources

High Efficiency Dual-Band Dual-Circularly Polarized Transmitarray Antenna [PDF]

open access: yesMicromachines
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 ...
Tianling Zhang   +5 more
doaj   +2 more sources

Wideband Low-Profile Ku-Band Transmitarray Antenna

open access: yesIEEE Access, 2021
A wideband, low profile transmitarray antenna (TA) operating in Ku-band (12GHz-18GHz) is proposed. The transmitarray antenna is composed of aperiodic transmitarray units arranged periodically.
Mei-Yu Li, Yong-Ling Ban, Fu-Qiang Yan
doaj   +1 more source

All Metal Focusing Transmitarray Antenna for High-Temperature Plasma Diagnosis

open access: yesIEEE Access, 2021
In this paper, an all metal focusing transmitarray antenna using a II-shaped slot element is proposed. The transmitarray is formed by stacking four identical metal phase shift layers and three identical square waveguide layers on each other.
Chao Sun, Zheng Zhang, Wenchong Ouyang
doaj   +1 more source

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