Broadband High-Gain Dual-Polarized Filtering Antenna Using a Partially Reflective Surface Lens for 5G Millimeter-Wave Sensor Applications
Yao Zhang, Huazhu Liu
TL;DR
This paper introduces a high-gain, dual-polarized antenna for 5G millimeter-wave sensors using a partially reflective surface lens to improve performance.
Contribution
A novel broadband dual-polarized filtering antenna is proposed using a PRS lens and M-E dipole for 5G applications.
Findings
The antenna achieves a 33.3% impedance bandwidth from 25–35 GHz.
It demonstrates a maximum in-band gain of 12.3 dBi.
The design integrates a bandpass-type filtering response with high permittivity superstrate.
Abstract
This paper presents a dual-polarized millimeter-wave filtering antenna based on a broadband partially reflective surface lens for gain improvement. It consists of a magneto-electric dipole (M-E dipole) as the source and a partially reflective surface (PRS) as the lens. The M-E dipole source antenna employs a dual-layer substrate structure, and its working principle is investigated by the circuit analysis method. A stub-loaded transmission line network is used to study the radiation characteristics of the source antenna, and the simulation results reveal that it has intrinsic integrated bandpass-type filtering response. The PRS lens is realized by designing a square high permittivity superstrate. By combining the source antenna and the lens, a wideband dual-polarized high gain cavity antenna is developed. The fabricated prototype has a measured impedance bandwidth of 33.3% (25–35 GHz),…
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Taxonomy
TopicsAdvanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications · Microwave Engineering and Waveguides