Wideband Circularly Polarized Substrate-Integrated Waveguide Aperture-Coupled Metasurface Antenna Array for Millimeter-Wave Applications

IF 1.6 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Chinese Journal of Electronics Pub Date : 2024-11-11 DOI:10.23919/cje.2023.00.029

Jiwei Lian;Chun Geng;Xue Lu;Dazhi Ding

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Abstract

A wideband circularly polarized (CP) aperture-coupled metasurface antenna operating at millimeter-wave frequency spectrum in substrate-integrated waveguide (SIW) technology is proposed. The proposed metasurface antenna is composed of two substrates. The first substrate contains an end-shorted SIW section with a slot etched. The introduced metasurface is printed on the top of the second substrate. The metasurface is comprised of $3 \times 3$ unit cells, each of which contains two interconnected patches and two parasitic patches. The working mechanism of the proposed metasurface antenna is illustrated in details. The proposed metasurface antenna has wide impedance bandwidth and axial ratio (AR) bandwidth, which are 66.7% and 40%, respectively. Using the proposed metasurface antenna, a $4 \times 4$ CP metasurface antenna array with an impedance bandwidth of 24%, an AR bandwidth of 30%, and a peak gain of 18.7 dBic in simulation is developed in this paper for millimeter-wave applications.

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用于毫米波应用的宽带圆极化基底集成波导孔径耦合元面天线阵列

本文提出了一种采用基底集成波导（SIW）技术、工作于毫米波频谱的宽带圆极化（CP）孔径耦合元面天线。拟议的元面天线由两个基板组成。第一块基板包含一个端部扭曲的 SIW 部分，该部分蚀刻有一个槽。引入的元表面印制在第二块基板的顶部。元表面由 3 美元乘 3 美元的单元格组成，每个单元格包含两个相互连接的贴片和两个寄生贴片。下面将详细说明拟议的元面天线的工作机制。拟议的元面天线具有较宽的阻抗带宽和轴向比（AR）带宽，分别为 66.7% 和 40%。利用所提出的元面天线，本文为毫米波应用开发了一个 $4 \times 4$ CP 元面天线阵列，其阻抗带宽为 24%，AR 带宽为 30%，模拟峰值增益为 18.7 dBic。

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来源期刊

Chinese Journal of Electronics 工程技术-工程：电子与电气

CiteScore

3.70

自引率

16.70%

发文量

342

审稿时长

12.0 months

期刊介绍： CJE focuses on the emerging fields of electronics, publishing innovative and transformative research papers. Most of the papers published in CJE are from universities and research institutes, presenting their innovative research results. Both theoretical and practical contributions are encouraged, and original research papers reporting novel solutions to the hot topics in electronics are strongly recommended.

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