An Ultra-Wideband Multimode Dual-Polarized Metasurface Antenna

IF 1.1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2026-06-26 DOI:10.1002/mop.70682

Ruiqi Li, Xiang Zhang, Jingwen Wang, Weidong Chen, Chang Chen

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Abstract

This paper presents an ultra-wideband (UWB) dual-polarized metasurface antenna for applications such as sub-6 GHz 5G, Wi-Fi 6, C-band, and part of the X-band satellite and radar systems. Based on a slot-coupled microstrip antenna, the proposed design operates over 3.1–10.1 GHz (106% fractional bandwidth) through systematic optimization of the feeding slot, metasurface, and feed line, guided by surface-current and impedance-resonance analyses. The antenna provides a maximum realized gain of 12.0 dBi and an average in-band gain of 10.6 dBi, with an average efficiency of 90%. It also features a low profile of 0.04 $λ$ at 3.1 GHz. With a dual-port, dual-linear-polarization configuration, the antenna exhibits high isolation (in-band $∣ S_{12} ∣ < - 29$ dB) and a low envelope correlation coefficient (ECC) below 0.0001, making it suitable for multiple-input multiple-output (MIMO) systems.

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一种超宽带多模双极化超表面天线

本文提出了一种超宽带（UWB）双极化超表面天线，适用于sub-6 GHz 5G、Wi-Fi 6、c波段以及部分x波段卫星和雷达系统。该设计基于槽耦合微带天线，在表面电流和阻抗共振分析的指导下，通过系统优化馈电槽、超表面和馈电线，工作在3.1-10.1 GHz（106%分数带宽）范围内。该天线的最大实现增益为12.0 dBi，平均带内增益为10.6 dBi，平均效率为90%。它还具有3.1 GHz时0.04 λ的低轮廓。该天线采用双端口双线极化配置，具有高隔离性（带内∣S 12∣<；−29 dB）和低于0.0001的低包络相关系数（ECC）。使其适用于多输入多输出（MIMO）系统。

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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication