This article presents a dual‐band shared‐aperture antenna. The lower‐band antenna consists of two printed dipoles operated in a 1.6‐2.4 GHz frequency band. An artificial magnetic conductor (AMC) is used to reduce the lower‐band antenna profile. The higher‐band antenna consists of 4 × 2 aperture coupling patches operated in 5.3‐7.1 GHz frequency band and placed between the antenna ground plane and the AMC. The AMC elements act as a bandpass frequency‐selective surface for the higher‐band antenna. Simulated and measured results show that the proposed antenna has 40% and 29% impedance and 3‐dB gain bandwidths for the lower‐band and higher‐band antennas, respectively, and port isolation of less than −20 dB.

中文翻译：

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一种基于带透明元件的人造磁导体的薄型双频共享孔径天线

本文介绍了一种双频共享孔径天线。低频段天线由两个在1.6-2.4 GHz频段工作的印刷偶极子组成。使用人造磁导体（AMC）可以减小低频段天线的轮廓。高频段天线由工作在5.3-7.1 GHz频段的4×2孔径耦合贴片组成，并位于天线接地层和AMC之间。AMC元素充当较高频段天线的带通频率选择表面。仿真和测量结果表明，所建议的天线分别针对低频段和高频段天线具有40％和29％的阻抗以及3 dB的增益带宽，端口隔离度小于-20 dB。