一种应用于5G的紧凑型阵列天线设计
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国家自然科学基金资助项目(61671200);河北省自然科学基金重点资助项目(F2017202283)

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Design of a compact antenna array applied to 5G
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    摘要:

    提出一种应用于5G的紧凑型阵列天线,由4个天线单元相互正交放置,通过在天线单元之间的上下两个平面分别添加4个二分之一波长的微带线,提高了天线单元间的隔离度。利用高频电磁仿真软件,对所提天线单元及阵列结构进行分析。实验结果表明,阵列天线的工作频段分别为2.72~3.92 GHz和4.74~5.42 GHz,在工作频段内各天线单元间的隔离度均低于-20 dB,完全覆盖5G所需的3.3~3.6 GHz和4.8~5.0 GHz两个工作频段。该阵列天线结构紧凑,体积仅为68.5 mm×68.5 mm×1.524 mm,能够被5G的小型化便携设备所应用。

    Abstract:

    A compact antenna array applied to 5G is designed, which is set approximately orthogonally by four antenna elements, and four half-wavelength microstrip lines are added to the upper and lower planes between the antenna elements to improve the isolation. The structure of the proposed antenna element and antenna array have been analyzed by high-frequency electromagnetic simulation software, and verified by experiments. The experimental results show that the operating frequency bands of the antenna array are 2.72-3.92 GHz and 4.74-5.42 GHz, respectively. The isolation between antenna elements is lower than -20 dB in the operating frequency band, covering two operating bands of 3.3-3.6 GHz and 4.8-5.0 GHz required for 5G completely. The antenna array is compact, only in the size of 68.5 mm× 68.5 mm×1.524 mm, which can be applied to 5G miniaturized portable devices.

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唐 灿,郑宏兴,王 辂,苗三朋,王蒙军,李尔平.一种应用于5G的紧凑型阵列天线设计[J].太赫兹科学与电子信息学报,2020,18(6):1015~1019

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  • 收稿日期:2019-06-14
  • 最后修改日期:2019-08-16
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  • 在线发布日期: 2020-12-28
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