面向5G无线的21.6-45 GHz低轮廓宽带槽天线阵列

2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting Pub Date : 2020-07-05 DOI:10.1109/IEEECONF35879.2020.9329559

Wei Li, H. Qian, Xun Luo

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引用次数: 1

摘要

本文提出了一种低功耗、高增益、高效率的21.6-45 GHz印刷$1\ × 4$天线阵列。该天线阵列由一个同相1:4功率分配器和四个槽天线单元组成。每个天线单元由$50\ \Omega$微带输入/输出(I/O)端口提供，由一个c形槽线和两个带有嵌入式缺陷接地结构(DGS)的环形槽组成。该结构引入了多个谐振，以实现较宽的工作带宽。为了验证上述机制，实现并制作了一个宽带槽天线阵列，其紧凑尺寸为$28\ × 40\ × 0.254\ \text{mm}^{3}$。测量结果显示，在21.6 - 45 GHz范围内，阻抗带宽为70.3%。具有如此高的性能，所提出的宽带天线阵列可以成为5G通信系统的良好候选者。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 21.6-45 GHz Low-Profile Wideband Slot Antenna Array for 5G Wireless

In this paper, a low-profile 21.6-45 GHz printed $1\times 4$ antenna array with high gain and efficiency is presented. Such antenna array is composed of an in-phase 1:4 power divider and four slot antenna elements. Each antenna element fed by the $50\ \Omega$ microstrip input/output (I/O) port consists of a C-shaped slotline and two ring slots with embedded defected ground structure (DGS). Multiple resonances are introduced by the proposed structure to achieve a wide operation bandwidth. To verify the mechanism mentioned above, a wideband slot antenna array is implemented and fabricated with a compact size of $28\times 40\times 0.254\ \text{mm}^{3}$. The measured result exhibits a 70.3% impedance bandwidth operating from 21.6 to 45 GHz. With such high performance, the proposed wideband antenna array can be a good candidate for 5G communication systems.

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

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