一种适用于2G/3G/LTE/Sub-6G应用的低速宽带双极化全向天线

2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2022-08-21 DOI:10.1109/ICEICT55736.2022.9909337

Xiaohan Zhai, Jiahao Zhang, S. Yan

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引用次数: 0

摘要

针对2G/3G/LTE/sub-6G技术，设计了一种低轮廓宽带双极化全向天线。双极化天线由垂直极化的锥形梯度单极子和水平极化连接的维瓦尔第天线阵列两部分组成。将水平极化元件设计为垂直极化元件的金属接地，避免了水平极化元件靠近垂直极化元件金属接地时匹配变差的问题。因此，双极化天线实现了0.07 λmin的极低轮廓(λmin为工作频带中最小频率处的波长)。设计的天线实现了1.7 ~ 8ghz(130%)的重叠带宽，频带内隔离度高于20dB。在方位面上，VP和HP元件在工作频带内的模拟增益变化都小于3dB。

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 Low-profile Wideband Dual-Polarized Omnidirectional Antenna for 2G/3G/LTE/Sub-6G Applications

A low-profile wideband dual-polarized omnidirectional antenna is designed for 2G/3G/LTE/sub-6G technologies. The dual-polarized antenna consists of two parts, i.e., a vertically polarized tapered gradient monopole and a horizontally polarized connected Vivaldi antenna array. The horizontal polarization (HP) element is designed as the metal ground of the vertical polarization (VP) element to avoid match deterioration when the HP element is positioned closely to the metal ground of the VP element. Thus, the dual-polarized antenna realizes an extremely low profile of 0.07 λmin (λmin is the wavelength at the minimum frequency in the operational band). The designed antenna achieves an overlapping bandwidth of 1.7-8 GHz (130%) and an isolation higher than 20dB within the band. In the azimuth plane the simulated gain changes less than 3dB for both VP and HP elements within the operating band.

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2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEICT)

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