一种小型双极化微带阵列天线，适用于小型基站

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI:10.1109/MMWCST.2012.6238115

Bingdou Li, Shiwen Yang, Ming Huang, Z. Nie

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引用次数: 3

摘要

本文设计了一种适用于小型基站的2×2高隔离、低交叉极化辐射特性的紧凑型双极化微带阵列天线。该阵列天线在VSWR <时提供7.7%的阻抗带宽;1.4，工作在2.6 GHz左右。阵列天线总厚度约为0.052λ0，阵列尺寸为160×160 mm2。在带宽范围内实现了大于12dbi的增益。通过引入双馈技术和修改贴片的形状，在整个带宽范围内，两个极化端口之间的隔离度高于30 dB。E和H平面的交叉极化电平均小于- 30db。

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 compact and dual-polarized microstrip array antenna for mini base station applications

The design of a 2×2 compact dual-polarized microstrip array antenna with high isolation and low cross-polarized radiation characteristics for mini base station applications is presented in this paper. The array antenna provides an impedance bandwidth of 7.7% for VSWR <; 1.4, operating around 2.6 GHz. The total thickness of the array antenna is about 0.052λ0 and the array dimension is 160×160 mm2. A gain of higher than 12 dBi is achieved within the bandwidth. By introducing the dual-feed technique and modifying the shape of patches, the isolation between the two polarized ports is higher than 30 dB over the entire bandwidth. The cross-polarization levels in both of the E and H planes are all less than -30 dB.

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The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology

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