高隔离双极化贴片天线阵列

2020 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2020-07-01 DOI:10.1109/IMWS-AMP49156.2020.9199713

Lu Chen, Wanchen Yang, W. Che, Q. Xue

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引用次数: 0

摘要

设计了一种基于1x2子阵的新型高隔离双极化贴片天线阵列。通过简单地在同一层天线周围加载若干u型和i型接地带，并在同一层天线周围设置一个大的交叉带，可以提高2x2阵列中不同子阵之间或同一子阵中不同极化之间的隔离度。因此，在3.4GHz ~ 3.6GHz相对较宽的频段内，2x2双极化天线阵列不同端口之间的所有隔离都可以达到超过25 dB的非常高的水平。此外，这些条带对天线阵列的辐射特性影响很小，可以保证天线的正常工作。

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High-isolation Dual-polarized Patch Antenna Array

A novel high-isolation dual-polarized patch antenna array based on 1x2 sub-array is designed. The isolations between different sub-arrays or different polarizations in the same subarray of the 2x2 array are promoted by simply loading several U-type and I-type grounded strips together with a big cross strip around the antennas on the same layer. Consequently, all isolations between different ports of the 2x2 dual-polarized antenna array can achieve a very high level of over 25 dB in a relatively broad band of 3.4GHz ~ 3.6GHz. Moreover, these strips have little influence on radiation characteristics of the antenna array, which can ensure that the antenna is working properly.

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来源期刊

2020 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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