利用分形缺陷地面结构降低毫米波阵列天线互耦

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634210

Jingxia Qiang, F. Xu, Wenjun Fan

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引用次数: 5

摘要

采用分形缺陷接地结构(fractal - dgs)设计了一种工作频率为11.4 ~ 11.78 GHz的高隔离、高增益、紧凑贴片天线阵列。仿真了该天线阵列的隔离性能和辐射性能，并与不含分形dgs的传统贴片天线阵列进行了比较。根据本文所述，在工作频率下的互耦为- 33dB，比传统天线阵列降低了13dB。而且它的辐射方向也比传统天线好。该天线阵列具有较高的隔离性和稳定的定向辐射方向图，是毫米波通信系统的理想选择。

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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Reducing Mutual Coupling of Millimeter Wave Array Antennas by Fractal Defected Ground Structure

A high isolation, high gain and compact patch antenna arrays that operates in 11.4–11.78 GHz by using fractal defected ground structure (Fractal-DGS) is designed. Performance of the antenna arrays, such as isolation and radiation, are simulated and compared with conventional patch antenna array without Fractal-DGS. As is presented in this paper, the mutual coupling is −33dB at working frequency, it reduces 13dB compared with the traditional antenna array. And the radiation direction is better than conventional antennas too. Higher isolation and stable directional radiation pattern make this antenna array a better choice for millimeter wave communication system.

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2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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