一种基于三模复合传输线的方向/极化分集天线

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI) Pub Date : 2021-12-04 DOI:10.1109/APS/URSI47566.2021.9703911

K. Sun, Boning Wang, Sihao Liu, Yanwen Zhao, Deqiang Yang

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引用次数: 0

摘要

在这种通信中，提出了一种用于毫米波的方向和极化分集天线。采用多模传输线驱动三种辐射模式，即三种不同的辐射模式完全共用辐射孔径和激励传输线。多模复合传输线将所有传输模式的场限制在同一空间内，极大地简化了传统天线复杂的馈电网络，使其具有多种辐射方向图。设计了一个工作在28 GHz的原型，重叠带宽为13.8%。通过tem模式、tel0模式和特殊折叠te20模式分别激发空心束辐射、垂直极化火端辐射和水平极化火端辐射。

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A Pattern/Polarization Diversity Antenna Based on Three-mode Composite Transmission Line

In this communication, a pattern and polarization diversity antenna is proposed for millimeter-wave application. The multi-mode transmission line is adopted to drive the three radiation mode, which means the three different radiation modes totally share the radiation aperture and excitation transmission line. The multi-mode composite transmission line confine the fields of all transmission modes in the same space, which greatly simplifies the complex feed network of conventional antennas with diversified radiation patterns. A prototype working at 28 GHz is designed with a overlapped bandwidth of 13.8%. Hollow beam radiation, vertically polarized end-fire radiation and horizontally polarized end-fire radiation are respectively excited by TEM-mode, TEl0-mode and a special folded TE2o-mode.

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来源期刊

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)

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