Double-Layer Full-Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band
Double-Layer Full-Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band
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DOI：
10.1109/tap.2011.2158784
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发表时间：
2011-06
影响因子：
5.7
通讯作者：
Y. Miura;J. Hirokawa;M. Ando;Y. Shibuya;G. Yoshida
中科院分区：
文献类型：
--
作者：
Y. Miura;J. Hirokawa;M. Ando;Y. Shibuya;G. Yoshida
为了实现高增益、高效率的宽频带特性，提出了一种双层中空波导缝隙阵列，其中下层布置了一个全馈电的波导。该天线可通过层压金属薄板的扩散焊接工艺制作，具有较高的精度，可能是一种低成本的技术。辐射元件和馈电波导被设计成抑制宽带上的反射。对于16×16单元阵列天线，预测的反射带宽小于-14分贝为8.3%。在60 GHz频段制作了测试天线，在4.8 GHz以上实现了约80%的天线效率，32dBI以上。
In order to achieve a wide bandwidth characteristic of high gain and high efficiency antennas, a double-layer hollow-waveguide slot array is proposed, where a full-corporate-feed waveguide is arranged in the lower layer. This antenna can be built up easily by the process of diffusion bonding of laminated thin metal etching plates, which has high precision and is possibly a low cost technique. The radiating elements and the feed waveguide are designed to suppress the reflection over a wideband. The predicted bandwidth of the reflection less than -14 dB is 8.3% for a 16 × 16-element array antenna. A test antenna is fabricated in the 60-GHz band, and about 80% antenna efficiency with more than 32 dBi is achieved over 4.8 GHz.