A quadrature-hybrid-integrated reconfigurable feeding network for wideband quad-polarization-agile antenna design

被引：2
|
作者：
Wang, Shi Tong [1 ]
Sun, Sheng [1 ]
Sun, Hucheng [2 ]
Yang, Shiwen [1 ]
Hu, Jun [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
[2] Nanjing Univ Informat Sci & Technol, Res Ctr Appl Electromagnet, Nanjing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2021年 / 31卷 / 06期
基金：
中国国家自然科学基金;
关键词：
antenna feeding network; bandwidth enhancement; quad‐ polarization; reconfigurable antenna; wideband;
D O I：
10.1002/mmce.22641
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this article, a reconfigurable antenna with quad-polarization radiations is proposed based on a switchable feeding network. A wideband quad-mode feeding network is first designed by integrating a simple impedance converter with a modified hybrid coupler. By switching the p-i-n diodes, four-transmission status with specific amplitudes and phase differences at feeding output ports can be obtained over a wide frequency range, hence enhancing the radiating bandwidth of two linear and two circular polarizations. Finally, a prototype of the proposed quad-polarization-agile reconfigurable antenna is designed and fabricated. The measured results show a wide overlapped bandwidth of 782 to 1010 MHz (25.4%) for all four polarizations with a competitive size and gain performance.
引用
收藏
页数：10
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