Broadband High-Gain Empty SIW Cavity-Backed Slot Antenna

被引：13
作者：
Wang, Ren [1 ,2 ]
Duan, Yu [3 ]
Song, Yu [3 ]
Zhao, Wu-Guang [3 ]
Lv, Yan-He [3 ]
Liang, Mu-Sheng [1 ,2 ]
Wang, Bing-Zhong [3 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 611731, Peoples R China
[2] Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou 313001, Peoples R China
[3] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 611731, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Slot antennas; Substrates; Antennas; Broadband antennas; Bandwidth; Antenna measurements; Electric fields; Broadband; cavity-backed antenna; empty substrate-integrated waveguide (ESIW); high gain; CIRCULARLY-POLARIZED ANTENNA; DESIGN; ARRAY;
D O I：
10.1109/LAWP.2021.3103751
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To broaden the bandwidth of high-gain substrate-integrated waveguide (SIW) cavity-backed slot antennas, an empty SIW (ESIW) cavity-backed antenna with multiple high-order hybrid modes is proposed. Due to the ESIW configuration, the proposed antenna is independent on substrates and a high efficiency more than 90% in the operational band can be realized even the typical low-cost high-loss FR4 substrate is used. The proposed antenna has a wide measured bandwidth of 40.8% and the maximum measured realized gain can reach 11.1 dBi. The proposed broadband high-gain antenna can be used in radar and communication systems.
引用
收藏
页码：2073 / 2077
页数：5
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