Wideband and High-Gain Q-Band Substrate Integrated Cavity Antenna and Array

被引：1
|
作者：
Jiang, Zhuo-Xi [1 ]
Han, Ke [1 ]
Deng, Zhong-Liang [1 ]
Huang, Guan-Long [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
[2] Foshan Univ, Foshan 528225, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 07期
关键词：
Antenna array; high-gain; millimeter-wave (MMW); substrate integrated cavity (SIC); wideband; PATCH ANTENNA; GUIDE;
D O I：
10.1109/LAWP.2024.3376549
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：
A novel substrate integrated cavity (SIC) antenna element featuring wideband and high-gain performance is presented for millimeter-wave communication in this letter. To acquire a stable radiation performance and wide bandwidth, the TM211 mode is utilized in the cavity, and its electromagnetic field distribution is maintained over the operating frequency by an H-shaped patch loaded on the open-ended SIC. The antenna element and a 4x4 array are designed andmanufactured for the proof of concept. The proposed antenna element has a measured wide bandwidth of 35.67% from 31.31 to 44.91 GHz and a measured peak gain of up to 11.3 dBi. The measured impedance bandwidth of the array is 32.71%, with a maximum gain of 21.8 dBi occurring at 40 GHz. Stable boresight radiation patterns are obtained, and the measured levels of cross polarization are achieved below -30 dB.
引用
收藏
页码：1996 / 2000
页数：5
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