A Simple Wide-Bandwidth and High-Gain Microstrip Patch Antenna With Both Sides Shorted

被引：35
|
作者：
Wang, Zhe [1 ]
Liu, Juhua [1 ]
Long, Yunliang [1 ]
机构：
[1] Sun Yat Sen Univ, Dept Elect & Commun Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2019年 / 18卷 / 06期
关键词：
High gain; low cross-polarization level; TM03; mode; TM11; wide bandwidth; BAND; DESIGN; SLOT;
D O I：
10.1109/LAWP.2019.2911045
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 simple microstrip patch antenna with wide bandwidth and high gain is presented and investigated. It is built on a long rectangular patch with both sides shorted. The antenna is investigated with a cavity model analysis. With a proper design, the TM03 and TM11 modes are excited and combined to achieve a wide bandwidth. In the operation band, the antenna provides a high-gain unidirectional beam around broadside. A prototype is fabricated and measured. Measured results show that the antenna with an overall size of 1.29 lambda(0) x 0.73 lambda(0) x 0.036 lambda(0) (lambda(0) is the wavelength in free space) provides a wide bandwidth of 13.2% (|S-11| < -10 dB). In the operation band, the antenna has a stable high gain varying from 8.0 to 9.7 dBi and a low cross-polarization level of about -25 dB.
引用
收藏
页码：1144 / 1148
页数：5
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