Bandwidth Enhancement Method for Low Profile E-Shaped Microstrip Patch Antennas

被引：76
|
作者：
Chen, Yikai [1 ]
Yang, Shiwen [1 ]
Nie, Zaiping [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2010年 / 58卷 / 07期
关键词：
Low profile; microstrip antennas; wideband antennas; U-SLOT; SHORTED PATCH; SINGLE-PATCH; RING; DESIGN;
D O I：
10.1109/TAP.2010.2048850
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 bandwidth enhancement method for low profile E-shaped patch antennas is presented. By introducing a distributed LC circuit to the E-shaped patch antenna, a new resonant frequency close to that of the E-shaped patch is obtained, thus the bandwidth is widened. Moreover, the air thickness of the E-shaped patch antennas is reduced to only 0.0344 lambda(0). A prototype antenna operated at AMPS band (824-894 MHz) was fabricated and measured. Measured results show that the designed low profile antenna has an impedance bandwidth over 9% for VSWR < 2, with a satisfactory radiation performance within the bandwidth. The proposed method is also applicable to the design of other types of low profile slot-loaded patch antennas.
引用
收藏
页码：2442 / 2447
页数：7
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