Reconfigurable square-ring patch antenna with pattern diversity

被引：123
作者：
Chen, Shing-Hau [1 ]
Row, Jeen-Sheen
Wong, Kin-Lu
机构：
[1] Natl Changhua Univ Educ, Dept Elect Engn, Changhua 500, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 02期
关键词：
patch antennas; pattern diversity; reconfigurable antennas;
D O I：
10.1109/TAP.2006.889950
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 single-feed reconfigurable square-ring patch antenna with pattern diversity is presented. The antenna structure has four shorting walls placed respectively at each edge of the square-ring patch, in which two shorting walls are directly connected to the patch and the others are connected to the patch via pin diodes. By controlling the states of the pin diodes, the antenna can be operated at two different modes: monopolar plat-patch and normal patch modes; moreover, the 10 dB impedance bandwidths of the two modes are overlapped. Consequently, the proposed antenna allows its radiation pattern to be switched electrically between conical and broadside radiations at a fixed frequency. Detailed design considerations of the proposed antenna are described. Experimental and simulated results are also shown and discussed.
引用
收藏
页码：472 / 475
页数：4
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