Propeller-Shaped Antenna: A Steerable Ultrawideband Planar Antenna

被引：2
|
作者：
Takemoto, Erika [1 ]
Hirose, Akira [1 ]
机构：
[1] Univ Tokyo, Dept Bioengn, Tokyo 1138656, Japan
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷
关键词：
Directive antenna; taper-slot antenna; ultrawide-band antenna; WALLED-LTSA ARRAY; RESOLUTION; HISTORY;
D O I：
10.1109/LAWP.2014.2330602
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：
We propose an ultrawideband planar antenna having a controllable radiation pattern for coarse steering to avoid fading in indoor communications. In the antenna, multiple tapered-slot antenna (TSA) elements are connected to a feeding part through p-i-n diode switches. The TSA elements have such wide aperture and round shape that the mutual coupling among them is effectively suppressed, resulting in sufficient steering ability. Simulation and experiments demonstrate that the radiation is switched to intended directions. Reflection S-11 is below or around -10 dB in the frequency range of 3.1-10.6 GHz independent of the switching condition. Basic characteristics are investigated and discussed.
引用
收藏
页码：1140 / 1143
页数：4
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