Three beam switched top loaded monopole antenna

被引：3
|
作者：
Michishita, N [1 ]
Nakayama, Y
Arai, H
Mori, K
机构：
[1] Natl Def Acad, Dept Elect & Elect Engn, Yokosuka, Kanagawa 2398686, Japan
[2] Yokohama Natl Univ, Dept Elect & Comp Engn, Yokohama, Kanagawa 2408501, Japan
[3] Sony Corp, Semicond Solut Network Co, Atsugi, Kanagawa 2430014, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2005年 / E88B卷 / 06期
关键词：
unidirectional antenna; beam switched antenna; top loaded monopole antenna; planar antenna; front to back ratio;
D O I：
10.1093/ietcom/e88-b.6.2291
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：
The three beam-switched top-loaded antenna is suited to be applied to a wireless local area network to switch the radiation pattern by arranging several unidirectional antennas. In this paper, a three beam switched top loaded monopole antenna is proposed to realize its small size and planar structure. Three top loaded monopole antennas are arranged around a parasitic hexagonal patch at intervals of 120 degrees. The feed element is selected by the switching device to switch the radiation pattern. This antenna allows for reduction in the number of elements as well as downsizing. The front to back ratio (F/B) becomes 23 dB by selecting suitable parameters.
引用
收藏
页码：2291 / 2296
页数：6
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