Shoulder-mounted planar antenna for mobile radio applications

被引：23
|
作者：
Ogawa, K [1 ]
Uwano, T
Takahashi, M
机构：
[1] Matsushita Elect Ind Co Ltd, Device Engn Dev Ctr, Osaka 571, Japan
[2] Matsushita Commun Ind Co, Commun Syst Div, Yokohama, Kanagawa 223, Japan
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2000年 / 49卷 / 03期
关键词：
human body-mounted antenna; PIFA;
D O I：
10.1109/25.845120
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 new planar antenna, suitable fur use on a shoulder, has been studied for police and fire service portable radios In the 350-MHz band, This shoulder-mounted antenna, which is a type of planar inverted F antenna (PIFA), features extreme compactness while maintaining a higher gain than that of a conventional whip antenna and small impedance changes in the presence of a human body. The low-profile structure enables the antenna to he unseen when the operator wears a jacket, A prototype of the antenna has been built and tested, and the measured impedance characteristics and the radiation patterns are presented. Emphasis is placed on the effect of the human body, The antenna provides a gain of -5.5 dBd, which is 3.5 db higher than that of a whip antenna, Field measurements verified the excellent performance under a multiple propagation environment.
引用
收藏
页码：1041 / 1044
页数：4
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