A Simple and Cost-Effective Bidirectional Antenna Using a Probe Excited Circular Ring
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概要
- 論文の詳細を見る
This paper presents a simple and cost-effective bidirectional antenna using a probe excited circular ring. The structure of the antenna is simple i.e., a linear electric probe surrounded by the circular ring. The principle of the antenna design is easy and straightforward. A choice of the ring radius is first chosen to achieve the condition that only the dominant mode can be propagated. Furthermore, it is found that for a specific ring radius, the radiation patterns of the antenna are varied as the ring width. Then, the optimum ring width that provides the maximum directivity is determined. The criterion of the selection of the ring width for various ring radii is illustrated as the guidelines for the antenna design. The fabricated antennas at the operating frequency of 1.9065GHz are measured and compared with the theoretical predictions. It is apparent that these results are in reasonable agreement. The bidirectional pattern with the gain of 5.4dBi over the bandwidth of 17% is obtained. Moreover, the antenna can be easily fabricated with the low production cost. Therefore, this antenna is suitable for installing at the base station in the street cell.
- 社団法人電子情報通信学会の論文
- 2001-04-01
著者
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Phongcharoenpanich Chuwong
The Faculty Of Engineering And Research Center For Communications And Information Technology King Mo
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Kosulvit S
King Mongkut's Inst. Technol. Ladkrabang
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KOSULVIT Sompol
the Faculty of Engineering and Research Center for Communications and Information Technology, King M
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KRAIRIKSH Monai
the Faculty of Engineering and Research Center for Communications and Information Technology, King M
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WAKABAYASHI Toshio
School of Engineering, Tokai University
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Krairiksh M
Faculty Of Engineering And Research Center For Communications And Information Technology King Mongku
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Wakabayashi T
School Of Information Technology And Electronics Tokai University
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Wakabayashi Toshio
School Of Engineering Tokai University
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