Design of the tree-shaped UWB antenna using fractal concept

被引：5
|
作者：
Song, Hyo-Won [1 ]
An, Hee-Soon [1 ]
Lee, Jung-Nam [1 ]
Park, Jong-Kweon [1 ]
Kim, Jin-Suk [1 ]
机构：
[1] Hanbat Natl Univ, Dept RadioWave Engn, Taejon 305719, South Korea
来源：
2007 KOREA-JAPAN MICROWAVE CONFERENCE, TECHNICAL DIGEST | 2007年
关键词：
UWB antenna; MB-OFDM; DS-CDMA; fractal antenna; partial ground plane; tree-shaped;
D O I：
10.1109/KJMW.2007.4402243
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：
In this paper, we have proposed a novel tree-shaped ultra-wideband antenna for UWB applications. We have used the partial ground plane technique and the fractal concept to achieve an ultra-wideband impedance matching. It is found that as the number of iteration increases, the lower-edge of the impedance bandwidth is moved to the low frequency and the level of the impedance matching over the operating frequency band(3.1 similar to 4.8 GHz) is improved. Prototypes of the proposed antennas have been successfully implemented and good radiation characteristics in the operating frequency bands have been achieved. The effect of the angle between upper and lower trapezoids on the return loss was also studied.
引用
收藏
页码：73 / 76
页数：4
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