CPW-Fed Koch Fractal Slot Antenna for WLAN/WiMAX Applications

被引：77
|
作者：
Das Krishna, Deepti [1 ]
Gopikrishna, M. [1 ]
Anandan, C. K. [1 ]
Mohanan, P. [1 ]
Vasudevan, K. [1 ]
机构：
[1] Cochin Univ Sci & Technol, Dept Elect, Cochin 682022, Kerala, India
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷
关键词：
CPW-fed slot antenna; printed fractal slot antenna; wide-band antenna; WLAN antennas;
D O I：
10.1109/LAWP.2008.2000814
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 dual wide-band CPW-fed modified Koch fractal printed slot antenna, suitable for WLAN and WiMAX operations, is proposed in this paper. Here, the operating frequency of a triangular slot antenna is lowered by the Koch iteration technique resulting in a compact antenna. Studies on the impedance and radiation characteristics of the proposed antenna indicate that a modified Koch fractal slot antenna has an impedance bandwidth from 2.38 to 3.95 GHz and 4.95-6.05 GHz covering 2.4/5.2/5.8 GHz WLAN bands and the 2.5/3.5/5.5 GHz WiMAX bands. The antenna exhibits omnidirectional radiation coverage with a gain better than 2.0 dBi in the entire operating band. Empirical relations are deduced and compared with the results.
引用
收藏
页码：389 / 392
页数：4
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