A novel CPW-FED circular square-corner fractal antenna with varying notch-band for UWB applications

2012 International Conference on Communication, Information & Computing Technology (ICCICT) Pub Date : 2012-12-31 DOI:10.1109/ICCICT.2012.6398126

K. Sawant, R. Kumar, A. Gaikwad

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引用次数: 9

Abstract

The design of this paper represents the novel cpw-fed circular square corner fractal antenna with varying notch-band frequency characteristics. The position and width of the notch-band can be adjusted in the entire operating band. A prototype of the antenna has been designed on FR4-Epoxy substrate dielectric constant 4.4 and thickness h=1.53 mm with a N-shape slot in coplanar waveguide feed of length L = 7.4 mm and slot width W = 2.8 mm. The experimental result of this antenna exhibits ultra wide band characteristics from frequency 3.1 GHz to 15.0 GHz. The notch in operating band helps to reduce the interference with the frequency bands of Wireless Local Area Network (WLAN). The simulated and experimental return losses are found in good agreement. The experimental radiation of this antenna in azimuth plane is nearly omni-directional. This proposed cpw-fed circular square corner fractal antenna with varying notch-band frequency characteristics can thus be used for Ultra wide band (UWB) system, microwave imaging, precision position system, and radar tracking system.

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一种用于超宽带应用的新型CPW-FED变陷波带圆方角分形天线

本文设计了一种具有变陷波带频率特性的新型cpw馈电圆方角分形天线。缺口带的位置和宽度可以在整个操作带中调节。在介电常数为4.4、厚度为h=1.53 mm的fr4 -环氧基板上设计了天线样机，共面波导馈电中n形槽长L = 7.4 mm，槽宽W = 2.8 mm。实验结果表明，该天线在3.1 GHz ~ 15.0 GHz范围内具有超宽带特性。工作频段的陷波有助于减少对无线局域网(WLAN)频段的干扰。仿真结果与实验结果吻合较好。该天线在方位面上的实验辐射几乎是全向的。该分形天线可用于超宽带(UWB)系统、微波成像系统、精密定位系统和雷达跟踪系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 International Conference on Communication, Information & Computing Technology (ICCICT)

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