Development of CPW-fed UWB Printed slot antenna

2010 National Conference On Communications (NCC) Pub Date : 2010-03-15 DOI:10.1109/NCC.2010.5430173

J. William, R. Nakkeeran

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引用次数: 16

Abstract

In this paper, design and analysis of compact coplanar waveguide (CPW) fed ultra wideband (UWB) slot antenna is presented. The proposed antenna has a simple structure consisting of a rectangular slot and a triangular patch at the anterior portion of the feed that acts as tuning stub of the antenna. The analysis of the proposed antenna is performed by using MoM based electromagnetic solver, IE3D. The designed antenna is fabricated using FR4 substrate with 1.6 mm thickness. The return loss and standing wave ratio of the developed antenna are measured and compared, which shows that measured result is in good agreement with simulation. With the above structural features the overall dimension of the antenna is 21mm×20mm×1.6mm and the fractional impedance bandwidth of the antenna is about 99% with return loss better than −10 dB (VSWR < 2). It is also seen that the proposed antenna has relatively stable omni directional radiation pattern in the H plane and bidirectional radiation pattern in the E plane over the frequency range of 4.1 GHz to 12.1 GHz. To verify the suitability of the antenna for transmission and reception of narrow pulses, the time domain analysis is also investigated and presented.

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cpw馈电超宽带印刷槽天线的研制

本文介绍了紧凑共面波导馈电超宽带(UWB)缝隙天线的设计与分析。所提出的天线具有简单的结构，包括在作为天线的调谐存根的馈电的前部的矩形槽和三角形贴片。利用基于MoM的电磁求解器IE3D对该天线进行了分析。设计的天线采用厚度为1.6 mm的FR4基板制作。对所研制天线的回波损耗和驻波比进行了测量和比较，结果表明测量结果与仿真结果吻合较好。在上述结构特征下，天线的整体尺寸为21mm×20mm×1.6mm，分数阻抗带宽约为99%，回波损耗优于- 10 dB (VSWR < 2)。在4.1 GHz ~ 12.1 GHz频率范围内，天线在H平面具有相对稳定的全向辐射方向图和E平面的双向辐射方向图。为了验证该天线对窄带脉冲的发射和接收的适用性，还研究并提出了时域分析。

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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2010 National Conference On Communications (NCC)

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