Design of ultra wideband rectangular microstrip notched patch antenna

2013 IEEE International Conference on Control System, Computing and Engineering Pub Date : 2013-11-01 DOI:10.1109/ICCSCE.2013.6719999

R. A. Fayadh, F. Malek, H. Fadhil, N. Saudin

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引用次数: 3

Abstract

The UWB is 7.5 GHz (from 3.1 GHz to 10.6 GHz) was defined by Federal Communications Commission (FCC) for high data rate wireless communication systems. This band needs special and active antenna for transmission and reception of wideband signals. So that, the design of UWB antenna plays very important role in indoor and outdoor wireless systems. Because of more challenges toward the wireless communication, i.e., inter-symbol interference, multi-access interference, and narrow band system interference, the UWB antenna should have the capability of operation during these challenges. The notched microstrip patch antenna was designed using CST microwave studio with limited dimensions and the results are accepted for the UWB that was allocated by FCC. The proposed antenna was fabricated on printed circuit board (PCB) with same dimensions and analysis. Taconic TLY-5 substrate material was used in this small size antenna to give low cost and lighter than those made of FR4 substrate material. The measured results are nearly identical with those of simulation for return loss (S11) and voltage standing wave ratio (VSWR). The simulated radiation patterns are nearly omni-directional radiations over the UWB bandwidth.

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超宽带矩形微带缺口贴片天线的设计

7.5 GHz(从3.1 GHz到10.6 GHz)是美国联邦通信委员会(FCC)为高数据速率无线通信系统定义的超宽带。该频段需要专用的有源天线来传输和接收宽带信号。因此，超宽带天线的设计在室内和室外无线系统中起着非常重要的作用。由于无线通信面临着符号间干扰、多址干扰和窄带系统干扰等挑战，超宽带天线必须具备应对这些挑战的能力。利用CST微波工作室设计了尺寸有限的缺口微带贴片天线，设计结果可用于FCC分配的超宽带。所提出的天线是在相同尺寸和分析的印刷电路板(PCB)上制作的。小尺寸天线采用Taconic TLY-5衬底材料，比FR4衬底材料成本低，重量轻。回波损耗(S11)和电压驻波比(VSWR)的测量结果与仿真结果基本一致。模拟的辐射方向图几乎是UWB带宽上的全向辐射。

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2013 IEEE International Conference on Control System, Computing and Engineering

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