Design & Simulation of a Compact UWB Microstrip Filtenna

Reeta Verma, R. Gangwar
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Abstract

In this research paper, design & simulation of a super wide band microstrip patch antenna, a ultrawideband (UWB) microstrip filter and a UWB microstrip filtenna using HFSS vs 15 software have been proposed. Firstly, a rectangular shape monopole patch antenna and a parallel coupled microstrip UWB bandpass filter (BPF) are separately designed. The proposed antenna is designed on a low cost FR4 substrate with height of 1.6mm and loss tangent of 0.02. The antenna is then integrated with UWB bandpass filter. The integrated antenna filter system is called UWB filtering antenna or filtenna. Simulated results in the terms of peak gain and bandwidth for the proposed antenna are obtained 5.9 dBi and 16.9 GHz in the frequency range 3.1 to 20 GHz, respectively. It is seen that the BPF shows the simulated transmission characteristics in the entire UWB band in better extend. The simulated result of the proposed filtenna exhibits better frequency response in UWB range as well as better out of band rejection capability. Compact size and bandwidth of the proposed UWB microstrip filtenna which exhibits better UWB band characteristics are obtained as 15 x 27 mm2 and 7.46 GHz in the frequency range 3.1 to 10.6 GHz, respectively.
紧凑型超宽带微带滤波器的设计与仿真
本文采用HFSS vs 15软件对超宽带微带贴片天线、超宽带(UWB)微带滤波器和超宽带微带滤波器进行设计与仿真。首先,分别设计了矩形单极贴片天线和并联耦合微带UWB带通滤波器。该天线设计在低成本的FR4基板上,高度为1.6mm,损耗正切为0.02。然后将天线与UWB带通滤波器集成。集成天线滤波系统称为超宽带滤波天线或滤波器。仿真结果表明,在3.1 ~ 20 GHz频率范围内,天线的峰值增益为5.9 dBi,带宽为16.9 GHz。可以看出,BPF在整个UWB波段内的模拟传输特性得到了更好的扩展。仿真结果表明,该滤波器在超宽带范围内具有较好的频率响应和较好的带外抑制能力。在3.1 ~ 10.6 GHz频率范围内,所设计的超宽带微带滤波器尺寸紧凑,带宽为15 × 27 mm2, 7.46 GHz,具有较好的超宽带特性。
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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