一种用于ISM波段应用的四分之一模式SIW天线

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM) Pub Date : 2017-11-01 DOI:10.1109/IAIM.2017.8402617

D. Chaturvedi, S. Raghavan

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引用次数: 2

摘要

本文提出了一种用于工业科学和医疗无线电频段(5.725-5.875 GHz)的5.8 GHz平面基板集成波导(SIW)空腔背天线。采用四分之一模SIW技术，实现了传统圆形SIW腔的3/4微型化。然后，为了提高带宽，刻蚀一个倾斜的矩形槽，实现TM210和TM020两个高阶模式的耦合。仿真结果表明，该天线在自由空间的阻抗带宽为350 MHz，峰值增益为7.5 dBi。为了观察人体对天线性能的影响，在猪肌肉等效模体上进行了模拟。阻抗带宽和峰值增益分别为352 MHz和7.76 dBi。该天线的性能在自由空间和在轨状态下没有变化，这证实了该天线的鲁棒性和适合离体通信。

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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A quarter-mode SIW based antenna for ISM band application

In this paper, a planar substrate integrated waveguide (SIW) cavity-backed antenna is proposed for the Industrial scientific and medical radio band (5.725-5.875 GHz) at 5.8 GHz. The miniaturization is achieved by 3/4th of the conventional circular SIW cavities by using the quarter-mode SIW technique. Later on, to enhance bandwidth, a tilted rectangular-slot is etched to realize coupling of two higher order modes TM210 and TM020. The simulated impedance bandwidth and the peak gain of the proposed antenna are obtained of 350 MHz and 7.5 dBi in free space. In order to see the influence of human body on the antenna performance, it is simulated over pork muscle equivalent phantom. The impedance bandwidth and peak gain for on-phantom are obtained of 352 MHz and 7.76 dBi, respectively. The performance of the antenna does not vary from free space to on-phantom, which confirms the proposed antenna is robust and fit for off-body communication.

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来源期刊

2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM)

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