A Multi-Resonant Microstrip Patch Antenna with Fractal Defected Ground Structure

2019 1st International Conference on Advanced Technologies in Intelligent Control, Environment, Computing & Communication Engineering (ICATIECE) Pub Date : 2019-03-01 DOI:10.1109/ICATIECE45860.2019.9063850

Sreepriya S, Nikhil George, S. Amit

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引用次数: 2

Abstract

A microwave component with frequency selective structures enhances many of the antenna parameters gaining popularity among many techniques. A microstrip patch antenna parameter is studied and its performance is compared with defected ground plane. This paper presents a way in which we convert single resonant antenna to a multi-resonant antenna by adding a fractal defect in the ground plane. The number of resonant frequencies depends on the number of iterations of defect structure. Three resonant frequencies of 2.3GHz, 4GHz and 4.2GHz are achieved by considering two iterations in the fractal geometry. The designed antenna yields a peak gain of 3.04695dB. The antenna is validated for impedance matching with a return loss of < −20dB making it very suitable to integrate with other microwave devices. The 10dB return loss bandwidth is 300MHz (3.9GHz to 4.2GHz) and the gain of the antenna is 3.044dBi.

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具有分形缺陷接地结构的多谐振微带贴片天线

具有频率选择结构的微波元件提高了许多天线参数，在许多技术中受到欢迎。研究了一种微带贴片天线参数，并对其与缺陷地平面的性能进行了比较。本文提出了一种通过在地平面上加入分形缺陷将单谐振天线转换成多谐振天线的方法。谐振频率的数目取决于缺陷结构的迭代次数。通过考虑分形几何中的两次迭代，得到了2.3GHz、4GHz和4.2GHz三个谐振频率。所设计天线的峰值增益为3.04695dB。该天线经过阻抗匹配验证，回波损耗< - 20dB，非常适合与其他微波器件集成。10dB回波损耗带宽为300MHz (3.9GHz ~ 4.2GHz)，天线增益为3.044dBi。

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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2019 1st International Conference on Advanced Technologies in Intelligent Control, Environment, Computing & Communication Engineering (ICATIECE)

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