Design of a Equally Spaced U shaped slotted Patch Antenna with Defected Ground Structure for Multiband Applications

2020 7th International Conference on Signal Processing and Integrated Networks (SPIN) Pub Date : 2020-02-01 DOI:10.1109/SPIN48934.2020.9071199

R. K. Dash, Puspendu Bikash Saha, D. Ghoshal

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引用次数: 7

Abstract

A microstrip antenna whose patch is loaded with equally spaced U-shaped slots and defected ground structure with quad band response is presented in this paper. The suggested antenna is designed and analyzed using Ansoft HFSS-15. Patch with U shaped slots are designed on a 30×30×1.6 mm3 FR4 epoxy substrate. Initially, antenna is designed with a basic square shaped patch then modified into a U-shaped slotted patch. Ground plane is loaded with a slot to ensure multiband response. It has been shown that by changing the slot position, improvement of various antenna parameters has been occurred significantly. The designed antenna resonates at four different resonant frequencies with reflection coefficients less than -10 dB. Proposed antenna is offered maximum bandwidth of 910 MHz and maximum gain of 6.61 dB. The proposed antenna produces fewer amount of cross polarization with respect to all resonant frequencies. This antenna can be used for various multiband wireless applications which includes Wimax, licensed spectrum for 5G in North America (3.45 GHz-3.55 GHz), IEEE802.16e, UNII is a part of IEEE802.11a and satellite applications.

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多波段应用中具有缺陷接地结构的等间距U型开槽贴片天线设计

本文提出了一种具有四频带响应的微带天线，其贴片加载等间距u型槽和缺陷地结构。采用Ansoft HFSS-15软件对建议天线进行了设计和分析。U型槽贴片设计在30×30×1.6 mm3 FR4环氧基板上。天线最初设计为基本的方形贴片，然后修改为u形的开槽贴片。接地面上装有一个插槽，以保证多波段响应。结果表明，通过改变槽位，天线的各项参数得到了显著改善。设计的天线在4种不同的谐振频率下谐振，反射系数小于-10 dB。该天线的最大带宽为910 MHz，最大增益为6.61 dB。所提出的天线相对于所有谐振频率产生较少数量的交叉极化。该天线可用于各种多频段无线应用，包括Wimax、北美5G授权频谱(3.45 GHz-3.55 GHz)、IEEE802.16e、UNII (IEEE802.11a的一部分)和卫星应用。

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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2020 7th International Conference on Signal Processing and Integrated Networks (SPIN)

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