Analysis of a low-profile, dual band patch antenna for wireless applications

Q3 Engineering AIMS Electronics and Electrical Engineering Pub Date : 2023-01-01 DOI:10.3934/electreng.2023010

M. Naveen Kumar, M. Venkata Narayana, G. Immadi, P. Satyanarayana, Ambati Navya

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Abstract

A dual-band google lens logo-based patch antenna with defected ground structure was designed at 5.3 GHz for wireless applications and 7.4 GHz for wi-fi application. The designed antenna consists of a rounded rectangular patch antenna with a partial ground structure fed by a 50 Ω microstrip line. A google lens shaped logo is subtracted from the rounded rectangular patch and some regular polygon shaped slots are subtracted from the ground plane to obtain good dual-band characteristics and better results in terms of gain, VSWR, and return loss. The proposed antenna has a measurement of 20 × 20 × 1.6 mm3 and provides wide impedance bandwidths of 0.23 GHz (5.17‒5.40 GHz) and 0.16 GHz (7.33–7.49 GHz) at center frequencies of 5.3 GHz and 7.4 GHz, respectively. The antenna was designed and simulated using an ANSYS Electronics Desktop. Fabrication of the antenna was obtained using chemical etching and the results were measured by using an MS2037C Anritsu combinational analyzer. The return loss characteristics for dual bands are -20.56 dB at 5.3 GHz and -19.17 dB at 7.4 GHz, respectively, with a VSWR < 2 at both the frequencies and a 4 dB gain is obtained.

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一种用于无线应用的低姿态双频贴片天线的分析

设计了一种基于谷歌透镜标识的双频段贴片天线，该天线具有缺陷地结构，工作频率为5.3 GHz，用于无线应用，7.4 GHz用于wi-fi应用。所设计的天线由圆形矩形贴片天线和部分地结构组成，由50 Ω微带线馈电。在圆角矩形贴片上减去一个谷歌透镜形状的标志，在接地面上减去一些正多边形形状的槽，获得了良好的双带特性，在增益、驻波比和回波损耗方面取得了较好的效果。该天线的尺寸为20 × 20 × 1.6 mm3，在5.3 GHz和7.4 GHz的中心频率分别提供0.23 GHz (5.17-5.40 GHz)和0.16 GHz (7.33-7.49 GHz)的宽阻抗带宽。利用ANSYS电子桌面软件对天线进行了设计和仿真。采用化学刻蚀法制作天线，并用安立公司MS2037C组合分析仪对结果进行了测量。双频段回波损耗特性分别为-20.56 dB (5.3 GHz)和-19.17 dB (7.4 GHz)，两个频率的驻波比均< 2，增益均为4 dB。

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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