Compact reconfigurable 3×3 pixel patch antenna for cognitive radio applications

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.2017.8402585

K. Vijayachandra, M. Satyanarayana, B. T. Krishna

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Abstract

Frequency reconfiguration is an essential requirement in a Cognitive radio related activities entangle multiband communication. The designed mono circular patch antenna works at resonant frequency of 12GHz. uniquely same patches are connected width wise and length wise to the designed single circular patch. The proposed antenna single circular patch radius is 3mm. The proposed frequency reconfigurable antenna contains a 3×3 grid of electrically minute circular metal patches. Every circular patch (pixel antenna) is works at a resonant frequency of 12GHz. The adjacent pixels are horizontally linked by PIN diode switches and the circular patches are vertically linked by micro strip lines. The frequency re-configuration is done with switching action that changes the current circulation on the surface of the antenna. The proposed antenna reconfigurable at resonant frequencies of 6.3 GHz, 8GHz and 10.4 GHz. various frequencies are selected by using PIN diode switches. Simulation of the antenna is done by using Ansoft HFSS 16.

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紧凑型可重构3×3像素贴片天线的认知无线电应用

频率重构是认知无线电相关活动多频带通信的基本要求。所设计的单圆贴片天线工作在12GHz谐振频率下。唯一相同的贴片以宽度和长度方向连接到设计的单个圆形贴片。提出的天线单圆贴片半径为3mm。提出的频率可重构天线包含一个3×3网格的电微小的圆形金属补丁。每个圆形贴片(像素天线)工作在12GHz的谐振频率。相邻像素通过PIN二极管开关水平连接，圆形贴片通过微带线垂直连接。频率重新配置是通过改变天线表面的电流循环的开关动作完成的。该天线在6.3 GHz、8GHz和10.4 GHz谐振频率下可重构。使用PIN二极管开关选择各种频率。利用Ansoft HFSS 16软件对天线进行了仿真。

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

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