Modified fractal-based Polarization-Reconfigurable Patch Antenna for 2.4 GHz ISM Band Applications

2023 International Conference on Wireless Communications Signal Processing and Networking (WiSPNET) Pub Date : 2023-03-29 DOI:10.1109/WiSPNET57748.2023.10134042

T. K. Das, Rupanita Das, Abinash Kumar, Ridhi Kumari, Priya Mandal, Rupesh Kumar Mukhi, Jagannath Dayal Pradhan

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引用次数: 1

Abstract

A modified fractal-based planar structure with the ability to switch between circular polarization states is presented in this article. This design is made up of a basic radiating patch of circular-shape incorporated with repeated rectangular stubs at an angle of 10° on the outer perimeter excited diagonally by co-axial feeding. On the radiating patch, slots in the shape of a U, are inserted to place PIN diodes (silicon) to achieve polarization reconfigurability. To validate the performance, the design is simulated on an FR4 substrate. The simulated results of the design show an -10 dB bandwidth in the frequency range of 2.36-2.48 GHz. It also indicates the 3 dB axial ratio bandwidth of 2.38-2.41 GHz with a 2.4 GHz resonating frequency. The peak realized gain of the modified fractal structure is found to be 3.26 dBic with stable radiation performance at the ISM (Industrial, Scientific, and Medical) band.

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用于2.4 GHz ISM频段的改进分形极化可重构贴片天线

本文提出了一种改进的基于分形的平面结构，该结构具有在圆偏振态之间切换的能力。该设计由一个基本的圆形辐射片组成，并在外周以10°的角度与同轴馈电对角线激发的重复矩形短桩组成。在辐射贴片上，插入U形槽来放置PIN二极管(硅)，以实现极化可重构性。为了验证该设计的性能，在FR4基板上进行了仿真。仿真结果表明，该设计在2.36-2.48 GHz频率范围内的带宽为-10 dB。3db轴比带宽为2.38 ~ 2.41 GHz，谐振频率为2.4 GHz。改进后的分形结构的峰值实现增益为3.26 dBic，在ISM (Industrial, Scientific, and Medical)波段具有稳定的辐射性能。

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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来源期刊

2023 International Conference on Wireless Communications Signal Processing and Networking (WiSPNET)

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