Design and Development of Self-Complementary DNA Structure-based Frequency Reconfigurable Antenna

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electrical Engineering & Technology Pub Date : 2024-05-02 DOI:10.1007/s42835-024-01917-5

K. Karthika, K. Kavitha

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Abstract

Nature-inspired patch antennas are gaining attention in wireless applications. A novel self-complementary Deoxyribonucleic Acid (DNA) structure-based frequency reconfigurable antenna is proposed in this work. DNA itself follows the golden ratio. The structure of the DNA-shaped antenna is modelled using Fibonacci numbers. The structure dimensions are 80 × 80 × 0.787 mm³. Rogers RT Duroid 5870 with a dielectric constant of 2.33 is used as a substrate. Techniques like the placement of the parasitic patch and Defected Ground Structure (DGS) are implemented and analyzed for gain enhancement. Parametric analysis has been carried out to achieve better radiation characteristics. The antenna is made reconfigurable by incorporating two PIN diode switches. The designed structure covers a wide band from 4.86 GHz to 6.12 GHz (WLAN) during an OFF-ON state. 0.988 GHz (Sub 1 GHz) and 4.58 GHz (5G) (dual band) are the resonating frequencies of the ON-OFF state. For the ON-ON state, the resonating frequencies are 2.67 GHz (WiMAX), 3.36 GHz (LTE), and 4.76 GHz (5G) (triple band). The proposed structure offers acceptable radiation performance. Fabrication and testing are done to validate the results. The simulated findings and the measured results agree quite well.

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基于自互补 DNA 结构的频率可重构天线的设计与开发

受自然启发的贴片天线在无线应用中越来越受到关注。本研究提出了一种基于脱氧核糖核酸（DNA）结构的新型自补充频率可重构天线。DNA 本身遵循黄金分割率。DNA 形天线的结构使用斐波那契数字建模。结构尺寸为 80 × 80 × 0.787 mm3。基板采用介电常数为 2.33 的罗杰斯 RT Duroid 5870。对寄生贴片和缺陷接地结构（DGS）等技术进行了实施和分析，以提高增益。为了获得更好的辐射特性，还进行了参数分析。通过加入两个 PIN 二极管开关，天线实现了可重新配置。所设计的结构在关-开状态下覆盖了从 4.86 GHz 到 6.12 GHz（无线局域网）的宽频带。0.988千兆赫（1千兆赫以下）和4.58千兆赫（5G）（双频）是ON-OFF状态的谐振频率。在 ON-ON 状态下，共振频率分别为 2.67 GHz（WiMAX）、3.36 GHz（LTE）和 4.76 GHz（5G）（三频段）。所提出的结构具有可接受的辐射性能。为了验证结果，还进行了制造和测试。模拟结果与测量结果相当吻合。

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来源期刊

Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

4.00

自引率

15.80%

发文量

321

审稿时长

3.8 months

期刊介绍： ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.