Design, Development and Analysis of High-Frequency Dual-Band 4 × 1 Monopole Array Antenna

IF 2.6 4区综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES

Arabian Journal for Science and Engineering Pub Date : 2024-04-24 DOI:10.1007/s13369-024-08870-5

Amit Abhishek, P. Suraj

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引用次数: 0

Abstract

A circular ring structure monopolar printed antenna for Doppler and automotive radar systems (24 GHz) is designed with a size of 1.4λ₀ × 1.4λ₀ × 0.095λ₀ mm³ observing |S₁₁|> −20 dB, B.W. of 1.8 GHz and a peak gain of 5.1 dBi. This antenna upgraded initially into 2 × 1 and finally 4 × 1 array, having resonant frequencies at 24 GHz and 28 GHz, respectively. A peak gain of 7.12 and 7.16 dBi through 2 × 1 and 9 and 8.65 dBi through 4 × 1 array is observed at respective operating frequencies. Finally, the 4 × 1 array antenna with the tapered feed of size 4.4λ₀ × 2.2λ₀ × 0.095λ₀ mm³ having |S₁₁|≤ 40 dB at ISM-III (24 GHz) and |S₁₁|≤ −30 dB at 5G (28 GHz) with B.W. of 0.77 GHz and 5.1 GHz, respectively, is proposed, qualifying the obtained measured results. Isolation between each antenna element for the 4 × 1 array is ≤ −20 dB with a maximum value of −65 dB. The ECC observed between antenna elements is less than 0.045 and DG is 10. An equivalent circuit is also evaluated for the proposed antenna. The quantification results present that the developed array antenna has excellent performance over the dual band.

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高频双波段 4 × 1 单极阵列天线的设计、开发和分析

设计了一种用于多普勒和汽车雷达系统（24 GHz）的圆环结构单极印刷天线，尺寸为 1.4λ0 × 1.4λ0 × 0.095λ0 mm3，观测 |S11|> -20 dB，B.W. 为 1.8 GHz，峰值增益为 5.1 dBi。该天线最初升级为 2 × 1 阵列，最后升级为 4 × 1 阵列，谐振频率分别为 24 GHz 和 28 GHz。在各自的工作频率下，2 × 1 阵列的峰值增益分别为 7.12 和 7.16 dBi，4 × 1 阵列的峰值增益分别为 9 和 8.65 dBi。最后，根据所获得的测量结果，提出了带有锥形馈电的 4 × 1 阵列天线，其尺寸为 4.4λ0 × 2.2λ0 × 0.095λ0 mm3，在 ISM-III (24 GHz) 频率下|S11|≤ 40 dB，在 5G (28 GHz) 频率下|S11|≤ -30 dB，B.W. 分别为 0.77 GHz 和 5.1 GHz。4 × 1 阵列每个天线元件之间的隔离度≤ -20 dB，最大值为 -65 dB。天线元件之间的 ECC 小于 0.045，DG 为 10。还对拟议天线的等效电路进行了评估。量化结果表明，所开发的阵列天线在双波段具有出色的性能。

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

Arabian Journal for Science and Engineering MULTIDISCIPLINARY SCIENCES-

CiteScore

5.70

自引率

3.40%

发文量

993

期刊介绍： King Fahd University of Petroleum & Minerals (KFUPM) partnered with Springer to publish the Arabian Journal for Science and Engineering (AJSE). AJSE, which has been published by KFUPM since 1975, is a recognized national, regional and international journal that provides a great opportunity for the dissemination of research advances from the Kingdom of Saudi Arabia, MENA and the world.