High-gain dual-band antenna with independent frequency operation for Sub-6 GHz and millimeter-wave applications

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Aeu-International Journal of Electronics and Communications Pub Date : 2025-03-01 DOI:10.1016/j.aeue.2025.155743

Mohamed Sedigh Bizan, Peyman PourMohammadi, Amjad Iqbal, Tayeb A. Denidni

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引用次数: 0

Abstract

This work presents an innovative dual-band hybrid antenna designed to achieve high gain and superior isolation, catering to both microwave and millimeter-wave applications. The proposed design integrates a cylindrical dielectric resonator antenna (CDRA) for the microwave band and patch ring resonators for the mm-wave band, providing distinct and optimized operation in each frequency range. The antenna design incorporates multiple stages: initially, the CDRA is tailored for efficient microwave performance; next, the patch resonators are configured for mm-wave operation. These components are then combined strategically to ensure compatibility and minimal interference between bands. To enhance the antenna’s functionality, selective filters are applied—specifically, a Low Pass Filter (LPF) for the microwave band and a Band Pass Filter (BPF) for the mm-wave band—mitigating harmonic distortion and improving spectral purity. Additionally, shorting pins are introduced to boost isolation levels between the bands. The resulting antenna achieves notable performance metrics, including bandwidths of 11.7% at 5.8 GHz and 14.3% at 28 GHz, with maximum realized gains of 12.3 dBi and 17.2 dBi, respectively. It also demonstrates exceptional isolation, surpassing 54 dB and 51 dB for the microwave and mm-wave bands. The innovative integration of these design elements enables independent frequency responses, making the proposed antenna a compelling solution for next-generation dual-band communication systems.

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具有独立频率操作的高增益双频天线，适用于Sub-6 GHz和毫米波应用

这项工作提出了一种创新的双频混合天线，旨在实现高增益和卓越的隔离，同时适用于微波和毫米波应用。该设计集成了用于微波波段的圆柱形介质谐振器天线（CDRA）和用于毫米波波段的贴片环谐振器，在每个频率范围内提供不同的优化工作。天线设计包含多个阶段：最初，CDRA是为高效微波性能量身定制的；接下来，将贴片谐振器配置为毫米波操作。然后策略性地组合这些组件，以确保兼容性和最小的频带之间的干扰。为了增强天线的功能，应用了选择性滤波器，特别是微波频段的低通滤波器（LPF）和毫米波频段的带通滤波器（BPF），以减轻谐波失真并提高频谱纯度。此外，引入短引脚来提高频带之间的隔离水平。由此产生的天线实现了显著的性能指标，包括在5.8 GHz和28 GHz下的带宽分别为11.7%和14.3%，最大实现增益分别为12.3 dBi和17.2 dBi。它还具有出色的隔离性，在微波和毫米波波段超过54 dB和51 dB。这些设计元素的创新集成实现了独立的频率响应，使所提出的天线成为下一代双频通信系统的引人注目的解决方案。

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

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.