An All-Metal Broadband Low SLL slot array antenna for use in 5G Sub-6 GHz networks.

IF 3.9 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Scientific Reports Pub Date : 2025-02-19 DOI:10.1038/s41598-025-90696-8

Davood Zarifi, Ali Farahbakhsh, Michal Mrozowski

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Abstract

This paper describes the design and implementation of an all-metal wideband cavity-backed slot array antenna specifically optimized for 5G sub-6 GHz networks. The antenna is engineered to feature low sidelobe levels (SLL), which enhance signal clarity and reduce interference. The proposed antenna utilizes a novel approach, directly exciting all radiating slots through the cavity layer, thus eliminating the need for a complex and lossy power dividing network. The antenna's performance is validated through full-wave simulations and measurements. The results demonstrate antenna's ability to achieve wideband operation from 3.1 to 4 GHz with - 19 dB SLL, peak gain of 20.2 dBi, and more than 90% total efficiency. The main advantages provided by the proposed slot arrays are wide bandwidth, high radiation efficiency, high gain, low sidelobe levels. The all-metal construction ensures robust power handling, and the simplified design contributes to its low complexity. These characteristics make the antenna a promising candidate for 5G deployments.

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全金属宽带低SLL槽阵列天线，用于5G Sub-6 GHz网络。

本文介绍了一种专为5G sub-6 GHz网络优化的全金属宽带腔背槽阵列天线的设计和实现。该天线采用低旁瓣电平（SLL）设计，可提高信号清晰度并减少干扰。该天线采用了一种新颖的方法，通过空腔层直接激励所有的辐射槽，从而消除了对复杂和有损耗的功率划分网络的需要。通过全波仿真和测量验证了天线的性能。结果表明，该天线能够在3.1 ~ 4 GHz范围内实现宽带工作，SLL为- 19 dB，峰值增益为20.2 dBi，总效率超过90%。所提出的缝隙阵列的主要优点是带宽宽、辐射效率高、增益高、副瓣电平低。全金属结构确保了强大的功率处理，简化的设计有助于其低复杂性。这些特性使该天线成为5G部署的有希望的候选者。

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

Scientific Reports Natural Science Disciplines-

CiteScore

7.50

自引率

4.30%

发文量

19567

审稿时长

3.9 months

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