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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-6GHz 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 4GHz 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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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Scientific Reports
no. 15,
ISSN: 2045-2322 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Zarifi D., Farahbakhsh A., Mrozowski M.: An All-Metal Broadband Low SLL slot array antenna for use in 5G Sub-6 GHz networks// Scientific Reports -,iss. 1 (2025),
- DOI:
- Digital Object Identifier (open in new tab) 10.1038/s41598-025-90696-8
- Sources of funding:
-
- IDUB
- Verified by:
- Gdańsk University of Technology
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