High-Gain Fan-Beam Leaky-Wave Antenna Using Symmetrical Long-slots for 5G Millimeter-Wave Base Station Applications

2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2022-12-13 DOI:10.1109/MMWaTT58022.2022.10172123

Mohaddeseh Shahrbandian, H. Aliakbarian, Reza Yazdani, Donghyun Kim

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Abstract

One of the most popular leaky-wave antennas is long-slot antennas in a rectangular waveguide which has a simple design and easy fabrication. The main disadvantage of a long-slot leaky-wave antenna is a radiation null at the broadside direction. In this paper, coating a dielectric layer on top of the long-slot antenna is proposed, and the radiation null is changed to a radiation peak with 27 dB improvement, which can be useful as an antenna for the fifth-generation (5G) communications in millimeter-wave. The proposed design is also applicable to base stations located in urban and suburban areas. The idea is also successfully implemented on a substrate integrated waveguide at 28 GHz. The designs are optimized to have a wide symmetrical radiation pattern, high gain, wide band-width, and wide beam-width in the horizontal plane. The realized gain of the coated long-slot waveguide antenna and the coated long-slot substrate integrated waveguide antenna are 20.2 dBi and 11.2 dBi, respectively.

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5G毫米波基站应用的对称长槽高增益扇波束漏波天线

矩形波导长槽漏波天线是目前最流行的漏波天线之一，它具有设计简单、制作方便等优点。长缝隙漏波天线的主要缺点是在宽频方向上存在辐射零。本文提出在长槽天线顶部覆盖一层介电层，将辐射零点改为辐射峰值，提高27 dB，可作为毫米波第五代(5G)通信的天线。建议的设计也适用于位于城市和郊区的基站。该想法也成功地实现在28 GHz的基板集成波导上。该设计被优化为具有宽对称辐射方向图、高增益、宽频带宽度和水平面宽波束宽度。涂层长槽波导天线和涂层长槽基片集成波导天线的实现增益分别为20.2 dBi和11.2 dBi。

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

2022 6th International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)

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