Multibeam Antenna Based on Butler Matrix for 3G/LTE/5G/B5G Base Station Applications

Release Date:2020-09-28  Author:YE Lianghua, CAO Yunfei, ZHANG Xiuyin  Click:

Multibeam Antenna Based on Butler Matrix for 3G/LTE/5G/B5G Base Station Applications

YE Lianghua1, CAO Yunfei2, ZHANG Xiuyin2
(1. School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510600, China; 2. School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510600, China )

Abstract: With the rapid development of mobile communication technology and the explosion of data traffic, high capacity communication with high data transmission rate is urgently needed in densely populated areas. Since multibeam antennas are able to increase the communication capacity and support a high data transmission rate, they have attracted a lot of research interest and have been actively investigated for base-station applications. In addition, since multi-beam antennas based on Butler matrix (MABBMs) have the advantages of high gain, easy design and low profile, they are suitable for base station applications. The purpose of this paper is to provide an overview of the existing MABBMs. The specifications, principle of operation, design method, and implementation of MABBMs are presented. The challenge of MABBMs for 3G/LTE/5G/B5G base-station applications is discussed at end.
Keywords: multi-beam antenna; base station application; Butler matrix; wideband antenna; multi-band antenna

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