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A Broadband ±45° Dual-Polarized Multiple-Input Multiple-Output Antenna for 5G Base Stations with Extra Decoupling Elements

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Journal of Communications and Information Networks

Abstract

A dual-polarized multiple-input multipleoutput (MIMO)antenna is proposed for 5G base stations. Each antenna element consists of two orthogonally placed fan-shaped dipole elements and ±45° dual-polarized feeding structures are used to achieve broadband operation. The resonant frequency of the array element is from 3.3 to 4.2 GHz, which covers the mainstream spectrum allocations of 5G mobile networks. H-shaped coupling elements are used to improve the isolation between the neighboring antenna elements and the mutual coupling is reduced by over 4 dB. The envelope correlation of a 2 × 2 array is provided for verification.

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Authors and Affiliations

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Correspondence to Qi Wu.

Additional information

Qi Wu [corresponding author] was born in China. He received the B.S. degree from East China Normal University, Shanghai, China, and the Ph.D. Degree from Shanghai Jiao Tong University, Shanghai, China, both in Electrical Engineering, in 2004 and 2009, respectively. He joined the faculty of School of Electronics and Information Engineering, Beihang University (BUAA), Beijing, China, in 2009. Now he is an associate professor. During 2011 and 2012, he was a visiting scholar in the Department of Electrical Engineering, University of California, Los Angeles. Since 2014, he is an Alexander von Humboldt Fellow in the Institute of Electromagnetic Theory, Technical University of Hamburg-Harburg, Germany. He has authored over 20 journal papers, one book in Chinese “Planar monopole and dipole antennas: theory and ultrawideband applications”. He holds four Chinese patents as the first inventor. His research interests include broadband antennas, computational electromagnetics, and related EMC topics.

Dr. Wu received the Distinguished Young Faculty Award from BUAA in 2010, the Young Scientist Award from the International Union of Radio Science (URSI) in 2011, the Nominee Award for Excellent Doctoral Dissertation from the National Minister of Education in 2012, a Natural Science Award from Shanghai Government in 2013, and the Excellent Supervisor for Master Thesis from BUAA twice. (Email: qwu@buaa.edu.cn)

Peiyu Liang was born in China. He received the B.S. degree from the School of Electronics and Information Engineering, Beihang University (BUAA), Beijing, China, in 2015. He is now a master student in BUAA. From 2016 to 2017, he was an academic guest in the Institute of Electromagnetic Theory, Technical University of Hamburg-Harburg, Germany. His research interests include characteristic mode analysis of mutual coupling between antennas and wireless power transfer. (Email: godzilla1020@163.com)

Xiaoming Chen was born in China. He received the B.S. degree in electrical engineering from Northwestern Polytechnical University, Xi’an, China, in 2006, and the M.S. and Ph.D. degrees in electrical engineering from the Chalmers University of Technology, Gothenburg, Sweden, in 2007 and 2012, respectively. From 2013 to 2014, he was a post-doctoral researcher in the Chalmers University of Technology. From 2014 to 2017, he was an antenna specialist in Qamcom Research and Technology AB, Gothenburg, Sweden. Since 2017, he has been a Professor in Xi’an Jiaotong University, Xi’an. His current research interests include MIMO antennas, over-the-air testing, reverberation chambers, and hardware impairments and mitigation. Prof. Chen was the recipient of the Young Scientist Award from URSI 2017. He serves as an associate editor for IEEE Antennas andWireless Propagation Letters and is a reviewer for several IEEE journals. (Email: xiaoming.chen@mail.xjtu.edu.cn)

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Wu, Q., Liang, P. & Chen, X. A Broadband ±45° Dual-Polarized Multiple-Input Multiple-Output Antenna for 5G Base Stations with Extra Decoupling Elements. J. Commun. Inf. Netw. 3, 31–37 (2018). https://doi.org/10.1007/s41650-018-0002-9

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  • DOI: https://doi.org/10.1007/s41650-018-0002-9

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