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Abstract
A wideband shared-aperture antenna is designed for MIMO application based on asymmetric orthogonal-mode antenna pair. A symmetric T-shaped antenna and an asymmetric double-L-shaped antenna constitute the proposed antenna pair. Two co-planar antenna elements are configured above the ground (on the same substrate side). The wideband self-decoupling characteristic of the antenna pair is achieved via orthogonal modes. The proposed shared-aperture antenna demonstrates good impedance matching, high isolation, and good diversity performance over a bandwidth of 3.04–5.28 GHz, covering the 5G N77/N78/N79 bands, which is suitable for compact 5G MIMO terminals. Two such antenna pairs are arranged along the upper side of the ground to construct a 4-port MIMO antenna. The proposed MIMO antenna is fabricated and tested to verify its performance. Favorable results are realized, including impedance matching, isolation, efficiency, and ECC. The measured results are in good agreement with the simulated results.
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No potential conflict of interest was reported by the author(s).
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Notes on contributors
Bingyi Qian
Bingyi Qian received the B.S. degree in electronics and information engineering from Xidian University, Xi’an, China, in 2020, where he is currently pursuing the Ph.D. degree in electronics science and technology from Xi’an Jiaotong University, Xi’an. His current research interests include microstrip antenna design, mutual coupling reduction and 5G mobile antennas.
Min Liu
Min Liu received the B.S. degree in information engineering from Xi’an Jiaotong University, Xi’an, China, in 2022, where she is currently pursuing the M.S. degree in Information and Communication Engineering from Xi’an Jiaotong University, Xi'an. Her current research direction is antenna design.
Yiran Da
Yiran Da received the B.S. degree in information engineering from Xi’an Jiaotong University, Xi’an, China, in 2020, where she is currently pursuing the M.S. degree. Her research interests include base station antenna design and mutual coupling reduction.
Yingsong Li
Yingsong Li received his B.S. degree in electrical and information engineering, and M.S. degree in Electromagnetic Field and Microwave Technology from Harbin Engineering University, 2006 and 2011, respectively. He received his Ph.D. degree from both Kochi University of Technology (KUT), Japan and Harbin Engineering University (HEU), China in 2014. He is currently a Full Professor with the School of Electronic and Information Engineering of Anhui University from March 2022. He was Professor in Habirn Engineering University from 2014 to 2022 and a visiting scholar of University of California, Davis from March 2016 to March 2017, a visiting Professor of University of York, UK in 2018, a visiting Professor of Far Eastern Federal University (FEFU) and KUT. Now, he holds the visiting professor position of School of Information of KUT from 2018. He is a Postdoc of Key Laboratory of Microwave Remote Sensing, Chinese Academy of Sciences from 2016 to 2020. Now, He is a Fellow of Applied computational Electromagnetics Society (ACES Fellow), and he is also a senior member of Chinese Institute of Electronics (CIE) and a senior member of IEEE. He has authored and coauthored about 300 journal and conference papers in various areas of electrical engineering. His current research interests include remote sensing, underwater communications, signal processing, adaptive filters, metasurface designs and microwave antennas. Dr. Li serves as an Area Editor of AEU – International Journal of Electronics and Communications from 2017 to 2020, and he is an Associate Editor of IEEE Access, Applied Computational Electromagnetics Society Journal (ACES Journal) and Alexandria Engineering Journal. He is the TPC Co-Chair of the 2019IEEE International Workshop on Electromagnetics (iWEM 2019–2020), 2019 IEEE 2nd International Conference on Electronic Information and Communication Technology (ICEICT 2019), 2019 International Applied Computational Electromagnetics Society (ACES) Symposium-China, 2019 Cross Strait Quad-regional Radio Science and Wireless Technology Conference (2019 CSQRWC) and TPC Chair of ICEICT 2021–2022. He is also a General Co-Chair of ICEICT 2020 and a General Chair of IEEE 9th International Conference on Computer Science and Network Technology (ICCSNT 2021) and ICCSNT 2022. He also serves as a Session Chair or Organizer for many international and domestic conferences, including the WCNC, AP-S, ACES etc. He acts as a Reviewer of numerous IEEE, IET, Elsevier and other international journals.
Azremi Abdullah Al-Hadi
Azremi Abdullah Al-Hadi (Senior Member, IEEE) was born in Michigan, USA, in August 26. He received the M.Sc. degree in communication engineering from Birmingham University, U.K., in 2004, and the D.Sc. degree in technology from Aalto University, Finland, in 2013. His current research interests include design and performance evaluation of multielement antennas, mobile terminal antennas and their user interactions, and wireless propagation. He is currently working as an Associate Professor and holds a position as the Dean of the School of Computer and Communication Engineering, Universiti Malaysia Perlis (UniMAP), where he has been with the School of Computer and Communication Engineering, since 2002. Dr. Al-Hadi is active in volunteering work with the IEEE Malaysia Section, acting as the Vice Chair of the IEEE Antenna Propagation/Microwave Theory Techniques/Electromagnetic Compatibility (AP/MTT/EMC) Malaysia Chapter, and the Counselor of the IEEE UniMAP Student Branch. He is a Chartered Engineer of the Institution of Engineering and Technology (IET), U.K., a member of the Board of Engineers Malaysia (BEM), Malaysia, and a Graduate Technologist of the Malaysia Board of Technologist (MBOT), Malaysia. He was a recipient of the Best Student Paper Award presented at the Fifth Loughborough Antennas and Propagation Conference (LAPC 2009) and the CST University Publication Award, in 2011.
Ahmed A. Kishk
Ahmed A. Kishk obtained his Ph.D. degrees in 1986 from the University of Manitoba, Canada. In 1986, he joined the University of Mississippi first as an Assistant Professor and then a Professor. Since 2011, he has been a Professor at Concordia University, Canada, as Tier 1 Canada Research Chair in Advanced Antenna Systems. He is a distinguished lecturer for the Antennas and Propagation Society (2013–2015). He was an Editor of Antennas & Propagation Magazine (1993–2014). He was an Editor-in-Chief of the ACES Journal from 1998 to 2001. He was a Guest Editor of the special issue on artificial magnetic conductors, soft/hard surfaces, and other complex surfaces, in the IEEE Transactions on Antennas and Propagation, 2005. He was the 2017 AP-S president. His research interest includes millimeter wave antennas, beamforming network, dielectric resonator antennas, microstrip antennas, EBG, etc. He has published over 340-refereed Journal articles and 450 conference papers. He is a co-author of four books and several book chapters and the editor of three books. Prof. Kishk won the 1995 and 2006 outstanding paper awards for the Applied Computational Electromagnetic Society Journal. He received the 1997 Outstanding Engineering Educator Award from Memphis section of the IEEE. He received the Outstanding Engineering Faculty Member of the Year in 1998 and 2009, Faculty research award for outstanding performance in research in 2001 and 2005. He received the Award of Distinguished Technical Communication for the entry of IEEE Antennas and Propagation Magazine, 2001. He also received The Valued Contribution Award for outstanding Invited Presentation from the Applied Computational Electromagnetic Society. He received the Microwave Theory and Techniques Society, Microwave Prize 2004 and 2013 Chen-To Tai Distinguished Educator Award of the IEEE Antennas and Propagation Society. He is a Fellow of IEEE since 1998, Fellow of Electromagnetic Academy, and a Fellow of the Applied Computational Electromagnetics Society (ACES).
Xiaoming Chen
Xiaoming Chen received the B.Sc. degree in electrical engineering from Northwestern Polytechnical University, Xi’an, China, in 2006, and M.Sc. and Ph.D. degrees in electrical engineering from Chalmers University of Technology, Gothenburg, Sweden, in 2007 and 2012, respectively. From 2013 to 2014, he was a postdoctoral researcher at the same University. From 2014 to 2017, he was with Qamcom Research & Technology AB, Gothenburg, Sweden, where he was involved in the EU H2020 5GPPP mmMAGIC project (on 5G millimeter-wave wireless access techniques). Since 2017, he has been a professor at Xi’an Jiaotong University, Xi’an, China. His research areas include 5G multi-antenna techniques, over-the-air (OTA) testing, and reverberation chambers. He has coauthored one book, two book chapter, more than 170 journal papers on these topics. Prof. Chen serves as an Associate Editor (AE) for IEEE Transactions on Antennas and Propagatio and Senior AE for the journal of IEEE Antennas and Wireless Propagation Letters (AWPL). He received the URSI (International Union of Radio Science) Young Scientist Awards in 2017 and 2018, and the IEEE outstanding AE awards in 2018–2022.