Edge Hole Effect on Isolation of UWB MIMO RDRA for 5G Outdoor Applications

作者

  • Tamer G. Abouelnaga Microstrip Circuits Department, Electronics Research Institute ERI, Cairo, Egypt
  • Esmat A. Abdallah Microstrip Circuits Department, Electronics Research Institute ERI, Cairo, Egypt

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https://doi.org/10.13052/2023.ACES.J.380706

关键词:

5G, co-polarization, cross-polarization, DG, DRA, ECC, MIMO antenna, UWB

摘要

For 5G sub-6 GHz outdoor applications, a highly isolated two-port rectangular dielectric resonator antenna (RDRA) with UWB MIMO is presented in this research. For isolation enhancement purposes at the lower frequency band (2.27 GHz-2.62 GHz), a longitudinal slot is inserted at the ground plane. For isolation enhancement at the higher frequency band (3.9 GHz-5.73 GHz), an edged hole is inserted in the RDRA. Investigations are conducted on the impacts of slotted ground as well as edged hole radius on isolation. The orthogonal feeding scheme of UWB MIMO RDRA considering both edged hole and slotted ground plane effects are investigated. For the edged hole MIMO RDRA with a slotted ground plane, isolation is better than -24.7 dB at a higher frequency band and is better than -15.5 dB at a lower frequency band. This isolation improvement is explained by the surface current density distribution. The use of an edged hole RDRA and an aperture-coupled orthogonal feeding allows UWB bandwidth and good efficiency performances on the 5G operating bands. To justify the MIMO performance, the envelope correlation coefficient (ECC) and diversity gain (DG) are applied.

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Tamer Gaber Abouelnaga was born in Nov. 1976. He received his B.Sc. degree (1994-1999, honors degree) in electronics engineering from Menofiya University, Egypt, M.Sc. degree (2002-2007), and Ph.D. degree (2007-2012) in electronics and communications from Ain Shams University. He works as a researcher (2012-2017) and an associate professor (2018-now) in Microstrip Circuits Department, Electronics Research Institute, Egypt. He works as students affairs vice dean (2018-2019) and community service and environmental development vice dean (2019 till now) at the Higher Institute of Engineering and Technology, Kafr Elsheikh City. He has published 29 papers in peer-refereed journals, and 13 papers in international conferences regarding antennas, couplers, filters, and dividers for different microwave applications.

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Esmat A. Abdallah (Senior Member, IEEE) graduated from the Faculty of Engineering, Cairo University, Giza, Egypt in 1968. She received her M.Sc. and Ph.D. degrees from Cairo University in 1972, and 1975, respectively. She was nominated as assistant professor, associate professor, and professor in 1975, 1980, and 1985, respectively. In 1989, she was appointed president of the Electronics Research Institute ERI, Cairo, Egypt, a position she held for about ten years. She became the Head of the Microstrip Department, ERI, from 1999 to 2006. Currently, she is at the Microstrip Department, Electronics Research Institute, Cairo, Egypt. She has focused her research on microwave circuit designs, planar antenna systems, and nonreciprocal ferrite devices, and recently on EBG structures, UWB components, and antenna and RFID systems. She acts as a single author and as a co-author on more than 285 research papers in highly cited international journals and proceedings of international conferences. She has six books and seven patents. She supervised more than 85 Ph.D. and M.Sc. theses. She is a member of the National Council of Communication and Information Technology.

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已出版

2023-07-31

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[1]
T. G. . Abouelnaga 和 E. A. . Abdallah, 《Edge Hole Effect on Isolation of UWB MIMO RDRA for 5G Outdoor Applications》, ACES Journal, 卷 38, 期 07, 页 503–512, 7月 2023.

期

2023: Vol 38 Iss 7

栏目

General Submission

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