Defected ground structure-based wideband circularly polarized 4-port MIMO antenna for future Wi-Fi 6E applications
A circularly-polarized (CP) wideband 4-port Multi-input multi-output (MIMO) antenna is proposed. The novel contribution of the proposed work lies in achieving CP through an L-shaped feedline and a carefully engineered orthogonally placed slotted ground plane geometry leading to a defected ground str...
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| Published in | International journal of electronics and communications Vol. 170; p. 154815 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Elsevier GmbH
01.10.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1434-8411 |
| DOI | 10.1016/j.aeue.2023.154815 |
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| Abstract | A circularly-polarized (CP) wideband 4-port Multi-input multi-output (MIMO) antenna is proposed. The novel contribution of the proposed work lies in achieving CP through an L-shaped feedline and a carefully engineered orthogonally placed slotted ground plane geometry leading to a defected ground structure (DGS). A single-fed CP antenna structure is then converted to the 4-port MIMO antenna that achieves higher isolation due to polarization diversity. The MIMO antenna demonstrated an impedance bandwidth (IBW) spanning 65.01 % (from 3.81 GHz to 7.48 GHz), along with an axial ratio bandwidth (ARBW) of 20.10 % (from 5.47 GHz to 6.70 GHz). The 4-port CP MIMO antenna shows decent MIMO diversity performance. The measured results of the fabricated structure displayed good agreement with the simulated results. Antenna having both MIMO capability and circular polarization helps in reducing the multipath fading effect while increasing the latency. Thus, the proposed antenna having a wide overlapping Axial Ratio (AR) and Impedance Bandwidth (IBW) can be a very good choice for future devices using the Wireless Fidelity (Wi-Fi) 6E band. |
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| AbstractList | A circularly-polarized (CP) wideband 4-port Multi-input multi-output (MIMO) antenna is proposed. The novel contribution of the proposed work lies in achieving CP through an L-shaped feedline and a carefully engineered orthogonally placed slotted ground plane geometry leading to a defected ground structure (DGS). A single-fed CP antenna structure is then converted to the 4-port MIMO antenna that achieves higher isolation due to polarization diversity. The MIMO antenna demonstrated an impedance bandwidth (IBW) spanning 65.01 % (from 3.81 GHz to 7.48 GHz), along with an axial ratio bandwidth (ARBW) of 20.10 % (from 5.47 GHz to 6.70 GHz). The 4-port CP MIMO antenna shows decent MIMO diversity performance. The measured results of the fabricated structure displayed good agreement with the simulated results. Antenna having both MIMO capability and circular polarization helps in reducing the multipath fading effect while increasing the latency. Thus, the proposed antenna having a wide overlapping Axial Ratio (AR) and Impedance Bandwidth (IBW) can be a very good choice for future devices using the Wireless Fidelity (Wi-Fi) 6E band. |
| ArticleNumber | 154815 |
| Author | Hsu, Heng-Tung Yousef, Basma M. Ameen, Allam M. Ibrahim, Ahmed A. Desai, Arpan Dhasarathan, Vigneswaran |
| Author_xml | – sequence: 1 givenname: Basma M. orcidid: 0000-0003-4544-6041 surname: Yousef fullname: Yousef, Basma M. email: basmamyousef@gmail.com organization: Communications Department, Delta Higher Institute for Engineering and Technology, Mansoura, Egypt – sequence: 2 givenname: Allam M. surname: Ameen fullname: Ameen, Allam M. organization: Microstrip Department, Electronics Research Institute, New Nozha, Cairo, Egypt – sequence: 3 givenname: Arpan surname: Desai fullname: Desai, Arpan email: arpandesai@nycu.edu.tw organization: International College of Semiconductor Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan – sequence: 4 givenname: Heng-Tung orcidid: 0000-0002-7753-5690 surname: Hsu fullname: Hsu, Heng-Tung email: hthsu@nycu.edu.tw organization: International College of Semiconductor Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan – sequence: 5 givenname: Vigneswaran surname: Dhasarathan fullname: Dhasarathan, Vigneswaran email: dhasa.viki@gmail.com organization: Department of ECE, Centre for IoT and AI(CITI), KPR Institute of Engineering and Technology, Coimbatore, Tamil Nadu, India – sequence: 6 givenname: Ahmed A. orcidid: 0000-0001-7122-0770 surname: Ibrahim fullname: Ibrahim, Ahmed A. email: ahmedabdel_monem@mu.edu.eg organization: Electronics and Communications Engineering Department, Faculty of Engineering, Minia University, El-Minia, Egypt |
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| Cites_doi | 10.1007/s10470-020-01775-x 10.1038/s41598-022-18551-8 10.1109/ACCESS.2020.2967397 10.1016/j.aeue.2021.153990 10.1109/IPSN54338.2022.00015 10.1109/ACCESS.2022.3179005 10.1016/j.aeue.2019.06.028 10.1007/s11277-020-07843-9 10.1109/ACCESS.2022.3171248 10.1007/s11277-021-08461-9 10.1109/ACCESS.2021.3101441 10.1080/09205071.2020.1730984 10.1109/JPROC.2003.821915 10.1109/ACCESS.2020.2964902 10.1017/S1759078720001440 10.1109/MAP.2013.6735522 10.1002/mop.31033 10.1109/MAP.2017.2658346 10.1088/1361-6463/ac2c36 10.1109/LAWP.2011.2125773 10.1016/j.aeue.2020.153507 |
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| Keywords | Wi-Fi 6E DGS MIMO diversity Axial ratio Circular polarization Antenna |
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future prospects for printed multiple input, multiple-output antenna systems publication-title: IEEE Antenna Propag Mag doi: 10.1109/MAP.2017.2658346 – volume: 55 issue: 3 year: 2021 ident: 10.1016/j.aeue.2023.154815_b0030 article-title: A comprehensive survey on ‘circular polarized antennas’ for existing and emerging wireless communication technologies publication-title: J Phys D: Appl Phys doi: 10.1088/1361-6463/ac2c36 – volume: 10 start-page: 183 year: 2011 ident: 10.1016/j.aeue.2023.154815_b0125 article-title: Multiplexing efficiency of MIMO antennas publication-title: IEEE Antennas Wireless Propag Lett doi: 10.1109/LAWP.2011.2125773 – year: 2014 ident: 10.1016/j.aeue.2023.154815_b0015 – volume: 2 start-page: 1 year: 2020 ident: 10.1016/j.aeue.2023.154815_b0075 article-title: A 4-element MIMO antenna with orthogonal circular polarization for sub-6 GHz 5G cellular applications publication-title: SN Appl Sci – volume: 128 year: 2021 ident: 10.1016/j.aeue.2023.154815_b0095 article-title: Wideband four-port MIMO antenna array with high isolation for future wireless systems publication-title: AEU-Int J Electron Commun doi: 10.1016/j.aeue.2020.153507 |
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| SubjectTerms | Antenna Axial ratio Circular polarization DGS MIMO diversity Wi-Fi 6E |
| Title | Defected ground structure-based wideband circularly polarized 4-port MIMO antenna for future Wi-Fi 6E applications |
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