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    Eight-Element Dual-Polarized MIMO Slot Antenna System for 5G Smartphone Applications

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    Abd-Alhameed_(2019).pdf (2.270Mb)
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    Publication date
    2019-02
    Author
    Ojaroudi Parchin, Naser
    Al-Yasir, Yasir I.A.
    Ali, Ammar H.
    Elfergani, Issa T.
    Noras, James M.
    Rodriguez, Jonathan
    Abd-Alhameed, Raed A.
    Keyword
    5G
    Dual-polarized antenna
    MIMO system
    Mobile terminal
    Ring slot antenna
    Research Development Fund Publication Prize Award
    Rights
    © 2019 IEEE. Reproduced in accordance with the publisher's self-archiving policy. https://doi.org/10.1109/ACCESS.2019.2893112
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    In this paper, we propose an eight-port/four-resonator slot antenna array with a dual-polarized function for multiple-input-multiple-output (MIMO) 5G mobile terminals. The design is composed of four dual-polarized square-ring slot radiators fed by pairs of microstrip-line structures. The radiation elements are designed to operate at 3.6 GHz and are located on the corners of the smartphone PCB. The squarering slot radiators provide good dual-polarization characteristic with similar performances in terms of fundamental radiation characteristics. In order to improve the isolation and also reduce the mutual coupling characteristic between the adjunct microstrip-line feeding ports of the dual-polarized radiators, a pair of circular-ring/open-ended parasitic structures is embedded across each square-ring slot radiator. The −10-dB impedance bandwidth of each antenna-element is 3.4–3.8 GHz. However, for −6-dB impedance bandwidth, this value is 600 MHz (3.3–3.9 GHz). The proposed MIMO antenna offers good S-parameters, high-gain radiation patterns, and sufficient total efficiencies, even though it is arranged on a high-loss FR-4 dielectric. The SAR function and the radiation characteristics of the proposed design in the vicinity of user-hand/userhead are studied. A prototype of the proposed smartphone antenna is fabricated, and good measurements are provided. The antenna provides good features with a potential application for use in the 5G mobile terminals.
    URI
    http://hdl.handle.net/10454/16947
    Version
    Published version
    Citation
    Ojaroudi Parchin N, Al-Yasir YIA, Ali AH et al (2019) Eight-Element Dual-Polarized MIMO Slot Antenna System for 5G Smartphone Applications. IEEE Access. 7: 15612-15622.
    Link to publisher’s version
    https://doi.org/10.1109/ACCESS.2019.2893112
    Type
    Article
    Notes
    Research Development Fund Publication Prize Award winner, January 2019.
    Collections
    Engineering and Informatics Publications

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