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    A wide-angle pattern diversity antenna system for mmWave 5G mobile terminals

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    Abd-Alhameed_et_al_Electronics (2.539Mb)
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    Publication date
    2022-02
    Author
    Sadananda, K.G.
    Elfergani, Issa T.
    Zebiri, C.
    Rodriguez, Jonathan
    Koul, S.K.
    Abd-Alhameed, Raed A.
    Keyword
    Shared radiator
    Conformal
    mmWave 5G
    28 GHz band
    Rights
    © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
    Peer-Reviewed
    Yes
    Open Access status
    Gold
    
    Metadata
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    Abstract
    A shared ground shared radiator with wide angular coverage for mmWave 5G smartphones is proposed in this paper. A four-element corporate-fed array with conventional impedance matched power divider is designed. Stepped impedance transformers are integrated with the corner most elements to achieve pattern diversity with wide angular coverage without signifi-cant compromise in gain. The proposed three-port shared radiator conformal commercial an-tenna could be easily integrated with commercial mmWave 5G smartphones. All the three ports’ excitations operate in the 28 GHz band. Radiation pattern bandwidth of the multi-port system is high. The gain variation is from 6 to11 dBi amongst the ports and across the operating spectrum. The highest mutual coupling is 10 dB, in spite of the electrically connected structure. The pro-posed shared radiator element has a wide angular coverage of 100°, maintaining high front-to-back ratio when the respective port is excited. Simulation and measurement results for the proposed structure are illustrated in detail.
    URI
    http://hdl.handle.net/10454/18752
    Version
    Published version
    Citation
    Sadananda KG, Elfergani I, Zebiri C et al (2022) A wide-angle pattern diversity antenna system for mmWave 5G mobile terminals. Electronics. 11(4): 571.
    Link to publisher’s version
    https://doi.org/10.3390/electronics11040571
    Type
    Article
    Collections
    Engineering and Informatics Publications

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