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    A multiband dual-standard MIMO antenna system based on monopoles (4G) and connected slots (5G) for future smart phones

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    Type
    Article
    Authors
    Ikram, M. cc
    Sharawi, M. S.
    Shamim, Atif cc
    Sebak, A.
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2018-04-24
    Online Publication Date
    2018-04-24
    Print Publication Date
    2018-06
    Permanent link to this record
    http://hdl.handle.net/10754/627837
    
    Metadata
    Show full item record
    Abstract
    In this work, a 4G/5G multiple-input multiple-output (MIMO) antenna system is presented for smart phone applications. The 4G antenna operates from 1900 to 3212 MHz and 3517 to 3712 MHz with 1312 (69%) and 195 (5.5%) MHz measured bandwidths, respectively. The 5G antenna covers 25.7–30.50 GHz band with 4.8 GHz (18.7%) measured bandwidth. The 4G MIMO antenna system is based on 4-element wideband monopoles, while the 5G one is based on 2-element linear connected arrays (LCA). Four slots are etched to improve the isolation between the 4G MIMO antenna elements and then a 4 × 1 power divider/combiner is used to excite two of these slots to act as a LCA at mm-waves. The concept of dual function ground slots is very useful to implement 4G and 5G MIMO antenna systems on the single substrate. The proposed design is fabricated on RO4350B substrate with a height of 0.76 mm and dielectric constant of 3.5. The overall size of the substrate is 115 × 65 × 0.76 mm. The integrated wideband 4G/5G antenna system is a compact, low profile, and suitable for future smart phone applications. Isolation obtained was at least 15 dB and the envelope correlation coefficient (ECC) values did not exceed 0.16 between all elements.
    Citation
    Ikram M, Sharawi MS, Shamim A, Sebak A (2018) A multiband dual-standard MIMO antenna system based on monopoles (4G) and connected slots (5G) for future smart phones. Microwave and Optical Technology Letters 60: 1468–1476. Available: http://dx.doi.org/10.1002/mop.31180.
    Sponsors
    The authors would like to acknowledge the support provided by the Deanship of Graduate Research (DSR) at King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, Saudi Arabia, under grant number FT161001.
    Publisher
    Wiley
    Journal
    Microwave and Optical Technology Letters
    DOI
    10.1002/mop.31180
    Additional Links
    https://onlinelibrary.wiley.com/doi/abs/10.1002/mop.31180
    ae974a485f413a2113503eed53cd6c53
    10.1002/mop.31180
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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