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    Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications

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    Paper#4_Miniaturized Frequency Reconfigurable Pentagonal MIMO-Slot Antenna for Interweave CR Applications.pdf
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    Type
    Article
    Authors
    Hussain, Rifaqat
    Raza, Ali
    Khan, Muhammad U.
    Shamim, Atif cc
    Sharawi, Mohammad S.
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    KAUST Grant Number
    KAUST002
    OSR 2016-KKI-2899
    Date
    2019-04-30
    Permanent link to this record
    http://hdl.handle.net/10754/653090
    
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    Abstract
    In this article, a miniaturized 4-element frequency reconfigurable multiple-input-multiple-output (MIMO) antenna system is presented. The proposed design is low profile with planar configuration. The design consists of pentagonal slot-based frequency reconfigurable antenna elements. Varactor diodes are used to change the capacitive reactance of the slot. The MIMO antenna system can be tuned over a frequency band covering 3.2 to 3.9 GHz with at least 100 MHz bandwidth within each band. The proposed antenna covers several commercial standards including WiMAX (3.4-3.6 GHz), TDD LTE (3.6-3.8 GHz), and Wi-Fi 802.11y (3.65-3.7 GHz), along with several other bands. The proposed design was realized on a board of dimensions 60 × 120 mm2. The isolation between adjacent antenna elements is improved using slot-line based defected ground structures (DGS). The antenna maintains a minimum isolation of 10 dB in its entire covered operating bands. The antenna is also analyzed for its far-field characteristics and MIMO performance parameters. The proposed design is suitable to be used in mobile handsets for cognitive radio (CR) platforms.
    Citation
    Hussain R, Raza A, Khan MU, Shammim A, Sharawi MS (2019) Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications. International Journal of RF and Microwave Computer-Aided Engineering: e21811. Available: http://dx.doi.org/10.1002/mmce.21811.
    Sponsors
    This work is supported in part by the Deanship of Scientific Research (DSR) at King Fahd University of Petroleum and Minerals (KFUPM) under project number KAUST002 and in part by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. OSR 2016-KKI-2899.
    Publisher
    Wiley
    Journal
    International Journal of RF and Microwave Computer-Aided Engineering
    DOI
    10.1002/mmce.21811
    Additional Links
    https://onlinelibrary.wiley.com/doi/full/10.1002/mmce.21811
    ae974a485f413a2113503eed53cd6c53
    10.1002/mmce.21811
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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