Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications
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Type
ArticleKAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering Program
KAUST Grant Number
KAUST002OSR 2016-KKI-2899
Date
2019-04-30Permanent link to this record
http://hdl.handle.net/10754/653090
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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
WileyAdditional Links
https://onlinelibrary.wiley.com/doi/full/10.1002/mmce.21811ae974a485f413a2113503eed53cd6c53
10.1002/mmce.21811