Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications

Rifaqat Hussain; Ali Raza; Muhammad U. Khan; Atif Shamim; Mohammad S. Sharawi

doi:10.1002/mmce.21811

Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications

Rifaqat Hussain, Ali Raza, Muhammad U. Khan, Atif Shamim, Mohammad S. Sharawi

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

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.

Original language	English (US)
Journal	International Journal of RF and Microwave Computer-Aided Engineering
Volume	29
Issue number	9
DOIs	https://doi.org/10.1002/mmce.21811
State	Published - Apr 30 2019

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10.1002/mmce.21811

https://repository.kaust.edu.sa/bitstream/10754/653090/1/Paper%234_Miniaturized%20Frequency%20Reconfigurable%20Pentagonal%20MIMO-Slot%20Antenna%20for%20Interweave%20CR%20Applications.pdf

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title = "Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications",

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.",

author = "Rifaqat Hussain and Ali Raza and Khan, {Muhammad U.} and Atif Shamim and Sharawi, {Mohammad S.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KAUST002, OSR 2016-KKI-2899 Acknowledgements: 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.",

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AU - Hussain, Rifaqat

AU - Raza, Ali

AU - Khan, Muhammad U.

AU - Shamim, Atif

AU - Sharawi, Mohammad S.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KAUST002, OSR 2016-KKI-2899 Acknowledgements: 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.

PY - 2019/4/30

Y1 - 2019/4/30

N2 - 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.

AB - 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.

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JF - International Journal of RF and Microwave Computer-Aided Engineering

IS - 9

ER -

Miniaturized frequency reconfigurable pentagonal MIMO slot antenna for interweave CR applications

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