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A Deployable and Cost-Effective Kirigami Antenna for Sub-6 GHz MIMO Applications

Kiani, Saad Hassan; Marey, Mohamed; Rafique, Umair; Shah, Syed Imran Hussain; Bashir, Muhammad Adil; Mostafa, Hala; Wong, Sai-Wai; Parchin, Naser Ojaroudi

Authors

Saad Hassan Kiani

Mohamed Marey

Umair Rafique

Syed Imran Hussain Shah

Muhammad Adil Bashir

Hala Mostafa

Sai-Wai Wong



Abstract

In this work, a low-cost, deployable, integratable, and easy-to-fabricate multiple-input multiple-output (MIMO) Kirigami antenna is proposed for sub-6 GHz applications. The proposed MIMO antenna is inspired by Kirigami art, which consists of four radiating and parasitic elements. The radiating and parasitic elements are composed of a rectangular stub. These elements are placed in such a way that they can provide polarization diversity. The proposed MIMO antenna is designed and fabricated using a soft printed board material called flexible copper-clad laminate (FCCL). It is observed from the results that the proposed MIMO antenna resonates in the 2.5 GHz frequency band, with a 10 dB reflection coefficient bandwidth of 860 MHz ranging from 2.19 to 3.05 GHz. It is worthwhile to mention that the isolation between adjacent radiating elements is higher than 15 dB. In addition, the peak realized gain of the MIMO antenna is around 11 dBi, and the total efficiency is more than 90% within the band of interest. Moreover, the envelope correlation coefficient (ECC) is noted to be less than 0.003, and the channel capacity is ≥17 bps/Hz. To verify the simulated results, a prototype was fabricated, and excellent agreement between the measured and computed results was observed. By observing the performance attributes of the proposed design, it can be said that there are many applications in which this antenna can be adopted. Because of its low profile, it can be used in 5G small-cell mobile MIMO base stations, autonomous light mobility vehicles, and other applications.

Journal Article Type Article
Acceptance Date Oct 8, 2022
Online Publication Date Oct 13, 2022
Publication Date 2022
Deposit Date Oct 17, 2022
Publicly Available Date Oct 17, 2022
Journal Micromachines
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 13
Issue 10
Article Number 1735
DOI https://doi.org/10.3390/mi13101735
Keywords MIMO; Kirigami antenna; sub-6 GHz; polarization diversity
Public URL http://researchrepository.napier.ac.uk/Output/2933060

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