Low-Profile and Closely Spaced Four-Element MIMO Antenna for Wireless Body Area Networks


Elfergani, Issa and Rodriguez, Jonathan and Zebiri, Chemseddine and Iqbal, Amjad and Sajedin, Maryam and Mshwat, Widad and Pereira, Artur de Oliveira and Abd-Alhameed, Raed A. and Ullah, Sadiq and Basir, Abdul (2020) Low-Profile and Closely Spaced Four-Element MIMO Antenna for Wireless Body Area Networks. Electronics (Switzerland), 9 (2). pp. 1-16. ISSN 2079-9292

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A compact four-element multiple-input multiple output (MIMO) antenna is proposed for medical applications operating at a 2.4 GHz ISM band. The proposed MIMO design occupies an overall volume of 26 mm × 26 mm × 0.8 mm. This antenna exhibits a good impedance matching at the operating frequency of the ISM band, whose performance attributes include: isolation around 25 dB, envelope correlation coefficient (ECC) less than 0.02, average channel capacity loss (CCL) less than 0.3 bits/s/Hz and diversity gain (DG) of around 10 dB. The average peak realized gain of the four-element MIMO antenna is 2.4 dBi with more than 77 % radiation efficiency at the frequency of interest (ISM 2.4 GHz). The compact volume and adequate bandwidth, as well as the good achieved gain, make this antenna a strong candidate for bio-medical wearable applications.

Item Type: Article
Uncontrolled Keywords: MIMO systems, MIMO antenna, ISM 2.4 GHz, isolation, envelope correlation coefficient (ECC), channel capacity loss (CCL)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 21 Dec 2020 15:09
Last Modified: 23 Aug 2021 01:21
URII: http://shdl.mmu.edu.my/id/eprint/7977


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