Mutual Coupling Reduction of a Wideband Circularly Polarized Microstrip MIMO Antenna

Adam, Ismahayati and Mohd Yasin, Mohd Najib and Ramli, Nurulazlina and Jusoh, Muzammil and Rahim, Hasliza A. and Latef, Tarik Abdul and Tengku Mohmed Noor Izam, Tengku Faiz and Sabapathy, Thennarasan (2019) Mutual Coupling Reduction of a Wideband Circularly Polarized Microstrip MIMO Antenna. IEEE Access, 7. pp. 97838-97845. ISSN 2169-3536, DOI

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Mutual coupling (MC) between elements in an antenna array could significantly affect antenna performance, but this effect has rarely been reported for circularly polarized (CP) antennas. Therefore, this paper investigates a wideband CP multiple-input-multiple-output (MIMO) antenna operating between 1.8 and 2.6 GHz. A line patch was introduced between closely placed radiating elements ( 0.3\lambda ) to produce a high isolation between elements in the proposed antenna. The designed MIMO antenna has a wide impedance bandwidth, a wide axial ratio (AR) bandwidth, a very low MC ( \text{S}-{{21}} < -25 dB), a low envelop correlation coefficient (ECC < 0.01), a high diversity gain (DG 10 dB), and a realized gain of above 2 dB over the entire frequencies. The prototype of the proposed antenna geometry was fabricated and measured. A good agreement between the simulated and measured results was observed. © 2013 IEEE.

Item Type: Article
Funders: SEGi University
Uncontrolled Keywords: Array antenna; circular polarized antenna; MIMO; mutual coupling
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 18 May 2020 03:09
Last Modified: 18 May 2020 03:09

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