Metamaterial-Based Highly Isolated MIMO Antenna for Portable Wireless Applications

In this paper, a metamaterial structure is presented to lower the mutual coupling between the closely spaced microstrip patch antenna elements. Two elements Multiple Input Multiple Output (MIMO) antenna is closely placed with each other at edge to edge separation of 0.135 λ 0 (7 mm). Isolation impro...

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Bibliographic Details
Published in:Electronics (Basel) 2018-10, Vol.7 (10), p.267
Main Authors: Iqbal, Amjad, A Saraereh, Omar, Bouazizi, Amal, Basir, Abdul
Format: Article
Language:English
Subjects:
Antennas
Channel capacity
Conflicts of interest
Design
Electrical engineering
High gain
Metamaterials
Microstrip antennas
Musical performances
Mutual coupling
Patch antennas
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Summary:In this paper, a metamaterial structure is presented to lower the mutual coupling between the closely spaced microstrip patch antenna elements. Two elements Multiple Input Multiple Output (MIMO) antenna is closely placed with each other at edge to edge separation of 0.135 λ 0 (7 mm). Isolation improvement of 9 dB is achieved by keeping the metamaterial structure in between the MIMO elements. With the proposed structure, the isolation is achieved around −24.5 dB. Due to low ECC, high gain, low channel capacity loss and very low mutual coupling between elements, the proposed antenna is a good candidate for the MIMO applications. The proposed antenna is fabricated and tested. A reasonable agreement between simulated and measured results is observed.
ISSN:2079-9292
2079-9292
DOI:10.3390/electronics7100267