Compact ACS-fed CRLH MIMO antenna for wireless applications

This study introduces a compact asymmetric coplanar strip (ACS)-fed composite right–left-handed (CRLH) multiple-input–multiple-output (MIMO) antenna for multiband operation. The ACS fed MIMO antenna is composed of two elements; each is operating at 5, 5.8 and 6.3 GHz; for different wireless applicat...

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Bibliographic Details
Published in:IET microwaves, antennas & propagation antennas & propagation, 2018-05, Vol.12 (6), p.1021-1025
Main Authors: Ibrahim, Ahmed A, Abdalla, Mahmoud A, Hu, Zhirun
Format: Article
Language:English
Subjects:
antenna feeds
channel capacity
compact ACS‐fed CRLH MIMO antenna
compact asymmetric coplanar strip‐fed composite right–left‐handed multiple‐input–multiple‐output antenna
coplanar waveguides
correlation coefficient
diversity gain
edge‐to‐edge separation
frequency 5 GHz to 6.3 GHz
insertion loss
microwave antenna arrays
multifrequency antennas
Research Article
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Summary:This study introduces a compact asymmetric coplanar strip (ACS)-fed composite right–left-handed (CRLH) multiple-input–multiple-output (MIMO) antenna for multiband operation. The ACS fed MIMO antenna is composed of two elements; each is operating at 5, 5.8 and 6.3 GHz; for different wireless applications. The overall MIMO antenna size is compact (46 × 26 mm2). A unit cell of the CRLH connected to 50 Ω ACS fed is considered the main block of the antenna. The edge-to-edge separation between antenna elements equals 0.4λ0 at 5 GHz. The insertion loss, correlation coefficient, diversity gain and channel capacity are used to evaluate the performance of the ACS-fed MIMO antenna. The isolation higher than 25 dB and envelope correlation lower than 0.05 have been achieved without using any extra decoupling structures. The experimental results are reasonably well agreed with simulated ones.
ISSN:1751-8725
1751-8733
1751-8733
DOI:10.1049/iet-map.2017.0975