Volume 2, Number 1 (2024)

Metamaterial Based Mimo Array Antenna For Mm-Wave Applications

Nasri, Nour Elhouda; EL GHZAOUI, Mohammed; Fattah, Mohammed
1 High School of Technology, Moulay Ismail University, Meknes
2 Sidi Mohamed Ben Abdellah University, Fes, Morocco
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DOI: 10.5281/zenodo.17167811
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Abstract

This paper introduces a new 3x2 Multiple Input Multiple Output (MIMO) array antenna proposed for 28/35 GHz. Crafted with precision; it introduces a low-profile planar-patterned metamaterial (MTM) structure. It meticulously employs five interlinked ring elements to attain an efficient NZI (near-zero index) spectrum for permittivity and permeability. Highlighted in MTM unit cell are remarkable technical features, such as an expansive bandwidth of 15 GHz. Particularly noteworthy are the mu-near-zero (MNZ) and epsilon near zero (ENZ) characteristics, encompassing 15 GHz (26-41 GHz). It is worth noting that the layout employs a 2-port MIMO antenna configuration, each component intricately fashioned utilizing a 3-cell array configuration. The MTM based MIMO antenna was designed using the substrate Rogers RT/duroid 5870, highlighting a small size of 47× 45 × 0.4 mm³. The obtained outcomes shows impressive performance indicators, comprising a dual bandwidth range from 26 to 28.7 GHz and 35.15 to 35.45 GHz, isolation below ?24 dB at 28 GHz and -20 dB at 35 GHz. Adding to that, the MIMO antenna exhibits excellent diversity parameters, like a mean effective gain (MEG < ?3 dB), an elevated diversity gain (DG> 9.95), a low channel capacity loss (CCL < 0.4), and a diminished envelope correlation coefficient (ECC < 0.04), on both bands. The innovative MIMO antenna system utilizing MTM technology presents exceptional design and performance characteristics, rendering it appropriate for integration into 5G millimeter-wave applications.

Keywords: mm-wave, MIMO, 5G, metamaterial, dual-bandwidth, DG, ECC, MEG.

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How to Cite

Nasri, Nour Elhouda; EL GHZAOUI, Mohammed; Fattah, Mohammed. (2024). Metamaterial Based Mimo Array Antenna For Mm-Wave Applications. PEEAP Journal, 2(1), 1-10. https://doi.org/10.5281/zenodo.17167811

Copyright: © 2024 Nasri, Nour Elhouda et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0).