<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This study thoroughly investigates a two-port multiple-input multiple-output (MIMO) antenna system tailored for 5G operation at 28 GHz. The proposed antenna is patched on a Rogers (RT5880) substrate with a relative permittivity of 2.2 and total size of 20×12×0.508 mm<sup>3</sup>. The mutual relationship between the radiating patches is refined using an H-shaped metamaterial structure to reduce the isolation to –55 dB. A MIMO configuration with attractive features is employed to reduce the envelope correlation coefficient (<italic>ECC</italic>) to about 0.00062 and the channel capacity loss (<italic>CCL</italic>) to about 0.006 bits/sec/Hz, while magnify the gain to about 9.39 dBi and the diversity gain (<italic>DG</italic>) to about 9.995. Additionally, it boasts a compact size with stable radiation pattern. The simulations of the MIMO antenna are executed using CST microwave studio, subsequently validated with Advanced Design System (ADS) for an equivalent circuit model, then measured using Vector Network Analyzer. Discrepancies between measured and simulated results were analyzed, with observed variations attributed to cable losses and manufacturing tolerances. Despite these challenges, a comprehensive comparison with prior research highlights the notable advantages of the proposed design, positioning it as a compelling solution for 5G applications.</p>
</abstract>

This study thoroughly investigates a two-port multiple-input multiple-output (MIMO) antenna system tailored for 5G operation at 28 GHz. The proposed antenna is patched on a Rogers (RT5880) substrate with a relative permittivity of 2.2 and total size of 20×12×0.508 mm3. The mutual relationship between the radiating patches is refined using an H-shaped metamaterial structure to reduce the isolation to –55 dB. A MIMO configuration with attractive features is employed to reduce the envelope correlation coefficient (ECC) to about 0.00062 and the channel capacity loss (CCL) to about 0.006 bits/sec/Hz, while magnify the gain to about 9.39 dBi and the diversity gain (DG) to about 9.995. Additionally, it boasts a compact size with stable radiation pattern. The simulations of the MIMO antenna are executed using CST microwave studio, subsequently validated with Advanced Design System (ADS) for an equivalent circuit model, then measured using Vector Network Analyzer. Discrepancies between measured and simulated results were analyzed, with observed variations attributed to cable losses and manufacturing tolerances. Despite these challenges, a comprehensive comparison with prior research highlights the notable advantages of the proposed design, positioning it as a compelling solution for 5G applications.

High-performance MTM inspired two-port MIMO antenna structure for 5G/IoT applications

Electrical Engineering Department, Faculty of Engineering

Department of Electronics & Communications Engineering

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This study thoroughly investigates a two-port multiple-input multiple-output (MIMO) antenna system tailored for 5G operation at 28 GHz. The proposed antenna is...

High-performance MTM inspired two-port MIMO antenna structure for 5G/IoT applications

Published Online: Jun 08, 2024

Page range: 214 - 223

Received: Mar 16, 2024

DOI: https://doi.org/10.2478/jee-2024-0026

Keywords
antenna, IoT, MIMO, high isolation, 5G, metamaterial

© 2024 Samia Hamdan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

High-performance MTM inspired two-port MIMO antenna structure for 5G/IoT applications

Published Online: Jun 08, 2024

Page range: 214 - 223

Received: Mar 16, 2024

DOI: https://doi.org/10.2478/jee-2024-0026

Keywordsantenna, IoT, MIMO, high isolation, 5G, metamaterial

© 2024 Samia Hamdan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
antenna, IoT, MIMO, high isolation, 5G, metamaterial