<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Metamaterials (MTMs) have received considerable attention due to their novel electromagnetic properties. Their applications include enhancing gain and bandwidth in microstrip antennas. In this article, a dual band microstrip antenna design based on characteristic mode analysis (CMA) using MTM superstrate is proposed for 5G wireless communication. The CMA is used for the modelling, analysis and optimization of the proposed antenna to examine the underlying modal behaviour of the MTM unit cell and to guide mode excitation. The antenna structure consists of a microstrip feed line connected to a rectangular patch. Then triangular split ring resonator unit cell is inserted on the ground of a traditional patch antenna that resonates at 15 GHz to produce additional resonance at 10 GHz. A planar array of 2 × 3 triangle MTM unit cells is used as superstrate to improve the gain and bandwidth at both resonances simultaneously. The optimal distance between MTM superstrate and the antenna patch is determined using the Fabry-Perot cavity theory to maximize power directivity and efficiency of the proposed antenna. The CST microwave studio software is used to model and optimize the proposed antenna. A prototype of the designed antenna that was fabricated showed good agreement between measurement and simulation results.</p></abstract>

Metamaterials (MTMs) have received considerable attention due to their novel electromagnetic properties. Their applications include enhancing gain and bandwidth in microstrip antennas. In this article, a dual band microstrip antenna design based on characteristic mode analysis (CMA) using MTM superstrate is proposed for 5G wireless communication. The CMA is used for the modelling, analysis and optimization of the proposed antenna to examine the underlying modal behaviour of the MTM unit cell and to guide mode excitation. The antenna structure consists of a microstrip feed line connected to a rectangular patch. Then triangular split ring resonator unit cell is inserted on the ground of a traditional patch antenna that resonates at 15 GHz to produce additional resonance at 10 GHz. A planar array of 2 × 3 triangle MTM unit cells is used as superstrate to improve the gain and bandwidth at both resonances simultaneously. The optimal distance between MTM superstrate and the antenna patch is determined using the Fabry-Perot cavity theory to maximize power directivity and efficiency of the proposed antenna. The CST microwave studio software is used to model and optimize the proposed antenna. A prototype of the designed antenna that was fabricated showed good agreement between measurement and simulation results.

Metamaterial superstrate microstrip patch antenna for 5G wireless communication based on the theory of characteristic modes

Electrical Engineering Department, Aswan Faculty of Engineering

Department of Electronics and Communications

Journal of Electrical Engineering

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

Metamaterials (MTMs) have received considerable attention due to their novel electromagnetic properties. Their applications include enhancing gain and...

Metamaterial superstrate microstrip patch antenna for 5G wireless communication based on the theory of characteristic modes

Published Online: Jul 18, 2019

Page range: 187 - 197

Received: Dec 20, 2018

Accepted: Mar 20, 2019

DOI: https://doi.org/10.2478/jee-2019-0027

Keywords
5G wireless communications, characteristic mode theory, microstrip antennas, metamaterials

© 2019 Ehab K. I. Hamad et al., published by Sciendo

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

Metamaterial superstrate microstrip patch antenna for 5G wireless communication based on the theory of characteristic modes

Published Online: Jul 18, 2019

Page range: 187 - 197

Received: Dec 20, 2018

Accepted: Mar 20, 2019

DOI: https://doi.org/10.2478/jee-2019-0027

Keywords5G wireless communications, characteristic mode theory, microstrip antennas, metamaterials

© 2019 Ehab K. I. Hamad et al., published by Sciendo

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

Keywords
5G wireless communications, characteristic mode theory, microstrip antennas, metamaterials