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Article

Metamaterial-Based LTCC Compressed Luneburg Lens Antenna at 60 GHz for Wireless Communications

by
Dmitry Zelenchuk
1,*,
Vitalii Kirillov
2,
Camilla Kärnfelt
3,
Francois Gallée
3 and
Irina Munina
4
1
Centre for Wireless Innovations, Queen’s University of Belfast, Belfast BT3 9DT, UK
2
Tyndall National Institute, T12 R5CP Cork, Ireland
3
Lab-STICC, IMT Atlantique, UMR CNRS 6285, 29238 Brest, France
4
Department of Mechanical, Manufacturing & Biomedical Engineering, Trinity College Dublin, D02 KF66 Dublin, Ireland
*
Author to whom correspondence should be addressed.
Electronics 2023, 12(11), 2354; https://doi.org/10.3390/electronics12112354
Submission received: 15 April 2023 / Revised: 13 May 2023 / Accepted: 17 May 2023 / Published: 23 May 2023
(This article belongs to the Special Issue Disruptive Antenna Technologies Making 5G a Reality)
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Abstract

In this study, a metamaterial-based LTCC compressed Luneburg lens was designed, manufactured and measured. The lens was designed at 60 GHz to utilize the unlicensed mm-wave spectrum available for short-range high-capacity wireless communication networks. The transformation optics method was applied to ensure the compression of the Luneburg lens antenna and thus maintain a low-profile structure. The two different types of unit cells for low and high permittivity regions were considered. The parametric study of the effect of compression on lens performance was presented. The antenna is implemented with a standard high-permittivity LTCC process, and details of the manufacturing process for the metamaterial lens are discussed. The low-profile lens is thinner than 2 mm and measures 19 mm in diameter. A size reduction of 63.6% in comparison with a spherical lens was achieved. The near-field to far-field mm-wave measurement technique is presented, and the measurement results show a peak antenna gain of 16 dBi at 60 GHz and a beam-scanning capacity with 1 dB scan loss within a 50° field of view.
Keywords: antenna; lens; metamaterial; mm-wave antenna; lens; metamaterial; mm-wave
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MDPI and ACS Style

Zelenchuk, D.; Kirillov, V.; Kärnfelt, C.; Gallée, F.; Munina, I. Metamaterial-Based LTCC Compressed Luneburg Lens Antenna at 60 GHz for Wireless Communications. Electronics 2023, 12, 2354. https://doi.org/10.3390/electronics12112354

AMA Style

Zelenchuk D, Kirillov V, Kärnfelt C, Gallée F, Munina I. Metamaterial-Based LTCC Compressed Luneburg Lens Antenna at 60 GHz for Wireless Communications. Electronics. 2023; 12(11):2354. https://doi.org/10.3390/electronics12112354

Chicago/Turabian Style

Zelenchuk, Dmitry, Vitalii Kirillov, Camilla Kärnfelt, Francois Gallée, and Irina Munina. 2023. "Metamaterial-Based LTCC Compressed Luneburg Lens Antenna at 60 GHz for Wireless Communications" Electronics 12, no. 11: 2354. https://doi.org/10.3390/electronics12112354

APA Style

Zelenchuk, D., Kirillov, V., Kärnfelt, C., Gallée, F., & Munina, I. (2023). Metamaterial-Based LTCC Compressed Luneburg Lens Antenna at 60 GHz for Wireless Communications. Electronics, 12(11), 2354. https://doi.org/10.3390/electronics12112354

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