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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

On-line version ISSN 2179-1074

Abstract

BOAS, E. C. Vilas; ALVES, A. A. C.; RIBEIRO, J. A. J.  and  CERQUEIRA S. JR., Arismar. A Novel Dielectric Slab Antenna Based on Microstrip-Franklin Excitation for mm-Waves. J. Microw. Optoelectron. Electromagn. Appl. [online]. 2020, vol.19, n.2, pp.203-213.  Epub June 08, 2020. ISSN 2179-1074.  https://doi.org/10.1590/2179-10742020v19i2822.

This work reports the development of a novel dielectric slab antenna based on microstrip-Franklin radiators, which enables efficient impedance matching among microstrip lines, substrate and air. The proposed antenna has been designed and numerically evaluated using ANSYS HFSS®. Its directivity ranges from 6.67 to 16.24 dB, as its length is increased from 19.9 to 170 mm. The 80 mm-length antenna prototype provides 11.14% fractional bandwidth (27.96 - 31.26 GHz) and 10.5 dBi gain at 30 GHz. The proposed antenna has been manufactured and applied to an indoor digital wireless communication link to provide 6 Gb/s throughput using 64-QAM modulation format, aiming 5G applications.

Keywords : 5G; antennas; dielectric slab antenna; microstrip-Franklin antenna and mm-waves.

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