A Novel Dielectric Slab Antenna Based on Microstrip-Franklin Excitation for mm-Waves

Boas, E. C. Vilas; Alves, A. A. C.; Ribeiro, J. A. J.; Cerqueira S. Jr., Arismar

doi:10.1590/2179-10742020v19i2822

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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

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Article • J. Microw. Optoelectron. Electromagn. Appl. 19 (2) • June 2020 • https://doi.org/10.1590/2179-10742020v19i2822 copy

A Novel Dielectric Slab Antenna Based on Microstrip-Franklin Excitation for mm-Waves

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

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.

Index Terms
5G; antennas; dielectric slab antenna; microstrip-Franklin antenna and mm-waves

Reference	Feeding structure type	Dieletric extension geometry	Prototype total length	Feeding structure gain [dBi]	Prototype dielectric increased gain [dB] vs. length
[¹⁷[17] H. Wang et al., “Dielectric Loaded Substrate Integrated Waveguide (SIW) H-Plane Horn Antennas,” in IEEE Transactions on Antennas and Propagation, vol. 58, no. 3, pp. 640-647, 2010.]	Substrate integrated waveguide H- plane horn antenna (SIW)	Elliptical slab	2.67 λ_c	5.75	3.55 - 0.87 λ_c
	Substrate integrated waveguide H- plane horn antenna (SIW)	Rectangular slab	2.65 λ_c	5.75	4.05 - 0.86 λ_c
[¹⁸[18] R. Kazemi, A. E. Fathy e R. A. Sadeghzadeh, “Dielectric Rod Antenna Array With Substrate Integrated Waveguide Planar Feed Network for Wideband Applications,” in IEEE Transactions on Antennas and Propagation, vol. 60, no. 3, pp. 1312-1319, 2012.]	Substrate integrated waveguide Vivaldi antenna Antipodal	Cylindrical rod	0.65 λ_c	2.30	2.23 - 0.14 λ_c
[¹⁹[19] M. Moosazadeh, “High-Gain Antipodal Vivaldi Antenna Surrounded by Dielectric for Wideband Applications,” in IEEE Transactions on Antennas and Propagation, vol. 66, no. 8, pp. 4349-4352, 2018.]	Vivaldi Antenna with an extended lens	Rectangular slab	9.63 λ_c	12.00	8.00 - 9.31 λ_c
[²⁰[20] M. Nasir, Y. Xia, M. Jiang and Q. Zhu, “A Novel Integrated Yagi–Uda and Dielectric Rod Antenna With Low Sidelobe Level,” in IEEE Transactions on Antennas and Propagation, vol. 67, no. 4, pp. 2751-2756, 2019.]	Yagi-Uda antenna array	Cylindrical tapered rod	7.60 λ_c	12.55	5.45 - 7.60 λ_c
[²¹[21] W. Jingxuan, et al. “Low-cost and Easy Manufactured Dielectric Rod Antennas based on 3D Printing Technology,” In International Journal of RF and Microwave Computer-Aided Engineering, 2019.]	Log-periodic dipole array	Cylindrical rod with air holes	8.80 λ_c	7.00	5.5 - 2.0 λ_c
This work	Microstrip-Franklin	Rectangular slab	7.89 λ_c	6.67	3.83 - 6.71 λ_c

Reference	FBW [%]	f_c [GHz]	Gain [dBi]	SLL [dB]
[¹⁷[17] H. Wang et al., “Dielectric Loaded Substrate Integrated Waveguide (SIW) H-Plane Horn Antennas,” in IEEE Transactions on Antennas and Propagation, vol. 58, no. 3, pp. 640-647, 2010.]	4.71	26.75	9.30	> 10.00
[¹⁷[17] H. Wang et al., “Dielectric Loaded Substrate Integrated Waveguide (SIW) H-Plane Horn Antennas,” in IEEE Transactions on Antennas and Propagation, vol. 58, no. 3, pp. 640-647, 2010.]	4.67	26.5	9.70	> 8.27
[¹⁸[18] R. Kazemi, A. E. Fathy e R. A. Sadeghzadeh, “Dielectric Rod Antenna Array With Substrate Integrated Waveguide Planar Feed Network for Wideband Applications,” in IEEE Transactions on Antennas and Propagation, vol. 60, no. 3, pp. 1312-1319, 2012.]	56.41	9.75	4.43	> 5.00
[¹⁹[19] M. Moosazadeh, “High-Gain Antipodal Vivaldi Antenna Surrounded by Dielectric for Wideband Applications,” in IEEE Transactions on Antennas and Propagation, vol. 66, no. 8, pp. 4349-4352, 2018.]	163.63	27.5	20.00	> 14.60
[²⁰[20] M. Nasir, Y. Xia, M. Jiang and Q. Zhu, “A Novel Integrated Yagi–Uda and Dielectric Rod Antenna With Low Sidelobe Level,” in IEEE Transactions on Antennas and Propagation, vol. 67, no. 4, pp. 2751-2756, 2019.]	13.18	9.10	18.00	> 23.37
[²¹[21] W. Jingxuan, et al. “Low-cost and Easy Manufactured Dielectric Rod Antennas based on 3D Printing Technology,” In International Journal of RF and Microwave Computer-Aided Engineering, 2019.]	26.00	10.00	12.50	-
This work	11.14	29.61	10.50	> 6.00

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