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2021-03-18

Gain Enhancement of SIW Cavity-Backed Antenna Using Dielectric Loading

By Dhara Milan Patel and Falguni Raval
Progress In Electromagnetics Research C, Vol. 111, 61-72, 2021
doi:10.2528/PIERC21011903

Abstract

This article presents the design and development of a low profile substrate integrated waveguide semi-circular cavity-backed antenna loaded with dielectric cylinders of glass-reinforced epoxy and Teflon. The substrate integrated waveguide semi-circular cavity-backed antenna without dielectric loading radiates at 5.8 GHz with 3.13 dB gain. The antenna is modified by putting dielectric cylinders of different materials and different sizes at the edge of a semi-circular cavity to enhance the gain of the antenna. The new antenna thus created has improved gain of 8.13 dB. All simulations are done using high frequency structure simulation software. The proposed design is fabricated on a glass-reinforced epoxy substrate with a semi-circular cavity having a size of 60 mm x 50 mm. The measured results are in good agreement with simulated ones.

Citation


Dhara Milan Patel and Falguni Raval, "Gain Enhancement of SIW Cavity-Backed Antenna Using Dielectric Loading," Progress In Electromagnetics Research C, Vol. 111, 61-72, 2021.
doi:10.2528/PIERC21011903
http://jpier.org/PIERC/pier.php?paper=21011903

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