A Defected Ground Structure Based Compact Circular Patch Antenna Design for mm-Wave Application
Abstract
This paper presents a novel defected ground structure-based slotted circular patch antenna for mm-Wave application. A circular patch antenna with a compact size of 10 mm×8 mm×0.75 mm is fabricated in the lab. The designed antenna has a 2 GHz impedance bandwidth that covers the frequency range of 42GHz to 44GHz. It achieves a directional radiation pattern for millimeter-wave applications and has a maximum realized gain of 6 dBi at the operating frequency of 42.65 GHz. Defected ground structure (DGS) is loaded on the bottom of the dielectric substrate, which improves the gain and reduces the surface wave propagation. The proposed antenna has achieved circular polarization which makes it suitable for the mm-Wave application.
Simulated S 11 (dB) with optimization steps.
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Measured and simulated S 11 (dB) without loading of defected ground structure.
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Comparison of the parameters of proposed work with other reference papers.
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Conflict of interest
“Authors state no conflict of interest”
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This research received no external funding or grants
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