Dual-Sense Circularly Polarized Stacked Fractal Slotted Antenna for WLAN/Bluetooth System
Pages 2013 - 2028
Abstract
A dual-sense stacked circularly polarized (CP) antenna using single feed is proposed for wireless applications (WLAN/Bluetooth). An inclined third iterative F-shaped fractal slot is cut in the first quadrant on the lower driven patch and an added same fractal slot in the third quadrant is used as the upper parasitic patch. The inclined F-shaped fractal slot etched on a parasitic patch, is able to create dual-sense CP radiation. The proposed structure has volume of 0.31λ0 × 0.31λ0 × 0.026λ0, λ0 (free space wavelength) at 2.487 GHz. The measured results of right-hand Circular polarization and left-hand circular polarization shows good CP radiation characteristic. The − 10 dB return loss bandwidth of the antenna was around 7.43% (2.395–2.58 GHz). The 3-dB axial ratio bandwidths (ARBW) for lower and upper bands are respectively, 0.91% (2.4-2.422 GHz) and 0.62% (2.546–2.562 GHz). The peak gain for lower and upper bands are, 2.35 dBic and 2 dBic respectively for stacked fractal slotted antenna.
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Kluwer Academic Publishers
United States
Publication History
Published: 17 April 2024
Accepted: 10 March 2024
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