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2024-01-01
Hexa-Slot Wheel Shaped Fractal Orthogonal MIMO Antenna with Polarization Diversity for UWB Applications
By
Progress In Electromagnetics Research Letters, Vol. 116, 31-38, 2024
Abstract
In this paper, a hexa-slot wheel shaped fractal antenna is proposed for UWB applications. Fractal structure (wheel shaped hexa slots) is developed by inscribing hexagons and circles inside a circular patch monopole antenna. Then orthogonal MIMO antenna with polarization diversity is proposed that operates from 1.39-15.18 GHz with an impedance bandwidth of 13.79 GHz. Its performance is analyzed at three resonant frequencies 5.8 GHz, 8.3 GHz and 10 GHz. It exhibits good diversity performance with ECC < 0.035, DG very close to 10, isolation > 35 dB, CCL < 0.35 bits/s/Hz values. The proposed MIMO fractal antenna achieved an average radiation efficiency of 83.11% with 3.26 dB maximum peak gain. TARC characteristics and time domain behavior using group delay are also examined. Simulated and measured results are in good agreement and hence the proposed MIMO antenna with polarization diversity is well suitable for UWB applications.
Citation
Deshpande Ramesh, and Yalavarthi Usha Devi, "Hexa-Slot Wheel Shaped Fractal Orthogonal MIMO Antenna with Polarization Diversity for UWB Applications," Progress In Electromagnetics Research Letters, Vol. 116, 31-38, 2024.
doi:10.2528/PIERL23110301
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