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COMPACT WLAN BAND-NOTCHED PRINTED ULTRAWIDEBAND MIMO ANTENNA WITH POLARIZATION DIVERSITY

By S. Femina Beegum and S. K. Mishra

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Abstract:
A novel uniplanar compact WLAN band-notched printed ultrawideband (UWB)-multiple-input-multiple-output (MIMO) antenna with dual polarization for high data-rate wireless communication is proposed. The antenna consists of two CPW-fed floral radiating elements along with a decoupling structure to ensure high isolation. The band notch at the WLAN frequency band is achieved by etching one single U-shaped slot on each antenna element. Results show that the proposed antenna gives impedance bandwidth from 2.7 GHz to 10.9 GHz with notched frequency band from 5.1 GHz to 5.9 GHz. The proposed antenna provides nearly omnidirectional radiation pattern, low envelope correction coefficient [ECC], moderate gain, efficiency, fidelity factor and pattern stability factor [PSF]. Furthermore, diversity characteristics such as mean effective gain [MEG] and diversity gain [DG] are also studied. Moreover, the time-domain analysis displays minimum dispersion to the radiated pulse. All these features make the proposed antenna a good candidate for future high data-rate wireless communication systems with polarization-diversity operation, where the challenge of multipath fading is a major concern.

Citation:
S. Femina Beegum and S. K. Mishra, "Compact WLAN Band-Notched Printed Ultrawideband MIMO Antenna with Polarization Diversity," Progress In Electromagnetics Research C, Vol. 61, 149-159, 2016.
doi:10.2528/PIERC15111104

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