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Progress In Electromagnetics Research Letters
ISSN: 1937-6480
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A COMPACT UWB MONOPOLE ANTENNA WITH WIMAX AND WLAN BAND REJECTIONS

By S.-M. Zhang, F.-S. Zhang, W.-Z. Li, T. Quan, and H.-Y. Wu

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Abstract:
A compact ultrawideband (UWB) monopole antenna with two U-shaped slots for WLAN and WiMAX dual band-notched functions is proposed and experimentally studied. The proposed antenna with the size of 28 mm×24 mm×1.6 mm is excited by a 50Ω microstrip feed line. The band-notch functions are realized by loading two approximate half-wavelength U-shaped slots which change the current distribution on the Y-shaped patch. The obtained results show that the designed antenna has an impedance bandwidth of 2.95 GHz-12 GHz for S11 ≤ -10 dB, except two frequency stop-bands of 3.32 GHz-3.98 GHz for WiMAX and 4.81 GHz-6.68 GHz for WLAN. The antenna has successfully fabricated and measured. The return loss, band-notched characteristic, radiation patterns and peak gains are presented.

Citation:
S.-M. Zhang, F.-S. Zhang, W.-Z. Li, T. Quan, and H.-Y. Wu, "A Compact UWB Monopole Antenna with WiMAX and WLAN Band Rejections," Progress In Electromagnetics Research Letters, Vol. 31, 159-168, 2012.
doi:10.2528/PIERL12032003

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