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Progress In Electromagnetics Research Letters
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AN ULTRA-WIDEBAND TWIN-PATCH MONOPOLE ANTENNA WITH BAND-REJECTION CHARACTERISTIC

By C.-M. Wu and Y.-H. Liu

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Abstract:
To suppress electromagnetic interference at 5.5-GHz WLAN (5.15-5.825 GHz) band operation, a novel ultra-wideband (UWB) design of a slotted twin-patch monopole antenna with a band-rejection characteristic is presented. The proposed antenna with a simple structure has a large impedance bandwidth, defined by 10-dB return loss, covering the range from 2.95 to 10.85 GHz, and a tunable cutoff band from 5.18 to 6 GHz for band-operation suppression. Measured monopole-like radiation pattern and in-band average gain of about 2.3 dBi have also been obtained, simultaneously, with good agreement to the simulated results.

Citation:
C.-M. Wu and Y.-H. Liu, "An Ultra-Wideband Twin-Patch Monopole Antenna with Band-Rejection Characteristic," Progress In Electromagnetics Research Letters, Vol. 53, 77-82, 2015.
doi:10.2528/PIERL15030107

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