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Progress In Electromagnetics Research Letters
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A MINIATURIZED QUASI-SELF-COMPLEMENTARY UWB ANTENNA WITH BAND-REJECTION CHARACTERISTIC

By L. Xu and P. Gao

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Abstract:
A miniaturized ultra-wideband (UWB) quasi-self-complementary antenna (QSCA) with band-rejection characteristic is presented and discussed. With the tapered microstrip-fed line and flower-shaped QSC structure, a lower cut-in frequency (3.18 GHz) is obtained with a compact size (9x17.5x1 mm3). By embedding a five-star-shaped ring resonator under the radiation patch, a band-notched feature is achieved. The measured impedance bandwidth below 2:1 VSWR is from 3.18 GHz to 13.4 GHz with a rejection band from 5.45 GHz to 5.95 GHz, and the simulated and measured results of the proposed antenna are in good agreement. Thus, the antenna is suitable to be integrated with the space-limited wireless system without electromagnetic interference at the WLAN (5.47-5.825 GHz) band.

Citation:
L. Xu and P. Gao, "A Miniaturized Quasi-Self-Complementary UWB Antenna with Band-Rejection Characteristic," Progress In Electromagnetics Research Letters, Vol. 64, 43-49, 2016.
doi:10.2528/PIERL16081201

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