Progress In Electromagnetics Research C
ISSN: 1937-8718
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By J. Xu, D. Dong, S. Chen, Z. Liao, and G. Liu

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A compact microstrip-fed antenna with dual band-notched characteristics for ultrawideband (UWB) applications is presented. By introducing two open-ended inverted L-shaped slots, two sharp notches are achieved at frequencies of 3.16-3.70 GHz and 5.10-5.95 GHz for VSWR < 2. A rectangular slot in the ground plane can improve the impedance bandwidth of the proposed antenna. The prototype occupies a compact area of 22 × 26 mm2. The measurement results indicate that the proposed antenna can reject the interference with coexisting worldwide interoperability for microwave access (WiMAX) and wireless local area network (WLAN) systems. The proposed antenna shows relatively omnidirectional radiation patterns in the pass band.

J. Xu, D. Dong, S. Chen, Z. Liao, and G. Liu, "A Compact Dual Sharp Band-Notched UWB Antenna with Open-Ended Slots," Progress In Electromagnetics Research C, Vol. 53, 11-18, 2014.

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