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PIER PIER B PIER C PIER M PIER Letters
2008-07-29
Studies on Dual-Band Multi-Slot Antennas
By
Chien-Jen Wang,

    Prof. Chien-Jen Wang

    Department of Electrical Engineering

    National University of Tainan

    Taiwan

    Homepage

Su-Wei Chang

    Dr. Su-Wei Chang

    Institute of Astronomy &Astrophysics

    Academia Sinica

    Taiwan

    Homepage

Progress In Electromagnetics Research, Vol. 83, 293-306, 2008
doi:10.2528/PIER08061104
Abstract
A new technique is proposed to increase the bandwidth (BW) of slot antenna operated at 2.4 GHz and 5 GHz, over the industrial-scientific-medical (ISM) bands and the Hiperlan2 bands. By splitting two side slots of the Z-like slot antenna into two or three fingers, several additional resonances can be created. By properly arranging the geometry of the feeding structure in the multi-slot region, the double-slot and triple-slot antennas have respectively 2.0 and 3.2 times wider bandwidth than the single Z-slot antenna. According to the results, the proposedtriple-slot antenna can provide two separated impedance bandwidths of 672 Hz (about 28.3% centered at 2.4 GHz band) and 2752 MHz (about 53.5% centered at 5.2 GHz band), making it easily cover the required bandwidths for WLAN operation in the 2.4 GHz bandand 5.2/5.8 GHz bands.
Citation
Chien-Jen Wang, and Su-Wei Chang, "Studies on Dual-Band Multi-Slot Antennas," Progress In Electromagnetics Research, Vol. 83, 293-306, 2008.
doi:10.2528/PIER08061104
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