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PIER PIER B PIER C PIER M PIER Letters
2009-08-21
Compact Dual-Band Annular-Ring Slot Antenna with Meandered Grounded Strip
By
Jia-Yi Sze,

    Prof. Jia-Yi Sze

    Department of Electrical and Electronic Engineering

    National Defense University

    Taiwan

    Homepage

Ta-Hsiang Hu,

    Dr. Ta-Hsiang Hu

    Department of Electrical Engineering

    Dayeh University

    Taiwan

    Homepage

Tai-Ju Chen

    Dr. Tai-Ju Chen

    Department of Electrical Engineering

    Dayeh University

    Taiwan

    Homepage

Progress In Electromagnetics Research, Vol. 95, 299-308, 2009
doi:10.2528/PIER09072404
Abstract
A compact dual-band annular-ring slot antenna (ARSA) is proposed for use in 2.4/5 GHz wireless local-area networks (WLANs). With a meandered grounded strip embedded in the ring slot, three resonant modes were excited. With a pair of notches properly etched in the inner circular patch, the third resonant band was sufficiently lowered so that the second and third resonant bands are combined to form a wider upper operating band. If scaled to the same lower operating-band center frequency, the proposed ARSA measures only 53.6% the area of a conventional microstrip-line-fed ARSA. Measured and simulated results were found to agree reasonably well with each other.
Citation
Jia-Yi Sze, Ta-Hsiang Hu, and Tai-Ju Chen, "Compact Dual-Band Annular-Ring Slot Antenna with Meandered Grounded Strip," Progress In Electromagnetics Research, Vol. 95, 299-308, 2009.
doi:10.2528/PIER09072404
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