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Progress In Electromagnetics Research
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COMPACT DUAL-BAND ANNULAR-RING SLOT ANTENNA WITH MEANDERED GROUNDED STRIP

By J.-Y. Sze, T.-H. Hu, and T.-J. Chen

Full Article PDF (445 KB)

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:
J.-Y. Sze, T.-H. Hu, and T.-J. 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
http://www.jpier.org/PIER/pier.php?paper=09072404

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