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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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STUDY OF A NOVEL WIDEBAND CIRCULAR SLOT ANTENNA HAVING FREQUENCY BAND-NOTCHED FUNCTION

By G.-P. Gao, M. Li, S.-F. Niu, X.-J. Li, B.-N. Li, and J.-S. Zhang

Full Article PDF (1,302 KB)

Abstract:
In this paper, the design, simulation, and fabrication of a novel printed circular slot antenna with a band-notched function suitable for UWB application is presented and investigated. The band-notched characteristic is achieved and adjusted by inserting L-shaped branches into the ground plane. Experimental results show that the proposed antenna meets the requirement of wide working bandwidth of 3.1-10.6 GHz with return loss < -10 dB, while avoiding the interference with the 5-GHz WLAN band. The study of transfer function (amplitude of S21/group delay) and time domain characteristic (fidelity/power spectrum density (PSD)) indicate a band-notched function of the antenna. The proposed antenna has a compact size, good radiation characteristics, ultra wide band-width, and good time-domain behaviors to satisfy the requirement of the current wireless communication systems.

Citation:
G.-P. Gao, M. Li, S.-F. Niu, X.-J. Li, B.-N. Li, and J.-S. Zhang, "Study of a novel wideband circular slot antenna having frequency band-notched function," Progress In Electromagnetics Research, Vol. 96, 141-154, 2009.
doi:10.2528/PIER09080308
http://www.jpier.org/PIER/pier.php?paper=09080308

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