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2009-07-14

Directional Dual-Band Slot Antenna with Dual-Bandgap High-Impedance-Surface Reflector

By Xiu Bao, Giuseppe Ruvio, and Max Ammann
Progress In Electromagnetics Research C, Vol. 9, 1-11, 2009
doi:10.2528/PIERC09051505

Abstract

A compact dual-band high-impedance-surface EBG structure is employed as a reflector for a dual-band annular-slot antenna. The reflector comprises an array of miniaturized EBG cells which utilizes square patches augmented by four S-shaped corrugated arms to reduce the resonant frequency of the proposed EBG structure. In order to broaden the bandwidth and adjust the frequency ratio for the dualband EBG structure, a log-periodic spacing between the S-shaped strips is introduced. The combination of microstrip-fed annular slot and EBG reflector provides directional properties for both frequency bands with reduced size and low-profile.

Citation


Xiu Bao, Giuseppe Ruvio, and Max Ammann, "Directional Dual-Band Slot Antenna with Dual-Bandgap High-Impedance-Surface Reflector," Progress In Electromagnetics Research C, Vol. 9, 1-11, 2009.
doi:10.2528/PIERC09051505
http://www.jpier.org/PIERC/pier.php?paper=09051505

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