DIRECTIONAL DUAL-BAND SLOT ANTENNA WITH DUAL-BANDGAP HIGH-IMPEDANCE-SURFACE REFLECTOR | Zendy

Xiulong Bao | Zendy; Giuseppe Ruvio | Zendy; Max J. Ammann | Zendy

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DIRECTIONAL DUAL-BAND SLOT ANTENNA WITH DUAL-BANDGAP HIGH-IMPEDANCE-SURFACE REFLECTOR

Author(s) -

Xiulong Bao,

Giuseppe Ruvio,

Max J. Ammann

Publication year - 2009

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc09051505

Subject(s) - multi band device , reflector (photography) , strips , electrical impedance , materials science , bandwidth (computing) , optoelectronics , optics , microstrip antenna , microstrip , frequency band , slot antenna , acoustics , antenna (radio) , physics , electrical engineering , engineering , telecommunications , composite material , light source

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

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