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Comparative study of slot loaded rectangular microstrip antenna for impedance bandwidth and its verification
Author(s) -
Samee. M.,
Mulgi S. N.
Publication year - 2011
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.26105
Subject(s) - microstrip antenna , slot antenna , bandwidth (computing) , patch antenna , electrical impedance , acoustics , microwave , antenna measurement , microstrip , engineering , optics , physics , electrical engineering , antenna (radio) , telecommunications
Abstract This article presents the comparative study of impedance bandwidth of rectangular microstrip antenna comprising different shaped slots on the patch. It is found that the rectangular slot on the center of patch is effective for the enhancement of impedance bandwidth in comparison with elliptical and circular shaped slots. Further, if the rectangular slot is shifted from the center of the patch, antenna provides dual bands. Later, if the G‐shaped slot is constructed using rectangular slots, antenna gives maximum impedance bandwidth of 78.07% and gain 3 dB. The experimental impedance bandwidth of proposed antennas is verified theoretically. In all the cases, the radiation pattern is found to be broadside in nature. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26105