Compact broadband dual-frequency slot-loaded rectangular microstrip antenna with ground plane meandering slots and stacking

In this article, compact broadband dual‐frequency slot‐loaded rectangular microstrip antenna with meandering slots in the ground plane and their stacking is presented. Here, first a single‐layer slot‐loaded rectangular microstrip antenna with three identical narrow meandering slots in the ground pla...

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Bibliographic Details
Published in:Microwave and optical technology letters 2007-10, Vol.49 (10), p.2477-2481
Main Authors: K., Usha Kiran, Yadahalli, R. M., M., Vani R., Farida, Sara F., Hunagund, P. V.
Format: Article
Language:English
Subjects:
Antennas
Bandwidth
Broadband
compact broadband antenna and stacking
dual-frequency
Ground plane
ground plane meandering slits
Microstrip antennas
Microwaves
Slits
slot-loaded antenna
Stacking
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Summary:In this article, compact broadband dual‐frequency slot‐loaded rectangular microstrip antenna with meandering slots in the ground plane and their stacking is presented. Here, first a single‐layer slot‐loaded rectangular microstrip antenna with three identical narrow meandering slots in the ground plane (SLRMSA‐MSGP) has been studied. By meandering slot‐loaded rectangular microstrip antenna with meandering slots in the ground plane, dual frequency compact broadband operation has been achieved. The antenna resonates for dual frequency with a size reduction of 50 and 30% having an enhanced bandwidth of 12 and 4.5%, respectively. Again to further enhance the bandwidth, a meandered rectangular patch (using three slits) is stacked on the single‐layer optimized SLRMSA‐MSGP with meandering slits of the top patch in opposite‐phase with the ground plane meandering slots. Here, the lower frequency of the antenna has been further slightly lowered with a significant enhancement in the bandwidth. Using this configuration, the antenna resonates for compact dual frequency with a size reduction of 54 and 32.3% having an enhanced bandwidth of 16.8% and 3% respectively. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2477–2481, 2007; Published online in Wiley InterScience (www.interscience.wiley.com) DOI 10.1002/mop.22797
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.22797