Skip navigation
Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/7946
Title: Improved DGS parameter extraction method for the polarization purity of circularly polarized microstrip antenna
Authors: Prajapati P.R.
Patnaik, Amalendu
Kartikeyan, Machavaram Venkata
Published in: International Journal of RF and Microwave Computer-Aided Engineering
Abstract: An improved method of parameter extraction of the most popular dumbbell shaped defected ground structure (DGS) is developed, which removes the drawbacks of the earlier approaches of parameter extraction methods. The proposed method is validated considering a circularly polarized (CP) microstrip antenna integrated with dumbbell shaped DGS for application of suppression of cross polarization. A set of fabricated laboratory prototypes, with and without DGS, is experimentally studied. The results show that the integration of DGS with antenna provides polarization purity of about 10 dB compared to the same patch without DGS at bore-sight of the patch and enhances the return loss bandwidth about 40%. Good agreement among theory, simulated results, and the experimental results qualifies the proposed method as an effective tool for parameter extraction of the DGS. © 2016 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2016. © 2016 Wiley Periodicals, Inc.
Citation: International Journal of RF and Microwave Computer-Aided Engineering (2016), 26(9): 773-783
URI: https://doi.org/10.1002/mmce.21029
http://repository.iitr.ac.in/handle/123456789/7946
Issue Date: 2016
Publisher: John Wiley and Sons Inc.
Keywords: circularly polarized antenna
cross polarization
defected ground structure
polarization purity
ISSN: 10964290
Author Scopus IDs: 54403556900
7102813204
6603631347
Author Affiliations: Prajapati, P.R., Millimeter and THz Wave Laboratory, Department of Electronics and Communication Engineering, Indian Institute of Technology, Roorkee, Roorkee, 247667, India
Patnaik, A., Millimeter and THz Wave Laboratory, Department of Electronics and Communication Engineering, Indian Institute of Technology, Roorkee, Roorkee, 247667, India
Kartikeyan, M.V., Millimeter and THz Wave Laboratory, Department of Electronics and Communication Engineering, Indian Institute of Technology, Roorkee, Roorkee, 247667, India
Corresponding Author: Prajapati, P.R.; Millimeter and THz Wave Laboratory, Department of Electronics and Communication Engineering, Indian Institute of Technology, RoorkeeIndia; email: pravinprajapati05@gmail.com
Appears in Collections:Journal Publications [ECE]

Files in This Item:
There are no files associated with this item.
Show full item record


Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.