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Reduction in cross-polarized radiation of microstrip patches using geometry-independent resonant-type defected ground structure (DGS)
Published in Institute of Electrical and Electronics Engineers Inc.
Volume: 63
Issue: 6
Pages: 2767 - 2772
A new method of suppressing cross-polarized (XP) radiation using resonant-type defected ground structure (R-DGS) on microstrip antenna has been proposed in this communication. A linearly shaped full wavelength R-DGS has been proposed and experimentally verified for different microstrip geometries. The design is supported by thorough investigations on the physical interaction between R-DGS and XP generating fields. Unlike previously explored nonresonant-type defects, this new approach is independent of patch geometry. A consistent suppression of the H-plane XP fields well below $- 30\,\hbox{dB}$ for different patch geometries has been experimentally demonstrated. © 1963-2012 IEEE.
About the journal
JournalData powered by TypesetIEEE Transactions on Antennas and Propagation
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo