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A Circularly Polarized Slot-Coupled Microstrip Antenna Using a Parasitically Excited Slot
Hiroki SHOKI Kazuaki KAWABATA Hisao IWASAKI
IEICE TRANSACTIONS on Communications
Publication Date: 1991/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Mobile Communication Antennas)
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The authors propose a new circular polarization method for a slot-coupled microstrip antenna. The simple configuration antenna in which a parasitically excited slot exists in addition to a directly excited slot generates circular polarization, by the effect of higher order modes. Experimental results and numerical results using the Spatial Network Method are described to verify the performance and discuss the circular polarization generating mechanism.