IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
Circularly Polarized Microstrip Antenna with Reconfigurable Capability Using Ground Slot Perturbations
Seongmin PYOJae-Kwan LEEMin-Jae LEEDae-Myoung INYoung-Sik KIM
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2010 Volume E93.B Issue 12 Pages 3639-3642

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Abstract

A novel square patch antenna with reconfigurable circular polarization (CP) is presented in this letter. A circular slot with perturbation is placed beneath the patch. The circular slot that has an inner perturbation yields right-handed CP, but with an outer perturbation slot yields left-handed CP. Experiments show an antenna gain of 2.8dBic and a 3-dB axial ratio bandwidth of 30MHz which well match the corresponding simulation results.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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