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Link to original content: https://unpaywall.org/10.1587/TRANSCOM.E93.B.3639
2010 Volume E93.B Issue 12 Pages 3639-3642
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.
