Browsing by Author "Chen, Chih-Hsing"

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A Microstrip-fed Circularly-Polarized Loop-like Antenna
(2009)
Lin, Chia-Hsien
;
Wu, Jin-Wei
;
Chiou, Tong-Chia
;
Chen, Chih-Hsing
;
Wang, Chien-Jen
A microstrip-fed loop-like antenna designs with circular polarization (CP) is presented in this paper. The proposed loop-like antenna comprised of a monopole antenna, a sleeve strip connected with the ground plane and an L-shaped slit embedded in the ground plane. The C-like monopole generates a resonant mode for wideband impedance-bandwidth at the GPS and DCS bands, and the sleeve and the slit are capable of exciting two orthogonal electric fields with equal amplitude and phase difference of 90 degree for radiating circular polarization at 1.575 GHz. Both simulated and measured results are provided to validate the CP performance of the proposed antenna.