Summary
International Symposium on Antennas and Propagation
2015
Session Number:S5.7
Session:
Number:S5.7.5
High-Gain Wideband Circularly Polarized Resonant Cavity Antenna
Huy Hung Tran, Ikmo Park,
pp.-
Publication Date:2015/11/9
Online ISSN:2188-5079
Summary:
This paper presents a high gain wideband circularly polarized (CP) resonant cavity antenna. The primary radiators consist of two orthogonal bowtie dipoles, which generate wideband CP radiation. High-gain broadside radiation and wide axial ratio (AR) bandwidth are achieved with the properly chosen lateral size of a half-wavelength-thick planar partially reflecting surface. The antenna with an overall size of 80 mm × 80 mm × 28.35 mm yields ?10-dB impedance, 3-dB AR, and 3-dB gain bandwidths of 40%, 25.6%, and 42.7%, respectively.