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- Title
A New Wideband Circularly Polarized Dielectric Resonator Antenna.
- Authors
Mohsen KHALILY; Muhammad Ramlee KAMARUDIN; Mastaneh MOKAYEF; Shadi DANESH; Sayed Ehsan Alavi GHAHFEROKHI
- Abstract
A wideband and compact circularly polarized (CP) C-shaped dielectric resonator antenna (DRA) is presented. The proposed C-shaped DR is excited by a simple stripe line connected to a coplanar waveguide (CPW) feeding line. The C-shaped DRA is circularly polarized with 19% axial ratio (AR) bandwidth. It is found that the CP bandwidth can be expanded by using a narrow short circuit strip. The final design achieves CP with 50% AR bandwidth. The proposed circularly polarized DRA (CPDRA) with good radiation characteristics offers an impedance bandwidth of 58% between 3.45 and 6.26 GHz for VSWR ≤ 2. The proposed DRA is fabricated and tested. Very good agreement between simulated and measured results is obtained.
- Subjects
BROADBAND communication systems; DIELECTRIC resonator antennas; CIRCULAR polarization; COPLANAR waveguides; BANDWIDTHS; SHORT circuits
- Publication
Radioengineering, 2014, Vol 23, Issue 1, p175
- ISSN
1210-2512
- Publication type
Article