Title :
Planar wideband circularly polarized dielectric resonator antenna
Author :
Khalily, M. ; Kamarudin, Muhammad Ramlee ; Danesh, S.
Author_Institution :
Wireless Commun. Center (WCC), Univ. Teknol. Malaysia (UTM), Skudai, Malaysia
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 microstrip feed in one side of the dielectric substrate. DR is housed inside the thin dielectric substrate above the vertical ground plane edge. By using one narrow short circuit strip, CP bandwidth of the proposed antenna is enhanced. The final design achieves CP with 44% axial ratio (AR) bandwidth. The proposed circularly polarized DRA with good radiation characteristics offers an impedance bandwidth of 67% between 3.35 and 6.76GHz for VSWR <; 2.
Keywords :
antenna feeds; antenna radiation patterns; dielectric resonator antennas; microstrip antennas; microwave antennas; microwave resonators; planar antennas; substrate integrated waveguides; C-shaped DR excitation; CP bandwidth; DRA; axial ratio bandwidth; bandwidth 3.35 GHz; bandwidth 6.76 GHz; impedance bandwidth; microstrip feed; narrow short circuit strip; planar wideband circularly polarized dielectric resonator antenna; radiation characteristics; thin dielectric substrate; vertical ground plane edge; Broadband antennas; Dielectric resonator antennas; Dielectrics; Strips; Wideband; Wireless communication;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6711279
