Title :
A compact circularly polarized patch antenna with ring reflector
Author :
Yan Li ; Feifei Jia ; Wangwang Han ; Sheng Sun
Author_Institution :
Dept. of Microwave Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
A miniaturized antenna with circular polarization and directional pattern is presented in this paper. The conventional ground plane is replaced by a rectangular ring reflector to form the directional pattern. Since the side length of the ring reflector is around quarter-wavelength, the total size of the proposed antenna is reduced dramatically, which is about λg/2 × λg/2 in the horizontal plane. In addition, the performance of the proposed antenna is still comparable with the convetional microstrip antenna. The simulated gain is 6.1 dB at the 1.575 GHz, while the back radiation is only -11.6 dB. To verify the proposed design, a protype is fabricated and measured. Good agreement is observed between the measured and simulated results.
Keywords :
antenna radiation patterns; electromagnetic wave polarisation; microstrip antennas; reflector antennas; compact circularly polarized patch antenna; conventional ground plane; directional pattern; frequency 1.575 GHz; gain 6.1 dB; miniaturized antenna; rectangular ring reflector; Antenna measurements; Dipole antennas; Gain; Microstrip; Microstrip antennas; Patch antennas; Reflector antennas; Directional pattern; circular polarization; rectangular ring reflector;
Conference_Titel :
Wireless Symposium (IWS), 2014 IEEE International
Conference_Location :
X´ian
DOI :
10.1109/IEEE-IWS.2014.6864223