Title :
Miniaturized Circularly Polarized Patch Antenna With Low Back Radiation for GPS Satellite Communications
Author :
Kwok Kan So ; Hang Wong ; Kwai Man Luk ; Chi Hou Chan
Author_Institution :
State Key Lab. of Millimeter Waves & Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China
Abstract :
A new size-reduction technique for circularly polarized (CP) patch antenna with the use of parasitic shorting strips is presented. The operating frequency of the CP patch antenna can be controlled by those parasitic shorting strips. Rectangular, U-shaped, and meandering shorting strips are studied. It is found that the size and the back radiation of the patch antenna can be reduced simultaneously. Good impedance matching and CP radiation characteristics can be achieved with different shapes of the shorting strips. The proposed antenna with meandering shorting strip is measured. Good agreement between analytical and experimental results is obtained.
Keywords :
Global Positioning System; antenna radiation patterns; microstrip antennas; CP patch antenna; GPS satellite communications; miniaturized circularly polarized patch antenna; parasitic shorting strips; size-reduction technique; Antenna measurements; Frequency measurement; Global Positioning System; Microstrip; Microstrip antennas; Patch antennas; Circularly polarized; GPS; circularly polarized,; patch antenna; satellite communications; shorting strip; small antenna;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2015.2488000
