DocumentCode
3489005
Title
Arbitrary dual-band circularly polarized patch antenna
Author
Gani, Herman ; Guo, Y.X. ; Ong, L.C.
Author_Institution
Inst. for Infocomm Res., Singapore, Singapore
fYear
2005
fDate
7-9 March 2005
Firstpage
254
Lastpage
257
Abstract
A novel dual-band circularly polarized antenna is proposed with each band in a broadband operation. A dual-band double annular slot antenna is used as the radiator. A dual-band branch line coupler (BLC), which is obtained by replacing the λ/4 right-handed transmission lines (RHTL) in a conventional BLC with λ/4 composite right/left handed transmission lines (CRLH TLs), is employed to feed the dual-band radiator. The design has been simulated by IE3D and ADS.
Keywords
UHF antennas; antenna feeds; broadband antennas; electromagnetic wave polarisation; microstrip antennas; microstrip couplers; multifrequency antennas; slot antennas; 1.7 to 1.85 GHz; 860 to 980 MHz; BLC; CRLH TL; arbitrary dual-band antenna; branch line couplers; broadband operation; circularly polarized patch antenna; double annular slot antenna radiator; quarter-wavelength composite right/left handed transmission lines; Bandwidth; Broadband antennas; Couplers; Dual band; Feeds; Frequency; Impedance; Patch antennas; Polarization; Slot antennas;
fLanguage
English
Publisher
ieee
Conference_Titel
Antenna Technology: Small Antennas and Novel Metamaterials, 2005. IWAT 2005. IEEE International Workshop on
Print_ISBN
0-7803-8842-9
Type
conf
DOI
10.1109/IWAT.2005.1461063
Filename
1461063
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