Title :
A dual polarized aperture coupled microstrip patch antenna with high isolation for RFID applications
Author :
Padhi, S.K. ; Karmakar, N.C. ; Law, C.L. ; Aditya, S.
Author_Institution :
Div. of Commun. Eng., Nanyang Technol. Univ., Singapore
Abstract :
Design and development of a dual polarized aperture coupled circular microstrip patch antenna at C-band are presented. Two orthogonal feeds exciting the patch antenna yield greater than 28 dB isolation. The antenna has 7.8 dBi gain, 70/spl deg/ 3-dB beamwidth and 7 dB front-to-back ratio. These features make the antenna very suitable for medium range radio frequency automatic identification (RFID) applications.
Keywords :
antenna feeds; aperture antennas; electromagnetic wave polarisation; identification technology; microstrip antennas; C-band antenna; RFID applications; aperture coupled antenna; circular antenna; dual polarized antenna; isolation; microstrip patch antenna; orthogonal feeds; radio frequency automatic identification; Apertures; Couplings; Dielectric substrates; Etching; Feeds; Microstrip antennas; Patch antennas; Polarization; Radiofrequency identification; Transmitting antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2001. IEEE
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7070-8
DOI :
10.1109/APS.2001.959607
