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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.
Antennas and Propagation Society International Symposium, 2001. IEEE (Volume:2 )
Date of Conference: 8-13 July 2001