Design of Dual-feed Dual-polarized Micro- Strip Antenna with High Isolation and Low Cross Polarization
نویسندگان
چکیده
Abstract—A broadband dual-feed dual-polarized microstrip antenna with low cross polarization and high isolation is presented. The dualorthogonal linearly polarized mode is excited by two different feed mechanisms from a single circular radiating patch. One of the two modes is excited by a pair of L-shaped probes with a 180◦ phase differences, and the other is excited by an H-shaped aperture. The proposed design has a very simple antenna structure with a wide input impedance bandwidth (23.25% for Port 1 and 35% for Port 2) and also its two input port isolation is found to be as low as −40 dB. Measured results of the fabricated antenna prototypes are also carried out to verify the simulation analysis.
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