Characteristics of a single fed circularly polarized microstrip antenna

The impedance and radiation characteristics are presented for a Single Fed Circularly Polarized (SFCP) square microstrip patch antenna with perturbation segments. The polarization behavior of this antenna is studied with the aid of various superstrates of different thickness. The complete design of the SFCP antenna is aided with the commercial software, Ensemble. A good agreement between simulated and experimental results is obtained