Prediction of Resonant Frequency of a Pentagonal Microstrip Antenna Using Conformal Mapping Technique

In this paper the conformal the mapping technique is used to investigated regular pentagonal microstrip antenna (PMA). The resonant frequency and internal field patterns of the pentagonal microstrip antenna (PMA) are obtained using conformal mapping technique. It is observed that the results are in excellent agreement with the 3D EM simulator (HFSS and CST). Present theory can predict the resonant frequency of the PMA with less than 2% error at fundamental mode. This technique can be applied to investigate other complex shapes of the antenna.