Abstract
A compact printed wideband antenna with circular polarization is designed and the antenna parameters are analyzed in this work. Finite element method-based HFSS tool is used to design and simulate the antenna model. A basic structure of rectangular monopole is converted into a trapezoidal shape with tapered step ground. Different iterations of radiating element as well as defected ground structures are examined in this work to analyze the circular polarization characteristics of the antenna. A peak realized gain of 4.3 dB and peak directivity of 3.8 dB is attained from the current designed models. A wide bandwidth is attained using the CPW fed by defected ground trapezoidal patch antenna. The analysis is carried out using the simulated reports like return loss and surface current density. The concept of circular polarization is evident from other reports like axial ratio and radiation pattern.
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