However, low efficiency and narrow bandwidth also can give rise to significant disadvantages.
#DESIGN OF MICROSTRIP ANTENNA IN CST MICROWAVE STUDIO PATCH#
Microstrip patch antennas are used in aviation and satellite communication, biomedical, radio, and wireless applications due to their important features such as reduced size, weight, and cost. This study will be a guide for microstrip antennas based on the desired applications by changing the size of the slots and chemical potential in the conductive parts in the design. In addition, the proposed antennas have an average gain of 9 dBi. The obtained return loss of −10 dB throughout the applied frequency shows that the designed antennas are useful. The results show that the bow-tie antenna with a slot, which is one of the new advantages of this study, provides a good match and that it has an ultra-bandwidth of 18 GHz in the frequency range of 2 to 20 GHz for ultra-wideband applications. The performance of each antenna was analyzed, and then, the effects of antenna sizes and different chemical potentials on antenna performance were investigated and discussed. A very good match was observed between the simulation and the measurement results. Unlike traditional production techniques, due to its cost-effectiveness and easy production, antennas were produced using 3D printing, and then measurements were conducted. Thus, three bow-tie microstrip antennas with different antenna parameters were designed. The numerical calculations of the proposed antennas at 2–10 GHz were carried out using the finite integration technique in the CST Microwave Studio program.
In addition, the conductivity of graphene can be dynamically tuned by changing its chemical potential. In this study, the effects of graphene and design differences on bow-tie microstrip antenna performance and bandwidth improvement were investigated both with simulation and experiments.
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