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Optimal design of a printed patch antenna using Water Cycle Algorithm

In this article, the Water Cycle Algorithm (WCA) Optimization method is applied to design and optimize a printed patch antenna. The optimization goals are set to reach an antenna with a S11 less than −10dB and a high-gain radiation pattern. The operational bandwidth of the antenna is based on the center frequency of 2.45GHz, which also covers the ISM band (2.4∼2.5GHz) applications. This method is implemented by simulating the antenna in HFSS with MATLAB co-simulation using VBScript and optimized with WCA. Compared with the results of the previous studies, the best available structure has been achieved by implementing this simple closed-loop algorithm. The simulation results verify the performance of the WCA method.