Analysis of mutual coupling reduction using 2 × 2 polygon structure for microstrip patch antenna array

Antenna arrays becoming increasingly important in wireless communications. Here is a method proposed to alleviate the mutual coupling problem in an antenna array by using two polygon shape microstrip patch antenna array which in turn reduces the surface wave excitation in printed antenna geometries. The advance design system (ADS) verifies the polygon features of surface wave repression by plotting the variations of transmission coefficient S12 with a frequency and dispersion graph. Thus the implementation of a polygon design proves to be a useful method in reducing the mutual coupling at definite frequencies between the radiator elements which also improves the antenna directivity.

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