Abstract
Mutual coupling is an inherent characteristic within the antenna array which degrades the antenna performances. DGS and EBG structure can help in the reduction of mutual coupling due to their capability of suppressing the surface wave propagation in a defined frequency range, but in DGS due to high back radiation it reduces the E- and H-plane radiation pattern of the antenna arrays. In the case of EBG structure due to parasitic loading effect and cavity effect will affect the bandwidth. In this paper a new method is adapted to diminish the effect of mutual coupling in an antenna array without degrading antenna characteristics. It shows that the proposed typically shaped microstrip resonator with mutual coupling reduction of more than 43 dB is achieved at the resonant frequency of 5.749GHZ.
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