A band-reject frequency selective surface with stable response for WLAN applications

In this paper, a new design of band-reject frequency selective surfaces is proposed. Compared to previous compact structure, the FSS proposed has a better firm performance with the dimension of a unit cell only 0.126λ × 0.126λ, where λ represents the wavelength of the resonant frequency. Above design is aimed at rejection of WLAN band (5.15-5.725) GHz.

Moreover, the proposed design has a stable response with respect to different polarization characteristics and different incident angles of the incident plane wave. The squashed performance can be further improve by changing radius of patch. The design is aimed at the rejection of WLAN band.

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