The proposed structure demonstrates bandstop characteristics at 3.5 GHz in WiMAX applications, highlighting frequency stability across incident angles.
Key Points
The proposed frequency selective surface shows a bandstop characteristic at 3.5 GHz with a bandwidth of 540 MHz.
This structure maintains stable performance under incident angles from 0° to 80° for both horizontal and vertical polarization.
The unit cell dimensions are 0.062λ0×0.062λ0, specifically designed for effective electrical performance in WiMAX applications.
Prototypes were fabricated and validated, confirming the simulation results and enhancing the technology's practical application.