Dual-band Frequency Surface Design by Implementing a Simple Design Technique

IETE Journal of Research (TIJR), 09 Dec. 2019

Dual-band Frequency Surface Design by Implementing a Simple Design Technique

B. Doken, M. Kartal

Abstract: Mutual interference between wireless devices in indoor environment reduces system performance. Ensuring secure personal communication within such wireless networks is also another important problem. Existing indoor surfaces can be converted to frequency-selective surfaces to avoid interferences among WLAN networks, as well as securing personal data. ISM signals of 2.4 and 5.8 GHz are intensively used in indoor environment. In this work, a novel band-stop periodic element geometry that attenuates incoming 2.4 and 5.8 GHz ISM signals for a wide range of incidence angles is presented. The achieved attenuation level is minimum 20 dB in the desired frequency bands. Optimization of the proposed geometry is achieved with an ease by using a novel multi-band FSS design technique which is based on nested geometries and miniaturizing.

Available Online: https://www.tandfonline.com/doi/full/10.1080/03772063.2019.1684848

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