volume | PIER Journals

Abstract

This paper aims to design a compact frequency selective surface (FSS) for electromagnetic shielding in the 1.8 GHz band of GSM, ensuring that the stopband width covers the target frequency range in both simulations and actual measurements. The primary focus of this paper is to design a compact FSS with good miniaturization for real-world applications. The proposed FSS structure is a single-layer double-sided structure. The regression models reflecting the mapping relationship between the resonant frequency and the structural parameters are established to guide the design. An equivalent circuit model (ECM) is presented to clearly explain the working mechanism of the FSS. The unit size is only 0.038λ₀, where λ₀ is the wavelength of the resonant frequency in free space. In addition, the proposed FSS provides stable performance under oblique angles of incidence for both TE and TM polarizations. An FSS prototype has been manufactured for verification.

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Dr. Xian-Jun Sheng

Dr. Chen Gu

Dr. Ning Liu

Dr. Hongwei Wang

Dr. Xiangyan Liu