Vol. 102

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2021-12-25

Bandpass Frequency Selective Surface with Sharp Sidebands for 5G Electromagnetic Shielding of Fixed Satellite System in C-Band

By Min Tang, Qi-Kun Liu, Dong-Fang Zhou, Chen-Qing Pan, and Zhen-Ning Yao
Progress In Electromagnetics Research Letters, Vol. 102, 1-8, 2022
doi:10.2528/PIERL21102005

Abstract

In this letter, a new bandpass frequency selective surface (FSS) with sharp sidebands is proposed to suppress electromagnetic interferences caused by the fifth generation (5G) mobile communication to fixed C-band satellite system. The proposed design is composed of three cascaded layers separated by air space, whose unit cell geometry comprises metal square loops, square slots and their evolvement. As the overall configuration yields high-order bandpass characteristics with multiple transmission poles and zeros, a flat passband covering 3.7-4.2 GHz is obtained, while the out-of-band shielding effectiveness mostly remains better than 20 dB over frequency lower than 6.5 GHz. Good angular stability and polarization independency are also achieved due to structural symmetry. A prototype was fabricated and measured, whose results agree well with the full-wave simulation.

Citation


Min Tang, Qi-Kun Liu, Dong-Fang Zhou, Chen-Qing Pan, and Zhen-Ning Yao, "Bandpass Frequency Selective Surface with Sharp Sidebands for 5G Electromagnetic Shielding of Fixed Satellite System in C-Band," Progress In Electromagnetics Research Letters, Vol. 102, 1-8, 2022.
doi:10.2528/PIERL21102005
http://jpier.org/PIERL/pier.php?paper=21102005

References