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A novel shield for GSM 1800 MHz band using frequency selective surface
R. Sivasamy, M. Kanagasabai, S. Baisakhiya, , J.K. Pakkathillam, S. Palaniswamy
Published in Electromagnetics Academy
Volume: 38
Pages: 193 - 199
This paper describes a novel FSS which functions as band stop filter to shield the GSM 1800 MHz downlink band. The FSS is designed to operate with the resonant frequency of 1820 MHz which is the centre frequency for the GSM 1800 MHz downlink band. The novelty is attributed to its unique geometry and the circular apertures endowed with it. The proposed geometry provides shielding effectiveness of 20 dB alongside with 133 MHz bandwidth. The structure holds identical response for both TE and TM Modes of polarization. In addition, the geometry with its circular apertures, a hitherto unexplored feasibility serves the purpose of ventilation and heat dissipation. The simulated results are validated using experimental measurements.
About the journal
JournalProgress in Electromagnetics Research Letters
PublisherElectromagnetics Academy