A New Ultraminiaturized Low-profile and Stable FSS with 2.5D Structure for 900 MHz ISM Band
This paper presents a new 2.5D ultraminiaturized frequency selective surface (FSS) structure to operate in the 900 MHz ISM band (902 to 928 MHz), for application in the Wi-Fi HaLow. The proposed FSS simulation and design are performed using ANSYS HFSS software and equivalent circuit model (ECM). The development of the proposed 2.5D FSS is based on meander-line-based conducting patches and has required the simulation and design of typical (2D) and 2.5D structures. An equivalent circuit model was proposed and presented very accurate results. For comparison purpose, a prototype is fabricated and measured. Agreement is observed between simulation and measurement results.
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