NDLI: Dual-band single-layer quarter ring frequency selective surface for Wi-Fi applications

Content Provider	IET Digital Library
Author	Ferreira, David Cuiñas, Iñigo Caldeirinha, Rafael F. S. Fernandes, Telmo R.
Abstract	This study proposes a frequency selective surface (FSS) design to be used in Wi-Fi shielding applications as either a band reject or band pass dual-band single-layer filter. The proposed design consists of a combination of basic elements, that is, ring loops/slots, and is tuned at both 2.4 and 5.2 GHz Wi-Fi frequency bands. It has a relatively stable frequency response in the aforementioned Wi-Fi bands for incidence angles ranging from 0° to 45°. Both band reject and band pass designs are presented, along with their unit cell dimensions. Simulation and model validation through measurements demonstrate the performance of the proposed FSS design. Active variants are also proposed and briefly evaluated, in simulation environment, which should allow for applications where an on–off switching is desired at 2.4 and 5.2 GHz Wi-Fi bands.
Starting Page	435
Ending Page	441
Page Count	7
ISSN	17518725
Volume Number	10
e-ISSN	17518733
Issue Number	Issue 4, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/10/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2015.0641
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2016-03-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band Pass Dual-band Single-layer Filter Band Reject Filter Band-pass Filter Band-stop Filter Dual-band Single-layer Quarter Ring Frequency Selective Surface Electromagnetic Shielding Filter And Other Network Frequency 2.4 GHz Frequency 5.2 GHz Frequency Response Frequency Selective Surface FSS Microwave Filter Microwave Material On-off Switching UHF Filter Unit Cell Dimension Waveguide And Microwave Transmission Line Component Wi-Fi Shielding Application Wireless LAN
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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