NDLI: Ultraminiaturised Polarisation Selective Surface (PSS) for dual-band Wi-Fi and WLAN shielding applications

Content Provider	IET Digital Library
Author	Farooq, Umer Iftikhar, Adnan Shafique, Muhammad Farhan Abbasi, Muhammad Ali Babar Clendinning, Sarah Fida, Adnan Mughal, Muhammad Junaid Khan, Muhammad Saeed
Abstract	This study reports on a highly miniaturised polarisation selective surface (PSS) for dual-band Wi-Fi and WLAN applications. The proposed unit cell consists of two independently tuneable square loops. The outer loop is split with a gap of 0.2 mm to introduce polarisation selectivity and miniaturisation for lower-frequency band of 2.5 GHz. The inner square loop is inductively loaded with arms to suppress 5.45 GHz frequency band. These configurations have resulted in a unit element size of λ ∘ / 14 at 2.5 GHz, which is not presented before to the best of the authors' knowledge. A wide rejection bandwidth ( − 10 dB ) of more than 600 and 1180 MHz is obtained around 2.5 and 5.45 GHz, respectively. Furthermore, the proposed PSS exhibits an excellent polarisation selective characteristic by generating two stopbands at 2.5 and 5.45 GHz when illuminated by horizontal (TM) incident waves, whereas vertically (TE) polarised incident waves result in the generation of passbands for these two frequencies. Numerical validation through equivalent circuit modelling of the proposed PSS has also been carried out. A finite prototype containing 31 × 33 elements is fabricated and tested. The measured results demonstrated that the PSS has excellent potential for applications that employ polarisation separators and wave generators.
Starting Page	1514
Ending Page	1521
Page Count	8
ISSN	17518725
Volume Number	14
e-ISSN	17518733
Issue Number	Issue 13, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/14/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2020.0379
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2020-07-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computer Communication Dual-band Wi-Fi Electromagnetic Compatibility Electromagnetic Shielding Electromagnetic Wave Polarisation Equivalent Circuit Equivalent Circuit Modelling Frequency 1180.0 MHz Frequency 2.5 GHz Frequency 5.45 GHz Frequency 600.0 MHz Frequency Selective Surface General Circuit Analysis And Synthesis Method Highly Miniaturised Polarisation Selective Surface Independently Tuneable Square Loops Inner Square Loop Interference Local Area Network Lower-frequency Band Microwave Material Monopole Antenna Multifrequency Antenna Noise Figure 10.0 DB Noise Figure 28.0 DB Noise Figure 38.0 DB Numerical Validation Planar Antenna Polarisation Selective Characteristic Polarisation Selectivity Polarisation Wave Generator Polarised Incident Wave PSS Radio Link And Equipment Single Antenna Software Analysis UHF Antenna Ultraminiaturised Polarisation Selective Surface Wireless LAN WLAN Application WLAN Band WLAN Shielding Application
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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