Document Type

Conference Proceeding

Publisher

IEEE

Faculty

Faculty of Computing, Health and Science

School

School of Engineering / Centre for Communications Engineering Research

RAS ID

12306

Comments

This is an Author's Accepted Manuscript of: Ullah, I. , Zhao, X. , Habibi, D. , & Kiani, G. I. Transmission Improvement of UMTS and Wi-Fi Signals Through Energy Saving Glass Using FSS. Paper presented at the IEEE 12th Annual Wireless and Microwave Technology Conference, WAMICON 2011. Clearwater, Florida, USA. Available here

© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Abstract

The transmission of infrared (IR) and visible frequencies through modern energy-saving glass, due to etching of bandpass frequency-selective surfaces (FSSs), is analysed. Energy-saving glass panels employ a very thin layer of metallic oxide on one side of the ordinary glass. Due to the presence of this layer, IR waves are attenuated whereas visible wavelengths can pass through, providing good see-through effect. However, one drawback with such energy-saving glass panels is that they also attenuate useful radio frequency (RF)/ microwave (MW) signals such as those used for mobile (e.g. global system for mobile communication (GSM)), global positioning system (GPS) and personal communication systems, due to the resistance of metallic oxide coating. To overcome this problem, an aperture-type bandpass FSS may be etched in the glass coating to selectively improve the transmission of useful signals. However, such an FSS also leads to an increase in overall IR transmission through energy-saving glass which is unwanted. In this study the authors analyse the effect of etching an FSS on the transmission of RF/MW, IR and light waves, for two types of commercial energy-saving glass panels. For example, an FSS with 8 mm aperture designed to improve MW transmission by 20 dB (from about -30 to -10 dB) at 1.3 GHz causes an increase in overall IR transmission from 23.8% to 33.8% (10%), which may be acceptable. An FSS with a narrower (4 mm) aperture improves MW transmission by 16 dB with 6.2% increase in IR transmission. Theoretical and measured results are presented.

DOI

10.1109/WAMICON.2011.5872858

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free_to_read

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Link to publisher version (DOI)

10.1109/WAMICON.2011.5872858