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Measurement of Radio Signal Propagation through Window Panes and Energy Saving Windows
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion. Högskolan i Gävle.ORCID-id: 0000-0001-5562-3182
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion. SAAB Aeronautics, SAAB AB.
SAAB Aeronautics, SAAB AB.
2015 (engelsk)Inngår i: Proceedings of Electromagnetic Compatibility (EMC), 2015 IEEE International Symposium on, IEEE conference proceedings, 2015, s. 74-79Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Glass windows have undergone an energy saving evolution over the past three, four decades, from single panes till today’s ultralow-emission windows. While the earliest energy saving windows were constructed as a sandwich of clear glass panes using the vacuum-flask principle, modern low-emission windows includes panes with coatings of metal and/or metal oxides. This coating has caused radio propagation problems for communication systems; something that may be utilized to protect a building from intentional electromagnetic interference (IEMI) attacks and to help protecting against information leakage. In this paper measurements of the shielding performance of different generations of windows and qualities of window panes are presented. The intention is to include the results in a guide-line for IEMI protection of critical infrastructures. Measurements are made using two complementary methods; in a nested reverberation chamber and in a semi-anechoic chamber, both over the range 1 – 18 GHz. The results show a clear generation dependency where the energy saving windows largely do not attenuate RF signals at all and low-emission windows offer shielding effectiveness values between 10 and 45 dB with potentially as much as around 60 dB in the upper half of the spectrum.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2015. s. 74-79
Emneord [en]
Intentional EMI, signal propagation, shielding, transmission, glass, energy saving window, low-e window, reverberation chamber
HSV kategori
Forskningsprogram
Elektro- och systemteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-175149DOI: 10.1109/ISEMC.2015.7256135ISI: 000370282300014Scopus ID: 2-s2.0-84953852979ISBN: 978-1-4799-6615-8 (tryckt)OAI: oai:DiVA.org:kth-175149DiVA, id: diva2:860029
Konferanse
Electromagnetic Compatibility (EMC), 2015 IEEE International Symposium on
Forskningsfinansiär
Swedish Civil Contingencies Agency
Merknad

QC 20151012

Tilgjengelig fra: 2015-10-09 Laget: 2015-10-09 Sist oppdatert: 2016-05-13bibliografisk kontrollert

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