Impact of IT equipment location in buildings on electromagnetic safety

Authors

Abstract

The attenuation of the signal introduced by the propagation path between the source of the compromising emanation (the location of secured IT equipment) and the location of the antenna of the potential infiltrating system has a direct influence on the electromagnetic safety of IT equipment. The article presents original analytical relationships necessary to estimate the attenuation values introduced by the propagation path of the potential compromising emanation signal, which correspond to the most probable locations of IT equipment in relation to the location of the potential infiltrating system. The article analyzes identified by the author various location scenarios for IT equipment, which is a potential source of compromising emanation, with a potential infiltrating system positioned inside or outside the building, in which said IT equipment is located. The aforementioned scenarios are characterized by the lowest attenuation of the propagation path of potential compromising emanation generated by the secured IT equipment and provide for location masking of the potential infiltrating system. Example design of protective solutions for IT equipment elaborated by article author in the form of a shielding enclosure is presented in the article too.

Author Biography

Leszek Nowosielski, Military University of Technology ul. Gen. S. Kaliskiego 2, 00-908 Warsaw, Poland

Leszek Nowosielski was born in Poland in 1966. He received MSc. and Ph.D., D.Sc. degrees from the Military University of Technology, Warsaw, Poland in 1990 and 2019 respectively, in telecommunication  engineering and electronics engineering. He was engaged in many research projects, especially in the fields of radio communications systems engineering, radio waves propagations and electromagnetic compatibility. He is an authors or co-author of over 200 scientific papers and research reports.

References

EN 55032:2015, “Electromagnetic compatibility of multimedia equipment - Emission Requirements”.

Recommendation ITU R P.1238 8 (07/2015), “Propagation data prediction methods for the planning of indoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz”, ITU, Geneva, 2015.

I. Rodriguez, H. C. Nguyen, N. T. K. Jorgensen, T. B. Sorensen, P. Mogensen, “Radio Propagation into Modern Buildings: Attenuation Measurements in the Range from 800 MHz to 18 GHz”, 2014 IEEE 80th Vehicular technology Conference (VTC2014 Fall), Vancouver, BC, 2014, pp. 1 5, DOI: 10.1109/VTCFall.2014.6966147.

J. Łopatka, L. Nowosielski, M. Siłaczuk, “Modelling of electromagnetic wave propagation with the use of the ray-tracing method”, Progress in Electromagnetics Research Symposium 2014, Conference Proceedings, Guangzhou, China, 2014, s. 2741–2745, ISSN 1559-9450.

L. Nowosielski, J. Michalak, “Shielding effectiveness required for it equipment enclosures”, PIERS 2017 Conference Proceedings, Singapore.

L. Nowosielski, J. Michalak, M. Nowosielski, “Applications of IT equipment protective solutions against electromagnetic compromising emanations”, 2018 40th Progress in Electromagnetics Research Symposium (PIERS), Toyama, Japan, 01 04.08.2018 r.

A. Kaszuba, R. Chęciński, M. Kryk, J. Łopatka, L. Nowosielski, “Electromagnetically Shielded Real-time MANET Testbed”, PIERS 2014 Conference Proceedings, 25÷28.08.2014 r., Guangzhou, China,ISSN 1559 9450, Pages 27462750.

M. G. Kuhn, “Compromising emanations: Eavesdropping risks of computer displays” Technical Report UCAM-CL-TR-577, University of Cambridge, 2003, ISSN 1476-2986.

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Published

2024-04-19

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Section

Electromagnetic Compatibility