SDR-Based Shielding Effectiveness Measurement Technique Using Signals-of-Opportunity

Ridvan Aba*, Miguel Figueirinhas, Robert Vogt-Ardatjew, Frank Leferink

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Shielding effectiveness (SE) measurements of shielded cabinets can pose significant challenges because the typical procedure usually involves removing electronic equipment from the cabinet and relocating it to an accredited laboratory for measurements, a process known to be costly and time consuming. This paper proposes a novel measurement technique that utilizes signals of opportunity and software-defined radio (SDR) receivers to quickly estimate SE in a cost- and time-efficient manner. Moreover, this method facilitates continuous monitoring of the shielded environment to detect electromagnetic leakage resulting from intended or unintended shielding deterioration. Utilizing small antennas and affordable SDR-based receivers, the method enables on-site and continuous measurement of SE, even within cabinets heavily filled with electronics. This technique is particularly useful for TEMPEST cabinets because they are filled with electronics and require continuous monitoring due to the sensitivity of what is protected. Furthermore, its applicability may be extended to various other structures, where maintaining shielding integrity is critical. The paper concludes with a comprehensive discussion of the advantages and disadvantages of this measurement method.

Original languageEnglish
Title of host publication 2024 International Symposium on Electromagnetic Compatibility – EMC Europe
Pages32-35
Number of pages4
DOIs
Publication statusPublished - 25 Oct 2024
EventInternational Symposium and Exhibition on Electromagnetic Compatibility, EMC Europe 2024 - Brugge, Belgium, Bruges, Belgium
Duration: 2 Sept 20245 Sept 2024

Publication series

NameProceedings of the International Symposium on Electromagnetic Compatibility, EMC Europe
ISSN (Print)2325-0356

Conference

ConferenceInternational Symposium and Exhibition on Electromagnetic Compatibility, EMC Europe 2024
Abbreviated titleEMC Europe 2024
Country/TerritoryBelgium
CityBruges
Period2/09/245/09/24

Keywords

  • 2025 OA procedure
  • shielding effectiveness
  • Software-defined radio
  • TEMPEST
  • leakage detection

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