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Tandem Distributed Bayesian Detection with Privacy Constraints
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-2276-2079
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
2014 (English)In: Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2014, 2014, 8168-8172 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, the privacy problem of a tandem distributed detection system vulnerable to an eavesdropper is proposed and studied in the Bayesian formulation. The privacy risk is evaluated by the detection cost of the eavesdropper which is assumed to be informed and greedy. For the sensors whose operations are constrained to suppress the privacy risk, it is shown that the optimal detection strategies are likelihood-ratio tests. This fundamental insight allows for the optimization to reuse known algorithms extended to incorporate the privacy constraint. The trade-off between the detection performance and privacy risk is illustrated in an example.

Place, publisher, year, edition, pages
2014. 8168-8172 p.
Series
Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), ISSN 1520-6149
Keyword [en]
Likelihood-ratio test, person-by-person optimization, physical-layer security
National Category
Communication Systems Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-140948DOI: 10.1109/ICASSP.2014.6855193ISI: 000343655308043Scopus ID: 2-s2.0-84905281153ISBN: 978-1-4799-2893-4 (print)ISBN: 978-147992892-7 OAI: oai:DiVA.org:kth-140948DiVA: diva2:693652
Conference
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2014, Florence, Italy, May 4-9, 2014
Note

QC 20150123. QC 20160314

Available from: 2014-02-04 Created: 2014-02-04 Last updated: 2016-03-14Bibliographically approved

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Oechtering, Tobias

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CiteExportLink to record
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Citation style
  • apa
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