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Distributed Bayesian detection for the butterfly network
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-6630-243X
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
2013 (English)In: 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications (SPAWC), IEEE , 2013, 61-65 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider a distributed detection problem where two nodes, or decision makers, observe a common source and aim to decide on one of several hypotheses. Before making their individual decisions, the nodes are allowed to communicate over rate-constrained links, through a bidirectional relay. We show that if the rate of the common relay-to-node link is greater than or equal to the rate of the individual node-to-relay links, and the individual decisions are not coupled by the cost metric, then network coding at the relay allows the overall problem to decouple into two separate two-node distributed detection problems over serial networks; and the two serial networks can be designed independently. However, if the rate of the relay-to-node link is strictly less than the node-to-relay links, no such decoupling can be assumed in general, and the overall detection network needs to be jointly designed.

Place, publisher, year, edition, pages
IEEE , 2013. 61-65 p.
Series
IEEE International Workshop on Signal Processing Advances in Wireless Communications, ISSN 2325-3789
Keyword [en]
Bidirectional relays, Butterfly networks, Common source, Cost metrics, Decision makers, Detection networks, Distributed Bayesian detection, Distributed detection
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-136966DOI: 10.1109/SPAWC.2013.6612012ISI: 000333366400013Scopus ID: 2-s2.0-84885736335ISBN: 978-146735577-3 (print)OAI: oai:DiVA.org:kth-136966DiVA: diva2:677596
Conference
2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013; Darmstadt, Germany, 16-19 June 2013
Funder
ICT - The Next GenerationEU, European Research Council, 228044
Note

QC 20131210

Available from: 2013-12-10 Created: 2013-12-10 Last updated: 2014-04-24Bibliographically approved

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Jaldén, JoakimOechtering, Tobias J.

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  • apa
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