Distributed Bayesian detection for the butterfly network
2013 (English)In: 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications (SPAWC), IEEE , 2013, 61-65 p.Conference paper (Refereed)
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.
, IEEE International Workshop on Signal Processing Advances in Wireless Communications, ISSN 2325-3789
Bidirectional relays, Butterfly networks, Common source, Cost metrics, Decision makers, Detection networks, Distributed Bayesian detection, Distributed detection
IdentifiersURN: urn:nbn:se:kth:diva-136966DOI: 10.1109/SPAWC.2013.6612012ISI: 000333366400013ScopusID: 2-s2.0-84885736335ISBN: 978-146735577-3OAI: oai:DiVA.org:kth-136966DiVA: diva2:677596
2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013; Darmstadt, Germany, 16-19 June 2013
FunderICT - The Next GenerationEU, European Research Council, 228044
QC 201312102013-12-102013-12-102014-04-24Bibliographically approved