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A General Method for the Design of Tree Networks Under Communication Constraints
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0003-1569-3527
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0001-6630-243X
2014 (English)In: Information Fusion (FUSION), 2014 17th International Conference on, IEEE conference proceedings, 2014, , 7 p.-7 p.Conference paper (Refereed)
Abstract [en]

We consider a distributed detection system with communication constraints, where several nodes are arranged in an arbitrary tree topology, under the assumption of conditionally independent observations. We propose a cyclic design procedure using the minimum expected error probability as a design criterion while adopting a person-by-person methodology. We design each node jointly together with the fusion center, while other nodes are kept fixed, and show that the design of each node using the person-by-person methodology is analogous to the design of a network with two nodes, a network which we refer to as the restricted model. We further show how the parameters in the restricted model for the design of a node in the tree network can be found in a computationally efficient manner. The proposed numerical methodology can be applied for the design of nodes arranged in arbitrary tree topologies with arbitrary channel rates for the links between nodes and for a general M-ary hypothesis testing problem.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2014. , 7 p.-7 p.
Keyword [en]
Decentralized detection, Bayesian criterion, tree topology, person-by-person optimization
National Category
Signal Processing
URN: urn:nbn:se:kth:diva-145647ISI: 000363896100324ScopusID: 2-s2.0-84910665324ISBN: 978-849012355-3OAI: diva2:719403
17th Int. Conf. Information Fusion,7-10 July 2014, Salamanca, Spain

QC 20141208

QC 20151214

Available from: 2014-05-23 Created: 2014-05-23 Last updated: 2015-12-15Bibliographically approved

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