Topology estimation method for telecommunication networks

Miika Rajala, Risto Ritala

    Research output: Contribution to journalArticleScientificpeer-review


    Network topology specifies the interconnections of nodes and is essential in defining the qualitative network behaviour which is known to be universal with the similar phenomena appearing in many complex networks in diverse application fields. Topology information may be uncertain, or several pieces of inconsistent topology information may exist. This paper studies a method for estimating the network topology directly from node data, and is motivated by mobile telecommunications networks (MTNs). Mutual information based dependency measure is first used to quantify the statistical node dependencies, and the topology estimate is then constructed with multidimensional scaling and distance thresholding. The topology estimate defines the graph structure of a Markov random field (MRF) model, and after model parameter identification, the MRF model can then be used e.g. in analyzing the effect of disturbances to the overall network state of MTN. The method is evaluated with MCMC generated data and is found to work in qualitative network behaviour situations that are practical from the application perspective of MTNs. With the same data, the method yields at least as good results as a typical constrained-based graph estimation method.

    Original languageEnglish
    Pages (from-to)745-759
    Number of pages15
    JournalTelecommunication Systems
    Issue number4
    Publication statusPublished - Aug 2018
    Publication typeA1 Journal article-refereed


    • Graph estimation
    • Ising model
    • Markov random field model
    • Multidimensional scaling (MDS)
    • Telecommunications networks
    • Topology estimation

    Publication forum classification

    • Publication forum level 1

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering


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