Target aided online sensor localisation in bearing only clusters

Murat Üney, Bernard Mulgrew, Daniel Clark

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work, we consider a network of bearing only sensors in a surveillance scenario. The processing of target measurements follow a two-tier architecture: The first tier is composed of centralised processing clusters whereas in the second tier, cluster heads perform decentralised processing. We are interested in the first tier problem of locating peripheral sensors relative to their cluster head. We mainly exploit target measurements received by the cluster head in a parameter estimation setting which involves Sequential Monte Carlo methods, and is known to have many difficulties in practice, including particle deficiency, sensitivity to initialisation, and high computational complexity. These difficulties are exacerbated by the bearing-only modality which provides a relatively poor target observability. We propose an online solution through Bayesian recursions on Junction Tree models of the posterior which partition the problem into fixed size subproblems and hence provides scalability with the number of sensors. We use the received signal strength as noisy range measurements to improve the robustness and accuracy of our algorithm. We demonstrate its efficacy with an example.

Original languageEnglish
Title of host publication2014 Sensor Signal Processing for Defence
PublisherIEEE
ISBN (Print)9781479952946
DOIs
Publication statusPublished - 31 Oct 2014
Event4th Sensor Signal Processing for Defence 2014 - Edinburgh, Edinburgh, United Kingdom
Duration: 8 Sep 20149 Sep 2014

Conference

Conference4th Sensor Signal Processing for Defence 2014
Abbreviated titleSSPD 2014
CountryUnited Kingdom
CityEdinburgh
Period8/09/149/09/14

ASJC Scopus subject areas

  • Signal Processing
  • Computer Science Applications
  • Electrical and Electronic Engineering

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  • Cite this

    Üney, M., Mulgrew, B., & Clark, D. (2014). Target aided online sensor localisation in bearing only clusters. In 2014 Sensor Signal Processing for Defence [6943312] IEEE. https://doi.org/10.1109/SSPD.2014.6943312