Estimation and fusion for tracking over long-haul links using artificial neural networks

Qiang Liu, Katharine Brigham, Nageswara S.V. Rao

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In a long-haul sensor network, sensors are remotely deployed over a large geographical area to perform certain tasks, such as tracking and/or monitoring of one or more dynamic targets. A remote fusion center fuses the information provided by these sensors so that a final estimate of certain target characteristics - such as the position - is expected to possess much improved quality. In this work, we pursue learning-based approaches for estimation and fusion of target states in long-haul sensor networks. In particular, we consider learning based on various implementations of artificial neural networks (ANNs). The joint effect of 1) imperfect communication condition, namely, link-level loss and delay, and 2) computation constraints, in the form of low-quality sensor estimates, on ANN-based estimation and fusion, is investigated by means of analytical and simulation studies.

Original languageEnglish
Article number7839291
Pages (from-to)760-770
Number of pages11
JournalIEEE Transactions on Signal and Information Processing over Networks
Volume3
Issue number4
DOIs
StatePublished - Dec 2017

Keywords

  • Artificial neural networks
  • error regularization
  • estimation bias
  • long-haul sensor networks
  • reporting deadline
  • root-mean-square-error (RMSE) performance
  • state estimate fusion

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