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Stochastic Sensor Scheduling for Multiple Dynamical Processes over a Shared Channel
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2016 (English)In: 2016 IEEE 55th Conference on Decision and Control, CDC 2016, IEEE, 2016, 6315-6320 p., 7799241Conference paper, Published paper (Refereed)
Abstract [en]

We consider the problem of multiple sensor scheduling for remote state estimation over a shared link. A number of sensors monitor different dynamical processes simultaneously but only one sensor can access the shared channel at each time instant to transmit the data packet to the estimator. We propose a stochastic event-based sensor scheduling framework in which each sensor makes transmission decisions based on both the channel accessibility and the self event-triggering condition. The corresponding optimal estimator is explicitly given. By ultilizing the realtime information, the proposed schedule is shown to be a generalization of the time based ones and outperform the time-based ones in terms of the estimation quality. By formulating an Markov decision process (MDP) problem with average cost criterion, we can find the optimal parameters for the event-based schedule. For practical use, we also design a simple suboptimal schedule to mitigate the computational complexity of solving an MDP problem. We also propose a method to quantify the optimality gap for any suboptimal schedules.

Place, publisher, year, edition, pages
IEEE, 2016. 6315-6320 p., 7799241
Series
IEEE Conference on Decision and Control, ISSN 0743-1546
Keyword [en]
Remote State Estimation, Systems
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-208573DOI: 10.1109/CDC.2016.7799241ISI: 000400048106085Scopus ID: 2-s2.0-85010822043ISBN: 9781509018376 (print)OAI: oai:DiVA.org:kth-208573DiVA: diva2:1107391
Conference
55th IEEE Conference on Decision and Control, CDC 2016, ARIA Resort and Casino Las Vegas, United States, 12 December 2016 through 14 December 2016
Note

QC 20170609

Available from: 2017-06-09 Created: 2017-06-09 Last updated: 2017-06-09Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf