Timer-based distributed channel access for control over unknown unreliable time-varying communication channels

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Abstract

We consider the resource allocation problem for a system consisting of multiple control subsystems that share an unknown unreliable time-varying wireless channel. We propose a novel method for granting channel access deterministically without requiring information exchange between subsystems, based on local timers for prioritizing channel access with respect to a local cost that takes into account the (initially unknown) channel conditions. We propose a novel setup which has the capability of learning the parameters of imperfect communication links while ensuring distributed collision-free implementation. More specifically, we adopt learning algorithms for estimating the channel quality and, hence, define the local cost as a function of this estimation and control performance. The efficacy of this mechanism is evaluated via simulations.

Original languageEnglish
Title of host publicationProceedings of the 18th European Control Conference, ECC 2019
PublisherIEEE
Pages2975-2982
Number of pages8
ISBN (Electronic)9783907144008
DOIs
Publication statusPublished - 1 Jun 2019
MoE publication typeA4 Article in a conference publication
EventEuropean Control Conference - Naples, Italy
Duration: 25 Jun 201928 Jun 2019
Conference number: 18

Conference

ConferenceEuropean Control Conference
Abbreviated titleECC
CountryItaly
CityNaples
Period25/06/201928/06/2019

Keywords

  • Bandits
  • Cost of information loss
  • Distributed channel access
  • Exploration-exploitation
  • Wireless networked control systems

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  • Projects

    Co-design of control and communication systems for wireless networked control systems

    Charalambous, T. & Royyan, M.

    01/09/201831/08/2023

    Project: Academy of Finland: Other research funding

    Equipment

    Science-IT

    Mikko Hakala (Manager)

    School of Science

    Facility/equipment: Facility

  • Cite this

    Farjam, T., Charalambous, T., & Wymeersch, H. (2019). Timer-based distributed channel access for control over unknown unreliable time-varying communication channels. In Proceedings of the 18th European Control Conference, ECC 2019 (pp. 2975-2982). [8796060] IEEE. https://doi.org/10.23919/ECC.2019.8796060