Timer-based distributed channel access in networked control systems over known and unknown gilbert-elliott channels

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In this paper, we consider a system consisting of multiple (possibly heterogeneous) decoupled control subsystems which aim at communicating with their corresponding controllers via shared (possibly) time-varying wireless channels. To address the resource allocation problem in a distributed fashion, we propose a timer-based channel access mechanism in which the subsystem with the smallest timer value, in a channel, claims the slot for transmission in that specific channel. The value of the timer is inversely proportional to a cost which is a function of the temporal correlation in the channel variation and the subsystem state. This cost can be calculated individually and does not require explicit communication between the subsystems, since it is based on locally available information only. The temporal correlation in the channel variation may be unknown and, in such cases, each subsystem tries to deduce it via machine learning techniques. The performance of our proposed mechanism is demonstrated via simulations.

Original languageEnglish
Title of host publicationProceedings of the 18th European Control Conference, ECC 2019
Number of pages7
ISBN (Electronic)9783907144008
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


ConferenceEuropean Control Conference
Abbreviated titleECC


  • Bayesian inference
  • Cost of information loss
  • Distributed channel access
  • Gilbert-Elliott channel
  • Wireless networked control systems


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