Timer-based distributed channel access for control over unknown unreliable time-varying communication channels
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A4 Artikkeli konferenssijulkaisussa
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Date
2019-06-01
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Language
en
Pages
8
2975-2982
2975-2982
Series
Proceedings of the 18th European Control Conference, ECC 2019
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.Description
Keywords
Bandits, Cost of information loss, Distributed channel access, Exploration-exploitation, Wireless networked control systems
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Citation
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 ., 8796060, IEEE, pp. 2975-2982, European Control Conference, Naples, Italy, 25/06/2019 . https://doi.org/10.23919/ECC.2019.8796060