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Managing interference for stabilization over wireless channels
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2012 (English)In: Intelligent Control (ISIC), 2012 IEEE International Symposium on, IEEE , 2012, 933-938 p.Conference paper, Published paper (Refereed)
Abstract [en]

The remote stabilization of a first order linear plant over a wireless channel is studied. The plant is assumed to have an arbitrary distributed initial state and the wireless channel between the plant's sensor and the controller is modeled as a white Gaussian channel subject to an external interference signal. In order to combat the interference a dedicated sensor (relay) node is deployed adjacent to the interferer, which relays the interference information to both the plant's sensor and the controller. The sensor and the controller utilize this information to mitigate interference. We use delay-free linear sensing and control scheme in order to derive sufficient conditions for mean square stability. The achievable stability region significantly enlarges with the relay assisted interference cancelation scheme. Moreover the effect of interference can be completely eliminated if the encoder knows all the future values of the interference.

Place, publisher, year, edition, pages
IEEE , 2012. 933-938 p.
Keyword [en]
Control schemes, External interference, First order, Gaussian channels, Initial state, Linear plants, Mean square stability, Remote stabilization, Stability regions, Sufficient conditions, Wireless channel
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-114264DOI: 10.1109/ISIC.2012.6398272ISI: 000316571900020Scopus ID: 2-s2.0-84872857515ISBN: 978-146734598-9 (print)OAI: oai:DiVA.org:kth-114264DiVA: diva2:588202
Conference
2012 6th IEEE Multi-Conference on Systems and Control, MSC 2012; Dubrovnik;3 October 2012 through 5 October 2012
Note

QC 20130218

Available from: 2013-01-15 Created: 2013-01-15 Last updated: 2013-05-03Bibliographically approved

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Oechtering, Tobias J.Skoglund, Mikael

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  • apa
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