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A Control Framework for Online Error Control Adaptation in Networked Applications
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9810-3478
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9940-5929
KTH, School of Electrical Engineering (EES), Automatic Control.
2006 (English)In: Proceedings of IEEE Second International Symposium on Control, Communications, and Signal Processing, 2006Conference paper, Published paper (Refereed)
Abstract [en]

For many real-time applications running over packet-switched networks, it is important to maintain delivered data quality using a limited amount of network resources. It is therefore natural to employ cost functions that allow online trade-off between the experienced application quality and the resource usage. However, minimizing such cost functions requires perfect knowledge of the network state at the transmission side, while, in general, such information is only partially available. In this paper, we introduce a new adaptive error correction algorithm that optimizes the amount of redundancy based on the available information from the application and the network. An extremum-seeking control algorithm is employed to deal with the high level of uncertainty in the network models. The validity of our approach is illustrated in simulations with varying network loads and loss correlation.

Place, publisher, year, edition, pages
2006.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-79762OAI: oai:DiVA.org:kth-79762DiVA: diva2:500257
Conference
The second IEEE-EURASIP International Symposium on Control, Communications, and Signal Processing, ISCCSP 2006. Marrakech, Morocco. March 13-15, 2006
Note
QC 20120530Available from: 2012-02-13 Created: 2012-02-09 Last updated: 2012-05-30Bibliographically approved

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Fischione, CarloJohansson, Karl H.

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