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Source Coding Rate Control for Gilbert-Elliott Channel
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Image Coding.
Linköping University, Department of Electrical Engineering.
2005 (English)In: RVK 05,2005, Linköping: FOI , 2005, 543- p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the problem of choosing the rate for a source coder when transmitting lossy-compressed data in real-time over a channel with time-varying rate. The goal for the rate selection is to obtain a low average distortion while obeying a real-time constraint. We formulate the real-time constraint in terms of a limited buffer size. A few strategies for rate-control are suggested and evaluated for a Gilbert-Elliott type channel model. The results are also compared to a theoretical upper bound on performance for a rate-control algorithm working with constraints on buffer size.

Place, publisher, year, edition, pages
Linköping: FOI , 2005. 543- p.
Keyword [en]
Rate-distortion, lossy compression, real-time communication
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-24189Local ID: 3780OAI: oai:DiVA.org:liu-24189DiVA: diva2:244506
Available from: 2009-10-07 Created: 2009-10-07

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http://www.rvk05.foi.se/

Authority records BETA

Johansson, PeterForchheimer, Robert

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The Institute of TechnologyImage CodingDepartment of Electrical Engineering
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