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Transmitting multiple correlated gaussian sources over a Gaussian MAC using delay-free mappings
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2011 (English)In: ISABEL '11 Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies, 2011Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we study the problem of communicating multiple correlated Gaussian memoryless sources over a Gaussian Multiple Access Channel (GMAC). We focus on distributed delay-free, low complexity, joint source-channel coding (JSCC) solutions to the problem. Theoretical performance bounds are derived and linear and nonlinear JSCC schemes are evaluated. The main contribution is a nonlinear hybrid discrete-analog mapping based on distributed quantization and a linear continuous mapping named Distributed Quantizer Linear Coder (DQLC). The proposed scheme shows promising performance which improve with increasing correlation and is robust against variations in noise level.

Place, publisher, year, edition, pages
2011.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-70470DOI: 10.1145/2093698.2093808Scopus ID: 2-s2.0-84856752212ISBN: 978-1-4503-0913-4 (print)OAI: oai:DiVA.org:kth-70470DiVA: diva2:486360
Conference
ISABEL '11, the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies
Note
QC 20120206Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2012-02-06Bibliographically approved

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Skoglund, Mikael

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Communication TheoryACCESS Linnaeus Centre
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CiteExportLink to record
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  • apa
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  • Other locale
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Output format
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  • asciidoc
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