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Distributed Quantization for Compressed Sensing
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: 0000-0003-2638-6047
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2014 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We study distributed coding of compressed sensing (CS) measurements using vector quantizer (VQ). We develop a distributed framework for realizing optimized quantizer that enables encoding CS measurements of correlated sparse sources followed by joint decoding at a fusion center. The optimality of VQ encoder-decoder pairs is addressed by minimizing the sum of mean-square errors between the sparse sources and their reconstruction vectors at the fusion center. We derive a lower-bound on the end-to-end performance of the studied distributed system, and propose a practical encoder-decoder design through an iterative algorithm.

Place, publisher, year, edition, pages
2014. 6439-6443 p.
Series
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
Keyword [en]
Compressed sensing, correlation, distributed source coding, mean square error, vector quantization
National Category
Telecommunications Signal Processing
Research subject
Transport Science
Identifiers
URN: urn:nbn:se:kth:diva-143356DOI: 10.1109/ICASSP.2014.6854844ISI: 000343655306095Scopus ID: 2-s2.0-84905252077ISBN: 978-1-4799-2893-4 (print)OAI: oai:DiVA.org:kth-143356DiVA: diva2:706406
Conference
2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014; Florence; Italy; 4 May 2014 through 9 May 2014
Projects
Compressed sensing, distributed source coding, vector quantization, correlation, mean square error
Note

QC 20150122

Available from: 2014-03-20 Created: 2014-03-20 Last updated: 2015-01-22Bibliographically approved

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Chatterjee, SaikatSkoglund, Mikael

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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