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Reliability and Efficiency Analysis of Distributed Source Coding in Wireless Sensor Networks
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9810-3478
2009 (English)In: 2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, 2009, 324-329 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose a comprehensive theoretical framework to evaluate reliability and energy consumption of distributed source coding (DSC) in wireless sensor networks (WSNs) applications. Energy efficiency and the amount of measurements that can be successfully decoded in tree-based WSNs employing DSC in the presence of different coding topologies and packet aggregation schemes (PA) are accurately characterized. The system model includes a realistic network architecture with multi-hop communication, automatic repeat request protocol (ARQ), packet losses due to channel impairments and collisions, and correlation properties of the sensed phenomena. Four DSC topologies and three alternatives of PA are considered. The analysis is carried out by evaluating the expressions of reliability of DSC in terms of probability of measurements that cannot be decoded (loss factor), and the efficiency in terms of average energy consumption of the network. Numerical results show that the best choice of DSC topology and packet aggregation depends highly on the network parameters and source characteristics. Therefore, the analysis developed in this paper can be used as an effective mean to optimize network operations.

Place, publisher, year, edition, pages
2009. 324-329 p.
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
Wireless Sensor Networks (WSNs), Distributed Source Coding (DSC), Packet Aggregation (PA)
National Category
Information Science
Identifiers
URN: urn:nbn:se:kth:diva-26508DOI: 10.1109/ICC.2009.5199407ISI: 000280922200062Scopus ID: 2-s2.0-70449476281OAI: oai:DiVA.org:kth-26508DiVA: diva2:385880
Conference
IEEE International Conference on Communications (ICC 2009) Dresden, GERMANY, JUN 14-18, 2009
Note
QC 20110112Available from: 2011-01-12 Created: 2010-11-25 Last updated: 2012-02-23Bibliographically approved

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Fischione, Carlo

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CiteExportLink to record
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Cite
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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