Cross-layer multirate interaction with distributed source coding in wireless sensor networks

Wei Wang, Dongming Peng, Honggang Wang, Hamid Sharif, Hsiao-Hwa Chen

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Distributed Source Coding (DSC) is an effective means in reducing data redundancy in Wireless Sensor Networks (WSNs). However, the issues on designing multirate DSC with multirate transmission in WSNs have not been well addressed in the literature. In this paper, we propose a cross-layer approach to achieve optimal DSC data quality while assuring energy efficiency and latency requirement through adjusting multirate DSC data dependencies and network multirate transmission parameters jointly. Specifically, the DSC coding dependency among multirate source coding sensors are fine-tuned to balance compression efficiency and transmission robustness. Transmission rate and retransmission limit on each wireless link are optimized accordingly to achieve Unequal Error Protection (UEP) among inter-dependent DSC streams. Simulation studies demonstrate that the proposed scheme ensures satisfactory DSC data quality and energy efficiency.

Original languageEnglish
Article number4786440
Pages (from-to)787-795
Number of pages9
JournalIEEE Transactions on Wireless Communications
Volume8
Issue number2
DOIs
Publication statusPublished - 2009 Feb 1

Fingerprint

Distributed Source Coding
Cross-layer
Wireless Sensor Networks
Wireless sensor networks
Energy efficiency
Interaction
Electric power transmission networks
Data Quality
Telecommunication links
Redundancy
Energy Efficiency
Unequal Error Protection
Sensors
Data Dependency
Source Coding
Latency
Compression
Coding
Simulation Study
Robustness

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Wang, Wei ; Peng, Dongming ; Wang, Honggang ; Sharif, Hamid ; Chen, Hsiao-Hwa. / Cross-layer multirate interaction with distributed source coding in wireless sensor networks. In: IEEE Transactions on Wireless Communications. 2009 ; Vol. 8, No. 2. pp. 787-795.
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Cross-layer multirate interaction with distributed source coding in wireless sensor networks. / Wang, Wei; Peng, Dongming; Wang, Honggang; Sharif, Hamid; Chen, Hsiao-Hwa.

In: IEEE Transactions on Wireless Communications, Vol. 8, No. 2, 4786440, 01.02.2009, p. 787-795.

Research output: Contribution to journalArticle

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