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  4. Performance Bounds for Sensor Data Gathering by Coding in Finite Fields
 
conference paper

Performance Bounds for Sensor Data Gathering by Coding in Finite Fields

Tosic, Tamara  
•
Frossard, Pascal  
2013
Proceedings of IEEE ICASSP
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

We address the problem of data gathering in adhoc networks. We propose a novel framework where sensor signals are quantized and mapped to a finite field. The network nodes then combine the data from different sensors to form messages that are transmitted towards a receiver. The receiver gathers different messages and reconstructs the original signal. We study the dependence of the signal reconstruction error on the quantization and network parameters. We further compute a bound on the reconstruction error for sparse sensor signals that depends on the number of messages gathered by the receiver. We validate our results with simulations in line array and tree-based sensor networks and show that our new framework leads to effective signal reconstruction with limited transmission costs.

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Type
conference paper
DOI
10.1109/ICASSP.2013.6638638
Web of Science ID

WOS:000329611505056

Author(s)
Tosic, Tamara  
Frossard, Pascal  
Date Issued

2013

Published in
Proceedings of IEEE ICASSP
Start page

5123

End page

5126

Subjects

Finite Fields Reconstruction

•

Sensor Network

•

Network Coding

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTS4  
Event nameEvent placeEvent date
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

Vancouver, Canada

May 26 - 31, 2013

Available on Infoscience
March 1, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/90013
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