Predictive Data Reduction in Wireless Sensor Networks using Selective Filtering

David James McCorrie, Elena Gaura, Keith Burnham, Nigel Poole

Abstract

In a wireless sensor network, transmissions consume a large portion of a node’s energy budget. Data reduction is generally acknowledged as an effective means to reduce the number of network transmissions, thereby increasing the overall network lifetime. This paper builds on the Spanish Inquisition Protocol, to further reduce transmissions in a single-hop wireless sensor system aimed at a gas turbine engine exhaust gas temperature (EGT) monitoring application. A new method for selective filtering of sensed data based on state identification has been devised for accurate state predictions. Low transmission rates are achieved even when significant temperature step changes occur. A simulator was implemented to generate flight temperature profiles similar to those encountered in real-life, which enabled tuning and evaluation of the algorithm. The results, summarized over 280 simulated flights of variable duration (from approximately 58 minutes to 14 hours) show an average reduction in the number of transmissions by 95%, 99.8% and 91% in the take-off, cruise and landing phases respectively, compared to transmissions encountered by a sense-and-send system sampling at the same rate. The algorithm generates an average error of 0:11 +/- 0:04 °C over a 927 °C range.

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Paper Citation


in Harvard Style

James McCorrie D., Gaura E., Burnham K. and Poole N. (2012). Predictive Data Reduction in Wireless Sensor Networks using Selective Filtering . In Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-8565-21-1, pages 165-170. DOI: 10.5220/0004010601650170


in Bibtex Style

@conference{icinco12,
author={David James McCorrie and Elena Gaura and Keith Burnham and Nigel Poole},
title={Predictive Data Reduction in Wireless Sensor Networks using Selective Filtering},
booktitle={Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2012},
pages={165-170},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004010601650170},
isbn={978-989-8565-21-1},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Predictive Data Reduction in Wireless Sensor Networks using Selective Filtering
SN - 978-989-8565-21-1
AU - James McCorrie D.
AU - Gaura E.
AU - Burnham K.
AU - Poole N.
PY - 2012
SP - 165
EP - 170
DO - 10.5220/0004010601650170