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Sensors 2015, 15(5), 10221-10254; doi:10.3390/s150510221

A Data Acquisition Protocol for a Reactive Wireless Sensor Network Monitoring Application

1
Information Science Department, University of Otago, Dunedin 9016, New Zealand
2
National Inter-University Consortium for Telecommunications (CNIT), Pisa 56124, Italy
3
Department of Industrial Engineering (DII), University of Trento, Povo I-38123, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 12 January 2015 / Revised: 17 April 2015 / Accepted: 21 April 2015 / Published: 30 April 2015
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [1929 KB, uploaded 30 April 2015]   |  

Abstract

Limiting energy consumption is one of the primary aims for most real-world deployments of wireless sensor networks. Unfortunately, attempts to optimize energy efficiency are often in conflict with the demand for network reactiveness to transmit urgent messages. In this article, we propose SWIFTNET: a reactive data acquisition scheme. It is built on the synergies arising from a combination of the data reduction methods and energy-efficient data compression schemes. Particularly, it combines compressed sensing, data prediction and adaptive sampling strategies. We show how this approach dramatically reduces the amount of unnecessary data transmission in the deployment for environmental monitoring and surveillance networks. SWIFTNET targets any monitoring applications that require high reactiveness with aggressive data collection and transmission. To test the performance of this method, we present a real-world testbed for a wildfire monitoring as a use-case. The results from our in-house deployment testbed of 15 nodes have proven to be favorable. On average, over 50% communication reduction when compared with a default adaptive prediction method is achieved without any loss in accuracy. In addition, SWIFTNET is able to guarantee reactiveness by adjusting the sampling interval from 5 min up to 15 s in our application domain. View Full-Text
Keywords: wireless sensor network; communication reduction; compressive sensing; data acquisition protocol; environmental monitoring networks wireless sensor network; communication reduction; compressive sensing; data acquisition protocol; environmental monitoring networks
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Aderohunmu, F.A.; Brunelli, D.; Deng, J.D.; Purvis, M.K. A Data Acquisition Protocol for a Reactive Wireless Sensor Network Monitoring Application. Sensors 2015, 15, 10221-10254.

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