Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27405
Title: Dynamic collaborative in-network event detection in wireless sensor networks
Authors: Wu, H
Cao, J 
Fan, X
Keywords: Data management
Dynamic collaboration
Evaluation tree
Event detection
Sub-event
Wireless sensor networks
Issue Date: 2015
Publisher: Kluwer Academic Publishers
Source: Telecommunication systems, 2015 How to cite?
Journal: Telecommunication Systems 
Abstract: Many applications of wireless sensor networks (WSNs) require events be detected around moving targets and delivered to a user, whose location may also change over time. Consequently, it is not desirable to have a single sensor node serving as the sink node for centralized event processing. Furthermore, an event usually occurs across different locations and lasts for a period of time that are unknown in advance. Hence it cannot be detected by a static set of sensor nodes. In this paper, we propose a general framework for such dynamic in-network event detection in WSNs. This framework enables a flexible number of sensor nodes to dynamically collaborate in detecting and delivering any specified event. So far there has been no such work reported in the literature. We have designed a protocol for the sensor nodes to autonomously determine whether they should participate in and which tasks they should perform to collaboratively process an event. We have implemented a prototype of the proposed framework using MicaZ motes and evaluated it through both simulations and experiments. The results demonstrate that our framework is effective and efficient in terms of energy cost and event processing delay.
URI: http://hdl.handle.net/10397/27405
ISSN: 1018-4864
DOI: 10.1007/s11235-015-9981-0
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