Distributed event-region detection in wireless sensor networks

被引：7
|
作者：
Fang, Jun [1 ]
Li, Hongbin [1 ]
机构：
[1] Stevens Inst Technol, Dept Elect & Comp Engn, Hoboken, NJ 07030 USA
来源：
EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING | 2008年 / 2008卷 / 1期
关键词：
D O I：
10.1155/2008/287870
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a graph-based method for distributed event-region detection in a wireless sensor network (WSN). The proposed method is developed by exploiting the fact that the true events at geographically neighboring sensors have a statistical dependency in an event-region detection scenario. This spatial dependence amongst the sensors is modeled using graphical models (GMs) and serves as a regularization term to enhance the detection accuracy. The method involves solving a linear system of equations, which can be readily implemented in a distributed fashion. Numerical results are presented to illustrate the performance of our proposed approach. Copyright (C) 2008.
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页数：7
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