Adaptive distributed estimation over wireless sensor networks with packet losses

被引：0
|
作者：
Speranzon, Alberto [1 ]
Fischione, Carlo [2 ]
Johansson, Bjoern [3 ]
Johansson, Karl Henrik [3 ]
机构：
[1] Unilever R&D Port Sunlight, Quarry Rd E, Bebington CH63 3JW, England
[2] Univ Calif Berkeley, Berkeley, CA 94720 USA
[3] Royal Inst Technol, Sch Elect & Engn, S-10044 Stockholm, Sweden
来源：
PROCEEDINGS OF THE 46TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14 | 2007年
基金：
瑞典研究理事会;
关键词：
distributed filtering; wireless sensor networks; networked embedded system;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A distributed adaptive algorithm to estimate a time-varying signal, measured by a wireless sensor network, is designed and analyzed. The presence of measurement noises and of packet losses is considered. Each node of the network locally computes adaptive weights that guarantee to minimize the estimation error variance. Decentralized conditions on the weights, which ensure the stability of the estimates throughout the overall network, are also considered. A theoretical performance analysis of the scheme is carried out both in the presence of perfect and lossy links. Numerical simulations illustrate performance for various network topologies and packet loss probabilities.
引用
收藏
页码：5644 / +
页数：2
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