Maximin Distributed Detection in the Presence of Impulsive Alpha-Stable Noise

被引：20

作者：

Park, Jintae ^{[1
]}

Shevlyakov, Georgy ^{[2
]}

Kim, Kiseon ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol, Dept Informat & Commun, Kwangju 500712, South Korea

[2] St Petersburg State Polytech Univ, Dept Appl Math, St Petersburg 195251, Russia

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2011年 / 10卷 / 06期

关键词：

Distributed detection; maximin; alpha-stable density; wireless sensor networks; SIGNAL-DETECTION; FUSION;

D O I：

10.1109/TWC.2011.040411.100333

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：

The distributed detection problem in wireless sensor networks is studied under the impulsive alpha-stable noise assumption. Since symmetric alpha-stable density does not have a closed form, its approximation, the bi-parameter Cauchy Gaussian mixture model, is used to describe the impulsive behavior of alpha-stable noises. With this model, we propose a low-complexity robust fusion rule by taking the maximin setting with respect to the detection probability. An explicit formula for the detection probability is derived. Robustness of the proposed maximin fusion rule is justified by numerical and simulation results for alpha-stable noises.

引用

页码：1687 / 1691

页数：5

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