Asymptotic Analysis of Distributed Bayesian Detection with Byzantine Data

被引:27
|
作者
Kailkhura, Bhavya [1 ]
Han, Yunghsiang S. [2 ]
Brahma, Swastik [1 ]
Varshney, Pramod K. [1 ]
机构
[1] Syracuse Univ, Dept Elect & Comp Engn, Syracuse, NY 13244 USA
[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
关键词
Bayesian detection; byzantine data; chernoff information; data falsification; distributed detection;
D O I
10.1109/LSP.2014.2365196
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
In this letter, we consider the problem of distributed Bayesian detection in the presence of Byzantine data. The problem of distributed detection is formulated as a binary hypothesis test at the fusion center (FC) based on 1-bit data sent by the sensors. Adopting Chernoff information as our performance metric, we study the detection performance of the system under Byzantine attack in the asymptotic regime. The expression for minimum attacking power required by the Byzantines to blind the FC is obtained. More specifically, we show that above a certain fraction of Byzantine attackers in the network, the detection scheme becomes completely incapable of utilizing the sensor data for detection. When the fraction of Byzantines is not sufficient to blind the FC, we also provide closed form expressions for the optimal attacking strategies for the Byzantines that most degrade the detection performance.
引用
收藏
页码:608 / 612
页数:5
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