Journal
ASIAN JOURNAL OF CONTROL
Volume 19, Issue 4, Pages 1295-1305Publisher
WILEY
DOI: 10.1002/asjc.1441
Keywords
State estimation; DoS attack; intrusion detection; packet coding
Categories
Funding
- NSFC [61503147, 61602272, 61403155, 71401060]
- University Science Research General Project of Jiangsu Province [15KJB510002]
- Zhejiang Provincial Natural Science Foundation of China [Y16F030011]
- Science and Technology project of Jiangsu Province [BC2015166]
- Prospective Joint Research of University-Industry Cooperation of Jiangsu [BY2016056-02]
- Lianyungang Science and Technology Projects [CG1413, CG1501, CK1503]
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
- open research project of the State Key Laboratory of Synthetical Automation for Process Industries [PAL-N201507]
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In this paper, we consider a state estimation problem. In this problem, a sensor measures the state of a linear discrete-time system and sends measurements to an estimator via a packet-dropping communication link. We are concerned with the effect of Denial-of-Service (DoS) attacks on stability of the estimation system, and particularly focus on how to examine whether the communication channel is under DoS attack or not as well as how to defend accordingly, if defense is possible. We formulate the detection problem as a hypothesis testing problem provided that the statistics of the communication channel is known a priori. Two defense countermeasures are proposed: one of which uses a secured packet coding approach to partly compensate the previous packet loss; and in the other the sensor's transmission power is raised to resist the jamming effect brought by the DoS attack. Simulations are provided to demonstrate the main results.
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