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- W2987466692 abstract "This paper studies the distributed dimensionality reduction fusion estimation problem for cyber-physical systems with limited bandwidth in presence of eavesdroppers. Since wireless communication is implemented by broadcasting, the eavesdroppers can collude to collect the data through anther communication networks. To protect data privacy, based on the physical processes and local estimation error covariance (EEC) matrix, an insertion method of artificial noise (AN) is developed such that only eavesdroppers’ fusion EEC becomes worse. Meanwhile, the fusion center needs to decode the received signal due to the noise interference, while the successful decoding probability varies with signal to noise ratio. Subsequently, some criteria for the selection probabilities and the successful decoding probabilities are given to guarantee the effectiveness of the AN insertion strategy. Moreover, a sufficient condition of the designed AN power is derived to guarantee the confidentiality. Simulation examples are given to show the effectiveness of the proposed methods." @default.
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- W2987466692 date "2020-09-01" @default.
- W2987466692 modified "2023-10-18" @default.
- W2987466692 title "Secure dimensionality reduction fusion estimation against eavesdroppers in cyber–physical systems" @default.
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- W2987466692 doi "https://doi.org/10.1016/j.isatra.2019.11.009" @default.
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