Data authentication based on frequency watermarking for smart grid

被引：1

作者：

机构：

[1] Jiangsu Electric Power Company

[2] Jiangsu Taizhou Electric Power Company

[3] College of Electrical Engineering, Zhejiang University

来源：

Chen, S. (chenshengtz@sina.com) | 1600年 / Electric Power Automation Equipment Press卷 / 34期

关键词：

Authentication; Fourier transforms; Frequency; Security of data; Smart grid; Watermarking;

D O I：

10.3969/j.issn.1006-6047.2014.07.028

中图分类号：

学科分类号：

摘要：

According to the features of smart grid communication network, it is proposed to apply the grid frequency information in the authentication of real-time interactive data to enhance data security. The frequency watermarking of real-time grid frequency monitoring network is modeled and then embedded in the transmitting data by the fractional Fourier transform. The received data are authenticated according to the embedded frequency watermarking for secure data communication. Because the energy of embedded information is distributed in traditional time-frequency domain, the security is high. Simulations and experiments demonstrate that the watermarking embedding algorithm based on the fractional Fourier transform has higher security and resistibility to regular noise attack, low-pass filtering attack and down-sampling attack.

引用

页码：163 / 167+173

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