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This paper addresses the challenge of big data security by exploiting signal processing theories. We propose a new big data privacy protocol that scrambles data via artificial noise and secret transform matrices. The utility of the scrambled data is maintained, as demonstrated by a cyber-physical system application. We further outline the proof of the proposed protocol's privacy by considering the...
For two-way relaying assisted by analog network coding, most investigation so far is based on perfect synchronization assumption. In contrast, in this paper we consider the more practical asynchronism assumption, and develop a new OFDM transmission scheme that is robust to the lack of synchronization in both timing and carrier frequency. In our scheme, the relays' signals are constructed by fusing...
Distributed transmission involving multiple uncoordinated transmitters has become a popular subject in wireless communications, such as cooperative transmissions, relaying, distributed MIMO, network coding, multi-access and multiuser detection. One of the major challenges for implementing distributed transmissions is the difficulty of synchronizing carrier frequency and timing of the distributed transmitters...
The application problem of organically-structured control method based on dynamic output feedback is studied for the interconnected power system with expanded construction in this paper. The sufficient condition of the robust decentralized connective stabilization of the system is obtained by taking Lyapunov theory and LMI approach, and the design method of the dynamic output feedback controller is...
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