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The synchronization of hyperchaos in three-cell coupled quantum cellular neural network is studied; a three-dimensional nonlinear controller is designed to make the controlled hyperchaotic system realize self synchronization and it's proved by means of Lyapunov function that this method can make the system approach to any desired smooth orbit at an exponent rate. A multichannel secure communication...
We consider initial downlink synchronization for the emerging IEEE 802.16m standard. Such synchronization involves estimation of the carrier frequency offset, signal timing, and the index of “Primary Advanced Preamble” (PA-Preamble) over a multipath channel. We first give a brief overview of some relevant signal properties in IEEE 802.16m. These properties are rather different from other recent standards...
Based on the tracking control of chaotic system, the synchronization of hyperchaos in three-cell coupled quantum cellular neural network is studied; a secure communication system based on the hyperchaotic synchronization of the quantum cellular neural network is presented; its performance in the presence of channel noise is analyzed. Numerical simulations are given to illustrate the effectiveness...
A nonlinear feedback controller is designed to make the first two state of a chaotic system called Josephson-circuits-coupled quantum cellular neural network track an arbitrary two-dimensional smooth reference signal. It is proved by means of Lyapunov function that this method can make the system approach to any two desired smooth orbits at an exponent rate. The synchronizations with Duffingpsilas...
Tracking control of a hyper-chaotic system called three-cell coupled quantum cellular neural network is studied. A tracking control method is proposed for this hyper-chaotic system and it's proved by means of Lyapunov function that this method can make the system approach to any three desired smooth orbits at an exponent rate. The synchronization with Rossler's chaotic system is also presented. Numerical...
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