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As the Internet evolves into a ubiquitous communications, VoIP network becomes more important and popular. It will be expected to meet the quality standards for VoIP networks. The aim of this paper is to undertake a fundamental investigation to quantify the impact of network impairment and speech relates parameters on perceived QoS in VoIP networks. Our contribution is threefold. First, a new VoIP...
Generalized projective synchronization of time-delayed fractional order chaotic systems is studied. By using the stability theory of linear fractional order systems with time delays, suitable conditions for achieving generalized projective synchronization are given. Numerical simulations coincide with the theoretical analysis.
In the current paper, exponential synchronization is discussed for chaotic neural networks with time-varying delays. Based on Lyapunov stability theory and linear matrix inequality (LMI), a nonlinear feedback control scheme is designed to synchronize the drive system and the response one. The obtained sufficient conditions are in the forms of LMI, so much easier to verify. Moreover, numerical simulation...
In this paper, we study chaotic behaviors in the time-delayed fractional-order neuron network system. Basic properties of the system are analyzed by means of Lyapunov exponents and waveform diagrams. Nonlinear control theory is extended to the time-delayed fractional-order neuron network system. Moreover, chaos synchronization is investigated by the Laplace theorem. The study and experiment indicate...
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