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In this paper, with assuming global Lipschitz conditions on the activation functions, applying idea of vector Lyapunov function, Young inequality and Halanay differential inequality with delay, the global exponential stability of the equilibrium point for a class of cellular neural networks with distributed delays and large impulses is investigated, the sufficient conditions for globally exponential...
In this paper, the main purpose is to study the global exponential stability of the equilibrium point for a class of cellular neural networks with impulses and distributed delays. With the assumption of global Lipschitz conditions on the activation function, applying idea of vector Lyapunov function, combining Halanay differential inequality with delay, a sufficient condition for globally exponential...
Scheduling algorithms are very important for the performance and capacity of cellular systems. In this paper, we present an enhanced proportional fair scheduling algorithm for HSDPA. Scheduling performance is evaluated with different network scenarios for streaming of multimedia services. The streaming service model is based on 3GPP protocols.
In this paper we apply the nonlinear time series prediction method to the traffic measurements data. Based on the phase space reconstruction, the support vector machine prediction method is used to predict the traffic measurements data, and the neighbor point selection method is used to choose the number of nearest neighbor points for the support vector machine regression model. The experiment results...
The problem of robust fault-tolerant control for a class of nonlinear networked control systems (NCSs) with parameter uncertainties is investigated in this paper. A T-S fuzzy model is employed to represent the nonlinear controlled plant in the NCSs. Both networked-induced delay and packet dropout in transmission are addressed. By using Lyapunov-Krasovskii functional, the less conservative integrity...
Pseudo-noise (PN) sequence is widely used in wireless transmission systems for synchronization, which is usually performed via cross-correlation, i.e. PN correlator, between the received signal and a locally generated PN sequence. However, the hardware implementation of such a correlator becomes the inhibiting bottleneck of integration due to the long tapped-delay line, particularly in the case of...
Aiming at the multi-intersections of the urban traffic trunk line, a coordination control by sections is brought forward. The proposed algorithm includes three key steps. Firstly, according to the relativity of each two or three natural intersections on the trunk line, a new intersection is generated, which is thought of as an independent control unit. Some intelligent algorithms are adopted to acquire...
Based on the requirement of improving the detection capability of laser detector, the pseudorandom code may be adopted as the transmitting code of a laser detector. The auto correlation and the anti-jamming characteristics of the pseudorandom code are analyzed at first. Because the emitting power of a laser is reduced greatly where the journey of the pseudorandom code is longer than one, the pseudorandom...
Variable message signs (VMS) plays an important role in route guidance of drivers and release of traffic congestion. Response to VMS of drivers is acquired in stated preference (SP) investigation. Traffic demand is estimated and analyzed by Gravity and route choice models. Effects of VMS on route choice and traffic delay are simulated through VISSIM software in the case study of Beijing.
In this paper, we propose the expected schedulability to characterize the schedulability for the stochastic tasks on a single real-time computer processor. Our results show that the stochastic model has more flexibility to characterize the real-time tasks than the deterministic model. The expected schedulability is related to the real-time t at tasks arrival and may show that a sub-set of task would...
A novel fast link establishment method based on the combination with Multi protocol Label Switch (MPLS) and mobile agents(MA) for handoff during the mobile IP communication proceeding is proposed. By using the mobile agents for fast automatically information transforming the method can reduce the delay time dramatically. Simulations show that the transmission delay can be reduced to 27 to 41 percents...
By Lyapunov function and Halanay inequality, a class of the BAM type Cohen-Grossberg neural network with delays and impulsive is considered.It obtained some sufficient conditions about the existence of equilibrium point, globally exponential stability and globally exponentially robust stability.We can see the impulses do contribution to the exponential stability and robust stability.At last, an example...
Peer-to-peer file sharing applications, which enable peers to establish multiple TCP connections between other peers to transfer data, pose new challenge to congestion control. Since conventional congestion control only aims to make each of those connections TCP-friendly, self users can increase the number of connections to grab a large share of the bandwidth, introducing more congestion and degrading...
In this paper, we proposed a multi-view video coding scheme based on the panorama. Panorama is a comprehensive image including information of the whole scene. It is synthesized by reserving the common information among different views and also holding the unique of each view. Therefore, it is highly related with the frame of each view. Our coding scheme selects it as the reference frame for the frame...
Wireless mesh network (WMN) has become a popular access network architecture. But because of its multi-hop nature, co-channel interference and contention, the attainable capacity of a wireless node in a WMN is significantly less than the radio capacity. We propose a overlay architecture for a WMN, where a wireless-ring (WRing) is deployed over the regular mesh for carrying wireless mesh traffic only...
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