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In this paper, we investigate the physical-layer network coding (PNC) scheme based on successive interference cancellation (SIC) in multi-way relay channels (MWRC). We consider a scenario where all users simultaneously transmit signals to the relay in the up-link stage while the relay broadcasts a coded message in the down-link stage. In order to extract the network codes from superimposed signals...
By decoupling the control plane from the data plane and providing programmability for network applications, software-defined network (SDN) is positioned to offer more efficient management, higher flexibility and better performance. Routing and resource allocation are two closely related applications in wireless networks. With close cooperation, better performance and lower complexity can be achieved...
Channel-width adaptation can significantly improve the connectivity, capacity and reduce the power consumption in wireless networks. The OFDMA-based channel-width adaptation based on traffic demand has been studied in wireless networks with sufficient spectral resources. However, the traffic demand may not be fully satisfied in resource-limited scenarios. In this paper, we study the channel-width...
A model predictive control (MPC) approach for the integrated control of active front steering (AFS), direct yaw moment control (DYC) and motor torque allocation in four in-wheel driving electric vehicles (EVs) is presented. A nonlinear vehicle model is formulated with nonlinear tire characteristic for MPC method, which can predict future system dynamics in predict horizon. And a cost function of the...
Resources management is the most important part of the cloud computing. This paper introduces the lifecycle of cloud bank which based on existing cloud bank model and present the proper pricing strategy. It was according to the features of cloud bank in different periods. The purpose of this paper is to provide an automatic updating mechanism to pricing the cloud resources and maximizing the benefit...
Aiming at out of date of cost management in hospital, which is an obstacle for the hospital management and schedule of medical resources, activity based costing model was proposed. Resource was assigned to activity center by using resource driver and then allotted from activity into cost objects according to activity driver; Lastly B/S four-tier software prototype based on J2EE was developed, and...
As a new computing pattern for commercial application, Cloud computing makes the aggregation, selection, and sharing of geographically distributed heterogeneous resources possible to solve various of tasks including finance, engineering, science, and no matter how big the scale of those tasks are. However, it is problematic that the geographic distributed resources owned by different institutions...
As a new computing pattern, Grid computing makes the aggregation, selection, and sharing of geographically distributed heterogeneous resources possible to solve large-scale issues of commerce, engineering, and science. However, it is problematic that the geographic distributed resources owned by different institutions with their different price models, usage policies and changing load. The resource...
As the complexity of grid environment, grid contains a variety of resources. We introduce the economic model in order to respond the changes of resource supply and demand. In this paper, we based on the original economic model and subdivision the role of resource providers, then we formulate an initial pricing strategy of underlying resources which based on Cournot equilibrium theory to achieve maximum...
To the problem of customer demands changing frequently, IT system islanded and design resource hard to reuse during collaborative design, a reconfigurable collaborative design service model was presented. First of all, the concept of collaborative design service mode and its characteristics were expounded. Secondly, the design task unit and design service unit of collaborative design service model...
Rural educational resource regional service platform is service-oriented, providing personalized service to users anywhere who participate in distance education. Users can acquire resources based on their interests, achieving to share educational resources in the maximum extent. The paper first briefly analyses the mode, the present situation and the characteristics of rural education, then puts forward...
The introduction of economics in resource scheduling is an effective solution in grid. In this paper,based on the banking model as an agent, it provides the analysis and guidance for all participants from the perspective of the overall activities in the grid. The Deadline and Budget Constrained (DBC)-based iterative algorithm can update the prices through analyzing the history of the used resource...
Grid applications must provide exceptional quality of service but because of the complexity and diversity of grid environment, the quality of service (QoS) can not be guaranteed. In order to solve the problem of quality of service in grid, QoS mechanisms must be introduced, that is, the QoS parameters of the problem description. At present, there are a lot of QoS researches, but very little research...
The educational information resource management system, which is based on SOA, achieves the goal of "change as need" for the system, ensures rapid update of the businesses and functions, improves the services of reuse, shortens the system development cycle, and cuts down the developed costs. This paper firstly analyzed the current educational resources management system, and found the existing...
The problem of academic expert recruiting is concerned with finding the experts on a specified research field. It has many real-world applications and has recently attracted much attention. However, the existing methods are not versatile and entirely suit for the special requirements from academic area where the co-authorship and the citation relation play important roles in judging researcherspsila...
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