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Aiming at the problems of high access rejection probability and low resource usage ratio of traditional access control algorithms for mobile converged networks, a distributed shared resource allocation model is proposed. The features of multiple access networks resource allocation and quality of service (QoS) level are also discussed. A variable resource allocation access control algorithm (VRAACA)...
This exploratory work combines bibliometric methods and social network analysis to provide a knowledge map on the development of system of systems research field. For this purpose, the study mined the published articles related to system of systems until 2012 indexed by Web of Knowledge platform including SCI-EXPANDED, SSCI, CPCI-S, and other scientific literature databases. The auctorial, institutional,...
Due to the deficiency of data transmission speed and capacity of the GSM / GPRS network, in this paper we present the design of a data transmission system in the remote monitoring system of composite insulators, which is based on 3G and embedded technology. The program uses OK6410ARM11 as a controller, and uses AD3812_V2 as a 3G communication module. This paper briefly describes the hardware design,...
Time-bound hierarchical key management mechanisms are widely discussed in several environments and applications. Obviously, the collusion attacks are the serious problems in the time-bound hierarchical key management schemes. In the collusion attacks, two or more users assigned to some classes in distinct time periods collude to compute a key to which they are not entitled. Two kinds of countermeasures,...
Low latency requirement, dynamic group members and limited out-degree of nodes pose great challenge on P2P solutions to virtual interactive learning environments. Most application level multicast protocols are heuristic algorithms of minimum spanning tree, aiming to reach the optimal parameters like latency concerning all nodes. However, few studies are focusing on providing stringent low perceived...
Art and design department has its own personality and characteristics, and it's different from other professional disciplines, both in assessing students, the characteristics of students, or the mode of teaching, teaching content of combination and curriculum, and so on. The key of training art and design professionals is how to build a mode of training to respect, follow the development of the arts...
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