| On SCP Overload Control in Mobile Intelligent Network Based on Queue Size |
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| 引用本文： | ZHANG Qi-zhi,LIAO Jian-xin,ZHU Xiao-min State Key Laboratory of Networking and Switching,Beijing University of Posts and Telecommunications,Beijing 100876,P.R. China. On SCP Overload Control in Mobile Intelligent Network Based on Queue Size[J]. 中国邮电高校学报(英文版), 2005, 12(2) |
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| 作者姓名： | ZHANG Qi-zhi LIAO Jian-xin ZHU Xiao-min State Key Laboratory of Networking and Switching Beijing University of Posts and Telecommunications Beijing 100876 P.R. China |
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| 作者单位： | ZHANG Qi-zhi，LIAO Jian-xin，ZHU Xiao-min State Key Laboratory of Networking and Switching，Beijing University of Posts and Telecommunications，Beijing 100876，P.R. China |
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| 基金项目： | This workis supported by Specialized Research Fundfor the Doctoral Programof Higher Education(20030013006) ,and National Specialized R&DPro-ject for the Product of Mobile Communications. |
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| 摘 要： | 1IntroductionIntelligent network,an affiliated network over com-munication network,is introduced for the quick provi-sion of newservices[1 ~2].In the structure of intelligentnetwork,a Service Control Point(SCP) serves a lot ofService Switch Point(SSPs)[3 ~4].It is a veryi mportanttopic that howto guarantee the Qos of SCP (e .g.thenumber of successfully processed calls per unit ti me)whenthe network becomes overloadedinthis centralizednetwork structure . There were many studies about the…
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On SCP Overload Control in Mobile Intelligent Network Based on Queue Size |
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| ZHANG Qi-zhi,LIAO Jian-xin,ZHU Xiao-min. On SCP Overload Control in Mobile Intelligent Network Based on Queue Size[J]. The Journal of China Universities of Posts and Telecommunications, 2005, 12(2) |
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| Authors: | ZHANG Qi-zhi LIAO Jian-xin ZHU Xiao-min |
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| Abstract: | For there is no overload control signal between Service Switch Point and Service Control Point at CALEL 2 stage of mobile intelligent network, we provide an overload control algorithm realized in SCP. In the algorithm, we use a leaky bucket controller in access module to filter user calls and set an appropriate finite buffer in SCF module for protection further. The results of analysis and simulation indicate that by making the call arrival rate to SCF module equal its service rate when SCP become overloaded, the call processing rate of SCP system can keep its optimal value. |
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| Keywords: | mobile intelligent network service control point leaky bucket algorithm M/M/1/N queue |
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