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Research and Implementation of IMS QOS techniques

Author: GeYuHua
Tutor: WenXiangMing
School: Beijing University of Posts and Telecommunications
Course: Electronics and Communication Engineering
Keywords: IP QOS IP Multimedia Subsystem DiffServ Differentiated Services Queue scheduling
CLC: TN919.8
Type: Master's thesis
Year: 2010
Downloads: 39
Quote: 0
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Abstract


IP Multimedia Subsystem (IP Multimedia Subsystem, IMS) 3GPP R5 version , as the core architecture of the 3GPP defines the next generation network , to meet a variety of real-time business needs , and provide reliable service quality assurance is a key issue . This article is aimed at the feasibility and effectiveness of the implementation of QOS techniques in the study IMS , IMS network system , analysis and policy-based QoS management in IMS architecture , as well as end-to-end session negotiation process . Then in-depth analysis and research on IP QOS service model technology to using OPNET a DiffServ simulation experimental model was constructed , common scheduling algorithm simulation study . Further analysis based on the experimental results , combined with the advantages of the two queue model , improved single queue scheduling model . Finally , according to the characteristics of network operators , combined with MPLS technology , MPLS TE the combined DIFFServ the technology deployed in the metropolitan area , OPNET simulation to verify the feasibility of QOS deployment scenarios of the end-to-end network model , QOS application for MAN provide a direct theoretical basis .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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