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随着第三代移动技术的实现和移动通信与IP网的融合,尤其是用户对多媒体业务需求的高速增长,具有明确的QoS要求已成为3G网络的一个重大特征。3G核心网的端到端QoS问题早已成为运营商们关注和研究的重点。各大国际标准化组织都针对该问题制定了相关标准,在制定的各版3G标准中,都对QoS进行了相应的规划。
With the realization of the third generation of mobile technologies and the convergence of mobile communications and IP networks, in particular, the rapid growth in demand for multimedia services by users, having a clear QoS requirement has become a major feature of the 3G network. The end-to-end QoS problem of 3G core network has already become the focus of operators’ attention and research. The major international standards organizations have formulated relevant standards for this issue, in the development of the various versions of the 3G standard, all made a corresponding QoS planning.