CAJ | 학술논문

随着移动通信日益普及,用户对服务品质和性能的要求也越来越高.话音业务作为用户最基本的业务,是评价用户感知质量的最重要方面.如何客观评估话音质量,高效地发现现网话音业务中存在的问题,定位问题的产生原因,都是移动通信网络维护面临的新课题.本文研究的内容,就是通过分析现网的话音媒体流,对用户通话的质量进行评估,定位话音降质的故障原因及故障点,并使媒体流的分析能够结合实际工作的需要,提供与话音质量相关的核心网、无线网支撑服务,即研究网络改造解决新方案.
수착이동통신일익보급,용호대복무품질화성능적요구야월래월고.화음업무작위용호최기본적업무,시평개용호감지질량적최중요방면.여하객관평고화음질량,고효지발현현망화음업무중존재적문제,정위문제적산생원인,도시이동통신망락유호면림적신과제.본문연구적내용,취시통과분석현망적화음매체류,대용호통화적질량진행평고,정위화음강질적고장원인급고장점,병사매체류적분석능구결합실제공작적수요,제공여화음질량상관적핵심망、무선망지탱복무,즉연구망락개조해결신방안.
With the growing popularity of mobile communication, users require service quality and performance increasingly. Voice service which as the users basic business is the most important aspect of the evaluation of user-perceived quality. How to objective assessment of voice quality, find the causes of the problems efficiently in the existing voice services network, position mobile communication network maintenance, now facing new challenges. Content of this study is to analyze the existing network of voice media stream, to assess the quality of the user's call, the cause of the fault and the point positioning voice degradation, and media flow analysis can be combined with the needs of practical work, to provide voice quality core network, wireless network support services, research network transformation to solve the new program namely.