关于VoLTE网络的概述与质量评估方法

Overview and Quality Evaluation Method of VoLTE Networks

为了熟悉VoLTE复杂的网络结构、发展趋势和解决用户感知问题,通过对VoLTE的发展现状及其技术原理与优势进行梳理和总结,分析了网络升级改造中提出并选定的几种关键技术方案,研究了在语音质量优化上提出的几种基于MOS值的评估方法。结果表明,基于深度神经网络DNN-MOS的评估方法是更佳的语音质量评估方法,可以有效地评估和提升用户感知。

In order to know the complex network structure and development trend of VoLTE and deal with the user perception,the developmental status,technical principle and advantages of VoLTE were arranged and summarized.Several key technical solutions which are proposed and selected in the network update and reform were analyzed.Several evaluation methods based the MOS value to optimize voice quality were studied.Results show that DNN-MOS method based on the deep neural network is the better evaluation method of voice quality,which can effectively evaluate and enhance the user perception.