A New Non-intrusive Assessment Method for VoLTE Quality Based on Extended E-Model

  • Duy-Huy NguyenEmail author
  • Hang Nguyen
  • Éric Renault
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10026)


Voice over Long Term Evolution (VoLTE) is always a main service that brings a big benefit for mobile operators. However, the deployment of VoLTE is very complex, specially for guaranteeing of Quality of Service (QoS) to meet quality of experience of mobile users. The key purpose of this paper is to present an object non-intrusive prediction model for VoLTE quality based on LTE-Sim framework and the extended E-model. This combination allows overcoming the lack of the E-model is that how to determine exactly its inputs. Besides, we propose to complement the jitter buffer as an essential input factor to the E-model. The simulation results show that the proposed model can predict voice quality in LTE network via both the E-model and the extended E-model. The proposed model does not refer to the original signal, thus, it is very suitable for predicting voice quality in LTE network for many different scenarios which are configured in the LTE-Sim framework. The simulation results also show that the effect of jitter buffer on user perception is very significant.


VoLTE Voice quality LTE Extended E-model MOS 


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© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.SAMOVAR, Télécom SudParis, CNRS, Université Paris-SaclayEvry CedexFrance

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