The week's pick
Reseach Article
Predicting VoLTE Quality using Random Neural Network
| International Journal of Applied Information Systems |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 11 - Number 3 |
| Year of Publication: 2016 |
| Authors: Duy-Huy Nguyen, Hang Nguyen, Eric Renault |
10.5120/ijais2016451587
|
Duy-Huy Nguyen, Hang Nguyen, Eric Renault . Predicting VoLTE Quality using Random Neural Network. International Journal of Applied Information Systems. 11, 3 ( Aug 2016), 1-5. DOI=10.5120/ijais2016451587
Abstract
Long Term Evolution (LTE) was initially designed for a high data rates network. However, voice service is always a main service that drives huge profits benefit for mobile phone operators. Hence the deployment of Voice over LTE (VoLTE) is very essential. LTE network is a fully All-IP network, thus, the deployment of VoLTE is quite complex, specially for guaranteeing of Quality of Service (QoS) for meeting 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 Random Neural Network (RNN). In order to simulate an experiment, a three-layer feedforward RNN architecture with gradient descent training algorithm is applied. The inputs of this model are object network impairments such as Packet Loss Rate (PLR), Delay and Jitter. The VoLTE quality was predicted in term of the Mean Opinion Score (MOS). The simulation results show that this model offers MOS values which are quite close to well-known method is WB-PESQ (Wideband Perceptual Evaluation of Speech Quality) model. The results also show that the proposed model is very suitable for predicting voice quality over LTE network.
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