User Quality of Experience (QoE) prediction in heterogeneous mobile networks

Abstract

Quality of experience (QoE) is a key indicator in assessing the level of satisfaction of services offered by network operators. Mobile operators use several generation of technologies; these are not only based on the dynamic evolution of the networks but also the need to satisfy user expectations under intense competition. This study propose a methodology that will give subjective rating of communication taking place using two different technologies based on key performance indicators (KPI) parameters of 3G and 4G networks generations. Our approach goes beyond simple initiation of communication maintained by the same technology but involves several communications scenarios, which for various reasons may require switching from one generation of mobile network to another. In our proposed model, the ability to process survey results from a user QoE evaluation perspective is validated by our selection and use of appropriate combination of KPIs for each technology. The formula used will allow operators to predict duration that an Inter-Radio Access Technology (RAT) communication must have in each generation of mobile network services. This may help maximize customer loyalty and satisfaction based on selection of specific parameters.