NG.147 Quality of Experience v1.0

This document is an extension to the existing Global Roaming Quality (GRQ) definitions, which are specified within the GSMA PRD IR.81. In this document, the focus is purely on Quality of Service (referred to as “QoS” within this document). Quality of Experience is playing an increasingly significant role in the roaming sector, as it refers to a customer’s overall satisfaction with a service and encompasses a variety of factors such as performance, functionality, and ease of use. Within this document we would like to clarify the terms, explain the differences between QoS and QoE in more detail and define corresponding QoE KPIs.

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