Ποιότητα υπηρεσίας και εμπειρίας σε δίκτυα LTE-A

Quality of service (QoS) and quality of experience (QoE) in LTE-A

What are the main challenges in studying QoE?

•QoE estimation
 Can be based on subjective or objective methods. How to assure the reliability of subjective methods  and how to map objective parameters to QoE?
•QoE  monitoring
 Find user-transparent and passive ways to feed QoE measures back to the core network
•QoE management
 How QoE variations can drive the resource, interference and mobility management?