3GPP TS 26.247

3GPP TS  26.247 -

Transparent end-to-end Packet-switched Streaming Service (PSS); 

Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)

The specification introduces the QoE monitoring and reporting framework, which consisting three phases:

1) a server activates QoE reporting, requests a set of QoE metrics to be reported by clients

2) a client monitors a requested QoE metrics

3) the client reports the QoE metrics

The QoE metrics includes:

• HTTP request/response transactions
• Representation switch events
• Average throughput
• Initial playout delay
• Buffer level
• Play list
• Media Presentation Description (MPD) information