Table 2 List of parameters that are reported (from the terminal) to the QoE server
From: YouTube QoE evaluation tool for Android wireless terminals
Parameter type | Parameter | Description |
|---|---|---|
Device ID | IMEI | International Mobile Equipment Identity (15-digit format) |
Session information | Reproduction Mode | It indicates the application used for video reproduction: |
1 - Embedded video player (based on media player) | ||
2 - YouTube native application | ||
3 - Web browser | ||
Reproduction Time | Total reproduction time (in ms) including rebuffering and user-originated pauses | |
Date | Date of the YouTube video session (AAAA-MM-DD) | |
Hour | Hour of the YouTube video session (HH:MM:SS) | |
Application Performance Metrics | InitialBuffering Time (Tinit) | Total time (in ms) since the user starts the session until the video is ready to be played |
Rebuffering Frequency (frebuf) | Frequency of interruption events (not forced by the user) during the playback | |
Mean Rebuffering Time (Trebuf) | Average duration of a rebuffering event (in ms) | |
Location of the measurement | Latitude | Expressed in sexagesimal degrees (−90, 90) |
Longitude | Expressed in sexagesimal degrees (−180, 180) | |
Altitude | Expressed in meters above sea level | |
Accuracy | Precision in meters of the location measurements | |
Time | Moment at which the location measurement was done (AAAA-MM-DD_HH:MM:SS format) | |
Provider | Method to perform location measurements: GPS or network-assisted | |
Network information | Connection Type | Type of network data connection active for the session. Possible values: 0(WIFI), 1(GPRS), 2(EDGE), 3(UMTS), 4(CMDA), 5(EVDO_0), 6(EVDO_A), 7(1XRTT), 8(HSDPA), 9(HSUPA), 10(HSPA), 11(IDEN), 12(EVDO_B), 13(LTE), 14(EHRPD), 15(HSPAP) |
LAC | Location area code where the user is located | |
Cell ID | Identifier of the cell providing service to the terminal | |
RSSI | Received signal strength indication (dBm) measured by the terminal (for either WiFi or cellular connections) | |
Subjective quality (feedback from users) | Video Quality Feedback | Subjective opinion regarding video quality (scale: 1 to 5) |
Audio Quality Feedback | Subjective opinion regarding audio quality (scale: 1 to 5) | |
General Feedback | General feedback from the user (scale: 1 to 5) | |
Additional Comments | The user can add any additional comment | |
Subjective quality (estimated) | Estimated Video Quality | Estimated video quality from QoE model (scale: 1 to 5) |