Communicating quality of experience data for the development of multimedia services
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Communicating Quality of Experience data for the development of multimedia services. Peter Brooks, Teolys (F) Bjørn Hestnes, Telenor R&D (N) Svein Heiestad, Telenor R&D (N) Carl Aaby, TANDBERG (N). Real-Time. Non Real-Time. Download Push TV Anytime. Live streaming Almost live TV.

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Communicating Quality of Experience data for the development of multimedia services

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Communicating Quality of Experience data for the development of multimedia services

Peter Brooks, Teolys (F)

Bjørn Hestnes, Telenor R&D (N)

Svein Heiestad, Telenor R&D (N)

Carl Aaby, TANDBERG (N)


Real-Time

Non Real-Time

  • Download

  • Push

  • TV Anytime

  • Live streaming

  • Almost live TV

  • Multimedia Conf

  • Videotelephony

  • Data conferencing

  • Avatar-telephony

  • Audio telephony

  • Real-time text

  • VoiceMail

  • VideoMail

  • E-Mail

  • Web surfing


Real-Time Person-to-Person Communication

  • Multimedia

  • Video

  • Data

  • Avatar

  • Audio

  • Text


Real-Time Person-to-Person Communication

  • Multimedia

  • Video

  • Data

  • Avatar

  • Audio

  • Text

End-to-end components

Input-Output devices

Input-Output devices

Routers

Encoders

keyboard

keyboard

Wireless Network Access

PANs

microphone

microphone

Tunnels, Firewalls, Encryption

ISPs

camera

camera

Decoders

  • Protocols

  • TCP-IP

  • UDP-IP

screen

screen

WANs


Making informed decisions…

  • Requirements for QoE data

  • Making QoE data available within industry

    Based on case studies with

  • Network operators

  • Equipment manufacturers

  • Service providers


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


User choice

Reliability of service

Duration of call

Cost-benefit

User appearance

Head / Upper body

Eye contact

Perception of other

User groups

Business persons

Deaf persons

Blind persons

Purpose of communication

Negotiation

Problem solving

Showing surroundings

Group communication

Multi-point

Window configuration

Human support

Technical parameters

Delay

Packet loss

Resolution

The main topics of concern


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


Packet loss

Jitter

Lip-synchrony / asynchrony

Frame-rate / resolution

Reliability of service

Multi-point social presence

Heterogeneous transcoding

User communication modes

User task types

Influence of participant status

Configurations for blind persons

Configurations for deaf persons

Quality of Experience

Key concepts & lessons


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


Intermediate Guideline Format

IFCommunication Situation

USINGService Prescription

WITHTechnical Parameters

THENUsage Outcome


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


Who would use QoE data?

Equipment manufacturer

Network operator

  • Sales

  • Marketing

  • Development engineering

  • Customer support

  • Technical research

  • HF research

  • Strategic network planning

  • Sales

  • Marketing

  • System integration

  • Network testing

  • Development engineering

  • Technical research

  • HF research

Service provider

  • Service creation

  • Service host

  • Service operator

  • Service support

  • Sales

  • System integration

  • Terminal testing


Abstracting test results

Guideline #1

Guideline #2

Guideline #n

Guidelines

IF ----------

USING ----------

WITH ---------l

THEN ----------

IF ----------

USING ----------

WITH ---------l

THEN ----------

IF ----------

USING ----------

WITH ---------l

THEN ----------

Intermediate

Guidelines

Base Knowledge Units

Test result #1

Test result #2

Test result #n

Base knowledge


Requirements for QoE data

  • Provide guidelines on key topics

  • Provide tutorials

  • Link QoS and QoE variables

  • Provide QoE data for different guideline users

  • Provide information about user behaviour that is feasible to apply


Example QoE measure

IFCommunication Situation

USINGService Prescription

WITHTechnical Parameters

THENUsage Outcome

  • Prevents adequate communication

  • Is usable

  • Offers acceptable quality

  • Offers good quality

  • Offers very good quality


Making QoE data available within industry

ETSI Guide

Web-based system


Conclusions

  • Service developers want end-user data

  • Much data not available

  • Tutorial support required

  • Standardisation bodies well positioned to disseminate QoE data

    • ETSI STF284

    • http://portal.etsi.org/stfs/hf/STF284.asp

Please visit the web-based system & provide your feedback!


Communicating Quality of Experience data for the development of multimedia services

Peter Brooks, Teolys (F)

Bjørn Hestnes, Telenor R&D (N)

Svein Heiestad, Telenor R&D (N)

Carl Aaby, TANDBERG (N)


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