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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
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 of multimedia services

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 of multimedia services

  • Multimedia

  • Video

  • Data

  • Avatar

  • Audio

  • Text


Real-Time Person-to-Person Communication of multimedia services

  • 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
Making informed decisions… of multimedia services

  • 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
Requirements for QoE data of multimedia services

  • 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 data1
Requirements for QoE data of multimedia services

  • 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


The main topics of concern

User choice of multimedia services

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 data2
Requirements for QoE data of multimedia services

  • 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


Key concepts lessons

Packet loss of multimedia services

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 data3
Requirements for QoE data of multimedia services

  • 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
Intermediate Guideline Format of multimedia services

IF Communication Situation

USING Service Prescription

WITH Technical Parameters

THEN Usage Outcome


Requirements for qoe data4
Requirements for QoE data of multimedia services

  • 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
Who would use QoE data? of multimedia services

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
Abstracting test results of multimedia services

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 data5
Requirements for QoE data of multimedia services

  • 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 of multimedia services

IF Communication Situation

USING Service Prescription

WITH Technical Parameters

THEN Usage Outcome

  • Prevents adequate communication

  • Is usable

  • Offers acceptable quality

  • Offers good quality

  • Offers very good quality


Making qoe data available within industry
Making QoE data available of multimedia serviceswithin industry

ETSI Guide

Web-based system


Conclusions
Conclusions of multimedia services

  • 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 services1
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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