Dubai, UAE, 2-3 November 2014 Overview of ITU-T SG12 KWAME Baah-Acheamfuor Chairman, ITU-T SG12 ITU Workshop on "Quality.

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Presentation transcript:

Dubai, UAE, 2-3 November 2014 Overview of ITU-T SG12 KWAME Baah-Acheamfuor Chairman, ITU-T SG12 ITU Workshop on "Quality of Service of Regulatory and Operational Issues" (Dubai, UAE, 2-3 November 2014)

Structure of ITU Plenipotentiary Conference ITU Council General Secretariat ITU-R (radiocommunication) WRC & RA ITU-D (development) WTDC ITU-T (standardization) WTSA Dubai, UAE, 2-3 November

Structure of ITU-T WTSA TSAG & Review Committee Study Group x Working Party 1/x Question 1/1 Working Party 2/x Question 1/2 Working Party 3/x Question 1/3 Study Group y Working Party 1/y Question 1/1 Working Parties … Study Groups … Dubai, UAE, 2-3 November

The Evolution of ITU-T SG 12 Established in 1957 Separate SG 16 for Transmission Planning Old SG 12 just did subjective testing & telephone standards At CCITT Plenary Assembly in 1984, these SGs were merged to form the present-day SG 12 During same time SG 12 had a Laboratory WP Subjective & objective testing for loudness of telephones In the CCITT Laboratory in Geneva - closed in 1988 Since 1986 Speech Quality Experts Group (SQEG) To better provide the quality requirements and subjective testing for speech coding algorithms standardized by SG 18 (later SG 15, now SG 16) Key role in the standardization of all of the G.711-G.729 speech and audio codecs, and still exists as Q7/12. Dubai, UAE, 2-3 November

Evolved to…….. Since 1997 Video Quality Experts Group (VQEG) With a nucleus of subjective and objective video quality expertise from SG12 SG12 still maintains close contact with VQEG Since the early 1990s work in SG 12 has expanded Into many new technology areas ATM VoIP Multimedia Digital wireless IP QoS classes Ethernet IPTV, etc. Network Performance Resource Management. Since 2008 SG12 was given responsibility for Operational aspects of telecommunication network service quality Responsibility for the QoS Development Group (QSDG) Mandate of SG12 currently as Lead Study Group on Quality of service and quality of experience Driver distraction and voice aspects of car communications Dubai, UAE, 2-3 November

SG 12 Mandate Performance, QoS and QoE Responsible for Recommendations on performance, quality of service (QoS) and quality of experience (QoE) for full spectrum of terminals, networks and services ranging from speech over fixed circuit-based networks to multimedia applications over networks that are mobile and packet based Included are operational aspects of performance, QoS and QoE end-to-end quality aspects of interoperability development of multimedia quality assessment methodologies, both subjective and objective. SG 12 is the Lead SG on quality of service and quality of experience driver distraction and voice aspects of car communications /12/Pages/default.aspx Dubai, UAE, 2-3 November

SG 12 Leading Team Chairman Kwame Baah-Acheamfuor (Ghana) Vice Chairmen Paul Barrett (United Kingdom) Vincent Barriac (France) Gamal Amin Elsayed (Sudan) Hyung-Soo Kim (Republic of Korea) Al Morton (United States) Qi Feng (China) José Guadalupe Rojas Ramírez (Mexico) Akira Takahashi (Japan) Hassan Talib (Morocco) TSB Support Hiroshi Ota, Advisor Emmanuelle Labare, Assistant Dubai, UAE, 2-3 November

Working Parties WP 1 Terminals and multimedia subjective assessment CHAIR: Lars Birger Nielsen (Denmark) VICE CHAIR: Gunilla Berndtsson (Sweden) Dubai, UAE, 2-3 November Q3/12 Speech transmission characteristics of communication terminals for fixed circuit-switched, mobile and packet- switched (IP) networks Q4/12Hands-free communication and user interfaces in vehicles Q5/12 Telephonometric methodologies for handset and headset terminals Q6/12 Analysis methods using complex measurement signals including their application for speech enhancement techniques and hands-free telephony Q7/12 Methods, tools and test plans for the subjective assessment of speech, audio and audiovisual quality interactions Q10/12Conferencing and telemeeting assessment

Working Parties WP 2 Objective models and tools for multimedia quality CHAIR: Paul Barrett (United Kingdom) VICE CHAIR: Vincent Barriac (France) Dubai, UAE, 2-3 November Q8/12 E-Model extension in wideband transmission and future telecommunication and application scenarios Q9/12 Perceptual-based objective methods for voice, audio and visual quality measurements in telecommunication services Q14/12 Development of parametric models and tools for multimedia quality assessment Q15/12 Objective assessment of speech and sound transmission performance quality in networks Q16/12 Framework for diagnostic functions and their interaction with external objective models predicting media quality

Working Parties WP 3 Multimedia QoS and QoE CHAIR: Paul Coverdale (China) VICE CHAIR: Akira Takahashi (Japan) Dubai, UAE, 2-3 November Q11/12 Performance interworking and traffic management for Next Generation Networks Q12/12 Operational aspects of telecommunication network service quality Q13/12 QoE, QoS and performance requirements and assessment methods for multimedia Q17/12 Performance of packet-based networks and other networking technologies

Overseen by SG12 QoS Development Group Yvonne Umutoni, Chair Regional Group for Africa Gamal Amin Elsayed, Chair CarCom Focus Group (closed in 2013) Hans Gierlich, Chair Driver Distraction Focus Group (closed in 2013) Scott Pennock, Chair Dubai, UAE, 2-3 November Q1/12 SG 12 work programme and QoS/QoE coordination in the ITU ‑ T Q2/12 Definitions, guides and frameworks related to QoS/QoE

SG 12 Recommendations E-Series: Overall Network Operation, telephone service, telephone operation and human factors E.420-E.479, E.800-E.859 G-Series: Transmission Systems and media, digital systems and networks G.100-series, except G.160-, G.180- and G.190-series, G series I-Series: Integrated Services Digital Network I.350-series (including Y.1501/G.820/I.351), I.371, I.378, I.381 P-Series, except P.900-series:Terminals, subjective and objective test methods Y-series: Global Information infrastructure, Internet Protocol aspects and Next Generation Networks Y.1220-, Y.1530-, Y.1540-, Y.1560-series Dubai, UAE, 2-3 November

Recently approved Recommendations P.863: “Perceptual objective listening quality assessment” E.803: “Quality of service parameters for supporting service aspects” E.804:”QoS Aspects for Popular Services in Mobile Networks” E.807: “Definitions and associated measurement methods of user-centric parameters for call handling in cellular mobile voice service”. Dubai, UAE, 2-3 November

Recently approved Recommendations ITU-T Supplement.9 (E. Series): “Guidelines on Regulatory Aspects of QoS” and some best practices worldwide Y.1545: Roadmap for the quality of service of interconnected networks that use the Internet Protocol Dubai, UAE, 2-3 November

Recently consented new Recommendations (Sept. 2013) P.1302: “Subjective method for simulated conversation tests addressing speech and audiovisual call quality” P.1311: “Method for determining the intelligibility of multiple concurrent talkers” G.1091: “QoE Requirements for Telepresence Services” Y.1546: “Hand-over performance among multiple access networks” Dubai, UAE, 2-3 November

Next Meetings The 31st QSDG meeting, Dubai, UAE, 4-6 November 2014 ITU-T SG12, WP1/12 meeting, Herzogenrath, Germany, 12 December 2014 ITU-T SG12 Regional Group for Africa (SG12 RG-AFR), Senegal, April 2015 ITU-T SG12 meeting, Geneva, 5-14 May 2015 Dubai, UAE, 2-3 November

Welcome to SG12 Dubai, UAE, 2-3 November