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The 3rd Generation Partnership Project (3GPP) (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC)

Description
The 3rd Generation Partnership Project (3GPP) unites seven telecommunications standard development organizations (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC), known as "Organizational Partners" providing their members with a stable environment to produce the Reports and Specifications that define 3GPP technologies. 3GPP specifications cover cellular telecommunications technologies, including radio access, core network and service capabilities, which provide a complete system description for mobile telecommunications. The 3GPP specifications also provide hooks for non-radio access to the core network, and for interworking with non-3GPP networks. Within the 3GPP Technical Specification Group Service and System Aspects (SA), the main objectives of the 3GPP TSG SA WG4 (SA4) are the specifications of codecs for speech, audio, video, graphics and other media types related to emerging services such as extended realities (XR) and gaming, as well as the system and delivery aspects of such contents. These objectives includes defining content formats and delivery protocols for unicast, multicast and broadcast streaming, cloud and edge computing architectures, media APIs, media handling in multimedia telephony, terminal acoustics requirements and performance testing, end-to-end service performance, objective and subjective quality testing, quality of experience (QoE) metrics, definition of traffic characteristics for media services, reporting for all services involving media aspects, and the use of artificial intelligence and machine learning models for multimedia. SA WG4 is currently responsible for the XR-based services and traffic characteristics, Next Generation Video for 5G, Media Distribution over 5G unicast/multicast and broadcast, Media Cloud and Edge Processing in 5GS, Glass-based Augmented Reality, VR conferencing, Immersive Voice and Audio Services and Extension for headset interface tests of UE.
Supplementary Information
Logo file will follow. List of ongoing SA4 Work Items relating to the Metaverse and XR: - Immersive Real-time Communication for WebRTC (iRTCW) - Media Capabilities for Augmented Reality (MeCAR) - IMS-based AR Conversational Services (IBACS) - Generic architecture for RT and AR/MR (GA4RTAR) - Terminal Audio quality performance and Test methods for Immersive Audio Services (ATIAS) - EVS Codec Extension for Immersive Voice and Audio Services (IVAS_Codec) - Traffic Models and Quality Evaluation Methods for Media and XR Services in 5G Systems (FS_XRTraffic) - Study on immersive Real-time Communication for WebRTC Phase 2 (FS_eiRTCW) - Study on AR and MR QoE Metrics (FS_ARMRQoE) 3GPP SA1 items: - Study on Localized Mobile Metaverse Services (FS_Metaverse)
Address
3GPP Mobile Competence Centre (MCC), ETSI, 06921 Sophia-Antipolis CEDEX, France
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