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TR 26.919SA4
Study on
Media Handling aspects of
Conversational Services
in 5G Systems

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V16.2.0 (Wzip)  2019/09  27 p.

Rapporteur:  Dr. Oyman, Ozgur

The present document studies media handling aspects of 5G conversational services, focusing on Multimedia Telephony Service over IMS (MTSI) and IMS-based Telepresence Service. Various technical aspects including speech codes, video codecs, media rate adaptation, virtual reality (VR) support and new radio (NR) considerations are addressed, and related gap analysis and potential solutions are documented.

full Table of Contents for  TR 26.919  Word version:   16.2.0

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1  ScopeWord-p. 6
2  References
3  Definitions and AbbreviationsWord-p. 7
4  5G System Overview
5  Impacts of 5G Stage-1 Requirements on 3GPP Conversational ServicesWord-p. 11
5.1  Technical Aspect 1: Efficient Speech User PlaneUp
5.2  Technical Aspect 2: Efficient Video User Plane
5.3  Technical Aspect 3: Media Rate Adaptation
5.4  Technical Aspect 4: VR ServicesWord-p. 14
5.5  Technical Aspect 5: 5G New Radio (NR) AccessWord-p. 16
5.6  Technical Aspect 6: Profiles for 5G DeploymentsUp
5.7  Technical Aspect 7: Support for Real-Time Interaction
6  Impacts of 5G Stage-2 System Architecture on 3GPP Conversational ServicesWord-p. 25
7  Codecs for 5G Conversational Services
8  QoS Handling for 5G Conversational Services
9  ConclusionsWord-p. 26
B  Change historyWord-p. 27

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