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39th Meeting: Daejeon, KR, June 2025 2025-06-30 09:38
AHG18: Overview of 3GPP features for Extended Reality (XR) and related high quality conversational services and related implications for ultra-low latency (ULL) coding
Authors: Rufael Mekuria Huawei Q. Pan Huawei Xiang Ma Huawei Sergey Ikonin Huawei Elena Alshina Huawei
Abstract
This contribution presents an overview of the features developed in the 3GPP network for Extended Reality (XR) and related high quality conversational video applications. This contribution proposes to develop test conditions related to the 3GPP network that results in losses of “groups of correlated packets” and different prioritization values to packets (1-15 in 3GPP network). Adopting test conditions corresponding to the 3GPP network can benefit both the codec design and potentially adoption in 3GPP network conditions.
Meeting Notes
JVET-AM0201 AHG18: Overview of 3GPP features for Extended Reality (XR) and related high quality conversational services and related implications for ultra-low latency (ULL) coding [R. Mekuria, Q. Pan, X. Ma, S. Ikonin, E. Alshina (Huawei)]

This contribution presents an overview of the features developed in the 3GPP network for Extended Reality (XR) and related high quality conversational video applications. This contribution proposes to develop test conditions related to the 3GPP network that results in losses of “groups of correlated packets” and different prioritization values to packets (1-15 in 3GPP network). Adopting test conditions corresponding to the 3GPP network can benefit both the codec design and potentially adoption in 3GPP network conditions.

It is commented that a mechanism for prioritizing packets as available in modern networks (described in this contribution and similar as described in JVET-AM0188 as well) would be highly desirable in the AHG18 network simulator software.

In this proposal, it is suggested by the proponent to include a test condition that mimics the 3GPP method. It is however suggested to start implementing more generic priority mechanisms for dedicated packets or groups of packets without sticking to some specific protocol. It is also commented that some mechanism of grouping packets is already present in the simulator (for Wifi).Agreed to further study and work on this in the AHG.

ARCHIVE :
JVET-AM0201-presentation.pdf JVET-AM0201.docx
Decisions
In this proposal, it is suggested by the proponent to include a test condition that mimics the 3GPP method. It is however suggested to start implementing more generic priority mechanisms for dedicated packets or groups of packets without sticking to some specific protocol. It is also commented that some mechanism of grouping packets is already present in the simulator (for Wifi).Agreed to further study and work on this in the AHG.
Citation