Overview of NR Enhancements for Extended Reality (XR) in 3GPP 5G-Advanced

Margarita Gapeyenko; Stefano Paris; Markus Isomaki; Boyan Yanakiev; Abolfazl Amiri; Benoist Sébire; Jorma Kaikkonen; Chunli Wu; Klaus I. Pedersen

doi:10.1109/ACCESS.2024.3513444

Overview of NR Enhancements for Extended Reality (XR) in 3GPP 5G-Advanced

Margarita Gapeyenko, Stefano Paris, Markus Isomaki, Boyan Yanakiev, Abolfazl Amiri, Benoist Sébire, Jorma Kaikkonen, Chunli Wu, Klaus I. Pedersen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

Extended reality (XR) is unlocking numerous possibilities and continues attracting individuals and larger groups across different business sectors. With Virtual reality (VR), Augmented reality (AR), or Mixed reality (MR) it is possible to improve the way we access, deliver and exchange information in education, health care, entertainment, and many other aspects of our daily lives. However, to fully exploit the potential of XR, it is important to provide reliable, fast and secure wireless connectivity to the users of XR and that requires refining existing solutions and tailoring those to support XR services. This article presents an overview of 3GPP 5G-Advanced Release 18 XR activities, summarizing physical as well as higher layer enhancements introduced for NR considering the specifics of XR. In addition, we also describe enhancements across 5G system architecture that impacted radio access network. Furthermore, the paper provides system-level simulation results for several Release 18 enhancements to show their benefits in terms of XR capacity and power saving gains. Finally, it concludes with an overview of future work in Release 19 that continues developing features to support XR services.

Original language	English
Article number	10786224
Journal	IEEE Access
Volume	12
Pages (from-to)	186941-186956
Number of pages	16
ISSN	2169-3536
DOIs	https://doi.org/10.1109/ACCESS.2024.3513444
Publication status	Published - 2024

Keywords

3GPP
5G mobile communication
Bit rate
Delays
Extended reality
IP networks
Jitter
Low latency communication
Quality of service
Solid modeling
NR
AR
5G
XR
5G-advanced
VR

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title = "Overview of NR Enhancements for Extended Reality (XR) in 3GPP 5G-Advanced",

abstract = "Extended reality (XR) is unlocking numerous possibilities and continues attracting individuals and larger groups across different business sectors. With Virtual reality (VR), Augmented reality (AR), or Mixed reality (MR) it is possible to improve the way we access, deliver and exchange information in education, health care, entertainment, and many other aspects of our daily lives. However, to fully exploit the potential of XR, it is important to provide reliable, fast and secure wireless connectivity to the users of XR and that requires refining existing solutions and tailoring those to support XR services. This article presents an overview of 3GPP 5G-Advanced Release 18 XR activities, summarizing physical as well as higher layer enhancements introduced for NR considering the specifics of XR. In addition, we also describe enhancements across 5G system architecture that impacted radio access network. Furthermore, the paper provides system-level simulation results for several Release 18 enhancements to show their benefits in terms of XR capacity and power saving gains. Finally, it concludes with an overview of future work in Release 19 that continues developing features to support XR services.",

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AU - Sébire, Benoist

AU - Kaikkonen, Jorma

AU - Wu, Chunli

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AB - Extended reality (XR) is unlocking numerous possibilities and continues attracting individuals and larger groups across different business sectors. With Virtual reality (VR), Augmented reality (AR), or Mixed reality (MR) it is possible to improve the way we access, deliver and exchange information in education, health care, entertainment, and many other aspects of our daily lives. However, to fully exploit the potential of XR, it is important to provide reliable, fast and secure wireless connectivity to the users of XR and that requires refining existing solutions and tailoring those to support XR services. This article presents an overview of 3GPP 5G-Advanced Release 18 XR activities, summarizing physical as well as higher layer enhancements introduced for NR considering the specifics of XR. In addition, we also describe enhancements across 5G system architecture that impacted radio access network. Furthermore, the paper provides system-level simulation results for several Release 18 enhancements to show their benefits in terms of XR capacity and power saving gains. Finally, it concludes with an overview of future work in Release 19 that continues developing features to support XR services.

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KW - Extended reality

KW - IP networks

KW - Jitter

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KW - Quality of service

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Overview of NR Enhancements for Extended Reality (XR) in 3GPP 5G-Advanced

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