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Content for  TR 26.998  Word version:  18.1.0

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6.3 Interactive immersive services  6.3.1 Introduction  6.3.2 Relevant use cases  6.3.3 Architectures  6.3.3.1 STAR-based  6.3.3.2 EDGAR-based 
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6.3  Interactive immersive services  p. 64

6.3.1  Introduction  p. 64

This clause introduces the case where interactive immersive service. In this case, pose and other interactions are sent uplink for the Interactive Immersive Server to render the scene accordingly.

6.3.2  Relevant use cases  p. 64

The following use cases are relevant to this scenario.
  • UC#1: 3D Image Messaging
  • UC#2: AR Sharing
  • UC#4: AR guided assistant at remote location (industrial services)
  • UE#5: Police Critical Mission with AR
  • UE#15: 5G Shared Spatial Data
  • UE#16: AR remote cooperation
  • UC#21: AR gaming
In this scenario, a user interaction is sent from a UE to a server, so that the server handles the user's request to the immersive media scene (e.g., changing the context such as translation, rotation, and scaling). The processed scene is sent back to a UE in a similar manner of immersive media streaming case.
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6.3.3  Architectures  p. 64

6.3.3.1  STAR-based  p. 64

Figure 6.3.3.1-1 provides an architecture for immersive interactive media distribution using a STAR UE.
Copy of original 3GPP image for 3GPP TS 26.998, Fig. 6.3.3.1-1: STAR-based 5G interactive immersive service architecture
Figure 6.3.3.1-1: STAR-based 5G interactive immersive service architecture
(⇒ copy of original 3GPP image)
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6.3.3.2  EDGAR-based  p. 65

Figure 6.3.3.2-1 provides an architecture for Interactive Immersive Media distribution using a EDGAR UE. In this case, similar as before, most of the rendering needs to accomplished on the server.
Copy of original 3GPP image for 3GPP TS 26.998, Fig. 6.3.3.2-1: EDGAR-based 5G interactive immersive service architecture
Figure 6.3.3.2-1: EDGAR-based 5G interactive immersive service architecture
(⇒ copy of original 3GPP image)
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