5G • Services
Extended Reality (XR)
5G XR / Cloud Gaming Optimizations
3GPP Rel-18 features optimizing radio scheduling for Augmented, Virtual, and Mixed Reality video streams.
Technical Explanation
Extended Reality (XR) traffic features quasi-periodic, large video frame bursts with strict latency bounds (<10 ms). Rel-18 introduces XR-aware scheduling: the gNodeB detects video frame boundaries (PDB per frame), synchronizes uplink and downlink streams, and dynamically prioritizes I-frames over P-frames.
Key Functions
- Optimizes 5G radio scheduling for AR/VR headsets and cloud gaming
- Synchronizes multi-modal video and haptic streams within 10 ms delay budgets
- Prioritizes critical video I-frames to prevent visual stuttering and motion sickness
Specifications
3GPP TR 38.835
Interfaces
Uu
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