Extended Reality and 3GPP Evolution 1  Contents Executive Summary...........................................................................................................3 1. Introduction...................................................................................................................4 2. Evolution of XR ..............................................................................................................5 3. XR Key Facilitators and Use Cases .............................................................................6 3.1 XR Key Facilitators ............................................................................................6 3.2 VR Use Cases....................................................................................................7 3.3 AR Use Cases....................................................................................................8 4. XR Service Characteristics and Delivery Requirements.............................................11 4.1 VR Wireless Requirements ..............................................................................11 4.2 AR Wireless Requirements ..............................................................................13 4.3 MR and Beyond Wireless Requirements ........................................................13 5. XR Key Enablers......................................................................................................... 。。。以下略