Table of Contents

1    Introduction   

2    Abbreviations   

3    References   

4    Key System Requirements and Network Architecture   

5    Key Functions   
5.1    Separation of Control Plane and User Plane   
5.2    Flexible and Efficient User Plane Selection   
5.3    Edge Computing    
5.4    Network Slicing    
5.5    QoS Framework   
5.6    Multiple Access    
5.7    Interworking and Migration    
5.8    IMS Voice   

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