Summary

Recommendation ITU-T Y.3133 describes the requirements of the capability exposure for supporting fixed mobile convergence (FMC) in IMT-2020 networks, then defines the functional architecture, the function entities, the procedures and the high level application programming interface (API) descriptions for network capabilities exposure for supporting FMC in IMT-2020 networks.

In particular, the enhancement capabilities requirements include, unified authentication, authorization and charging, user's access type and capability, multi-access edge computing, unified customization of quality of service (QoS) capabilities, FMC network slice control, session management and mobility management, unified user data.