6. Glossary

3 ^rd Generation Partnership Project (3GPP)

A partnership between mobile operators to develop mobile technology standards.

Application Function (AF)

It is a powerful, but often underestimated, network function (NF) in 4G and 5G networks. It plays a key role in traffic management and QoS allocation, through interaction with policy elements.

Access and Mobility Management Function (AMF)

Access and Mobility Management, or AMF, is a function of the 5G core network control plane that manages connection and mobility management tasks.

Automatic Repeat Request (ARQ)

Automatic repeat request (ARQ), also known as automatic repeat request, is an error control method for data transmission...