4.3.1 General

23.4013GPPGeneral Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) accessRelease 18TS

The following list gives the logical functions performed within this system. Several functional groupings (meta functions) are defined and each encompasses a number of individual functions:

– Network Access Control Functions.

– Packet Routing and Transfer Functions.

– Mobility Management Functions.

– Security Functions.

– Radio Resource Management Functions.

– Network Management Functions.