School of Specs 23.501v20.2.0

3GPP 23.501 v20.2.0 — the document's own text

5.50.1 Overview

Taught in 26. Relays, satellites, femtos and shared networks (The 5G system architecture, in depth).

This clause provides an overview of 5GS functionalities and architecture to support NR Femto deployments.

For the support of NR Femto in 5GS, the architecture is described in clause 5.50.2.

For the UE access control to the NR Femto cell, the CAG concept defined in the clause 5.30.3 for PNI-NPN may be used. The Femto cell may broadcast one or multiple CAG Identifiers as specified in the clause 5.30.3 if CAG is used for access control.

NOTE: Security aspects of NR Femto are specified in TS 33.545 [221].

The CAG owner or an authorized administrator may control/provision subscribers to allow accessing their NR Femto/CAG cells as described in clause 5.50.3.

An NR Femto Hosting Party plays the role of a CAG owner.