5G Network Functions
Network Function Functional description
AMF: the following functionality is included in the Access and Mobility Management function (AMF):
RAN CP interface (N2) termination
NAS (N1) termination, NAS ciphering and integrity protection
In the 5G System, one 5G Subscription Permanent Identifier (SUPI) shall be allocated to each subscriber that can be used within the 3GPP system. The subscriptions identification is supported by the 5G system, independent of UE identification. A Permanent Equipment Identifier (PEI)...
5G QoS Parameters
5QI: it is a scalar and is used as a reference to the characteristics of 5G QoS. There is one-to-one mapping of standardized 5QI values to a standardized combination of 5G QoS characteristics.
ARP: It is a 5G QoS parameter in which information about the priority level, the...
5G Registration and Connection Management
The use of the Registration Management is registration or deregistration of UE with the network and establishment of the context of the user in the network. The establishment and release of the signalling connection between the UE and the AMF is...
5G Network Access Control
The user uses the network access to get connected to the CN of 5G. The following functionalities are comprised in the network access control:
Network selection: It is performed by a UE in order to determine the PLMN to which registration should take place. Two main...
5G System Architecture
General concepts of system architecture of 5G
The System architecture of 5G is defined so that connectivity and services of data can be supported that enables the techniques such as Network Function Virtualization and Software Defined Networking to be used in the...
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