TELCOMA Blog - 5G, 4G Articles, Tutorials and Resources

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5G Network Functions

AMF Termination of RAN CP interface (N2) Termination of NAS (N1), NAS ciphering & integrity protection Registration management Connection management Reachability management Mobility management Access authentication Access authorization AMF to support non-3GPP access Support of N2...

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5G ​Network Sharing

A network sharing architecture shall allow multiple participating operators to share resources of a single shared network according to agreed allocation schemes. The shared network includes a radio access network . The shared resources includes radio resources. 5G MOCN for 5G systems,...

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5G ​Interworking & Migration

Support for migration from EPC to 5GC Deployments based on different 3GPP architecture options and UE’s with different capabilities may co-exist at the same time within one PLMN. The UE will use EPC NAS or 5GC NAS procedures depending on the core network by which it is served. A UE that...

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5G IMS support

5G Supports IMS with functionality : Indication toward the UE if IMS voice over PS session is supported. Capability to transport the P-CSCF address(es) to UE. Paging policy differentiation for IMS IMS emergency service Domain selection for UE originating sessions. Terminating domain...

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5G ​Network Slicing

A network slice is defined within PLMN and shall include : the CN control plane and user plane network functions. In Serving PLMN, at least one of the following : NG RAN and N3IWF function to non-3GPP access. Network slices may differ for supported features and network functions optimisations...

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​Support for dual Connectivity, multi-connectivity

Dual-connectivity It involves two radio network nodes in providing radio resources to a given UE. Master RAN node which may use resources of another RAN node, the secondary RAN node, to exchange user plane traffic of an UE. Dual- connectivity provides the possibility for the master node RAN to...

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​5G security aspects

One of the most difficult security tasks of 5G networks refers to privacy. 5G networks enable new types of applications and services and allow connecting more devices to the network, encouraging malicious users to steal and share personal information. For example, health applications collect very...

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​5G QoS parameters

QoS parameters for 5G 5QI Access node specific variables that manage QoS forwarding treatment for the QoS flow. Scheduling weights, queue management thresholds, link layer protocol configuration etc. ARP The QoS parameter ARP holds information about the precedence level. The precedence...

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​User plane management

User plane functions contain the user plane path of PDU sessions. UPF traffic detection Traffic detection Traffic reporting QoS enforcement Traffic routing UE IP address management The UE sets the requested PDU session type during the PDU session establishment procedure based on...

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5G Architecture model and concepts

Main principles for 5G Architecture Discrete UP functions from CP functions. Enable supple and efficient network slicing. Define procedures as services, so that their reuse is possible. Authorize each NF to interact with other NF directly . Minimize dependencies between Access network...

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