17798671. RE-SELECTION OF A PGW-C/SMF IN THE DESIRED NETWORK SLICE simplified abstract (Telefonaktiebolaget LM Ericsson (publ))
RE-SELECTION OF A PGW-C/SMF IN THE DESIRED NETWORK SLICE
Organization Name
Telefonaktiebolaget LM Ericsson (publ)
Inventor(s)
RE-SELECTION OF A PGW-C/SMF IN THE DESIRED NETWORK SLICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 17798671 titled 'RE-SELECTION OF A PGW-C/SMF IN THE DESIRED NETWORK SLICE
Simplified Explanation
The abstract describes a method for interworking between a 4G Evolved Packet Network (EPC) and a 5G core (5GC). The method involves creating a session for a User Equipment (UE) with a specific Access Point Name/Data Network Name (APN/DNN). If the first network node is not configured to support the subscribed network slice of the UE containing the APN/DNN, the method identifies a second network node that can support the subscribed network slice and transfers the session creation request to it.
- The method allows for seamless communication between 4G and 5G networks.
- It enables the creation of sessions for User Equipment with specific Access Point Name/Data Network Name.
- The method ensures that the session is handled by the appropriate network node that supports the subscribed network slice.
- It facilitates efficient network management and resource allocation.
Potential Applications
- This technology can be applied in telecommunications networks to enable smooth transition and coexistence between 4G and 5G networks.
- It can be used in scenarios where users require specific network slices for their devices or applications.
Problems Solved
- The method solves the problem of interworking between 4G and 5G networks, ensuring seamless communication and session creation for User Equipment.
- It addresses the challenge of managing network slices and directing session requests to the appropriate network nodes.
Benefits
- The method simplifies the process of interworking between 4G and 5G networks, reducing complexity and potential disruptions.
- It improves network efficiency by directing session requests to the network nodes that can support the required network slice.
- The technology enables better resource allocation and management, enhancing the overall performance of the network.
Original Abstract Submitted
Disclosed herein is a method performed by a first network node (e.g., SMF/PGW-C #1) for interworking between a 4G Evolved Packet Network (EPC) and a 5G core (5GC). The method comprises: receiving, at a first network node, a request to create a session for a User Equipment (UE) for a particular Access Point Name/Data Network Name (APN/DNN); determining that the first network node is not configured to support a subscribed network slice of the UE that contains the particular APN/DNN; identifying a second network node (e.g., PGW2 or second SMF/PGW-C) that is configured to support the subscribed network slice of the UE that contains the particular APN/DNN; and transferring, to the second network node, the request to create a session for the UE for the particular APN/DNN.
