Improvements to core network functions

Improvements to core network functions

One or more interworking functions (IWF) 501, 503 allow a user equipment (UE) 111a attached to a 4G network 100 to make use of services of a 5G core network 200. A control plane Interworking Function (IWF-C) 501 receives a create session request from a Mobile Management Entity (MME) 121. A create se...

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Hauptverfasser: Matthew Ian Ronald Williams, David Reekie, Leland Douglas Benson, Benjamin Thomas Wright, Richard Hewitt
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator Matthew Ian Ronald Williams
David Reekie
Leland Douglas Benson
Benjamin Thomas Wright
Richard Hewitt
description One or more interworking functions (IWF) 501, 503 allow a user equipment (UE) 111a attached to a 4G network 100 to make use of services of a 5G core network 200. A control plane Interworking Function (IWF-C) 501 receives a create session request from a Mobile Management Entity (MME) 121. A create session management context request is generated by the IWF-C 501 and transmitted to a Session Management Function (SMF) 225. A create session management context request response is received from the SMF 225. A create session request response is generated by the IWF-C 501 and sent to the MME 121. The IWF-C may also convert a modify bearer request from the MME for transmission to the SMF. An IWF-C(P) 503 receives a Policy Control Function PCF request from a SMF and generates a Policy and Charging Rules Function (PCRF) request for transmission to a PCRF 13. Packet data flows from a Packet Data Network are encapsulated into corresponding GTP-U tunnels each relating to a different bearer for the UE and transmitted to a base station serving the UE.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title Improvements to core network functions
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