URSP RULE PROVISIONING IN ROAMING

Providing User Equipment (UE) Routing and Selection Policy (URSP) provisioning in roaming is disclosed herein. In one embodiment, a method performed by a Visiting Policy Control Function (V-PCF) of a Visiting Public Land Mobile Network (VPLMN) comprises, responsive to UE registration in the VPLMN an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PANCORBO MARCOS, Maria, INIESTA GONZALEZ, Antonio, GAN, Juying
Format: Patent
Sprache:eng
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Zusammenfassung:Providing User Equipment (UE) Routing and Selection Policy (URSP) provisioning in roaming is disclosed herein. In one embodiment, a method performed by a Visiting Policy Control Function (V-PCF) of a Visiting Public Land Mobile Network (VPLMN) comprises, responsive to UE registration in the VPLMN and establishment of a UE Policy Association between a Home Policy Control Function (H-PCF) of a Home Public Land Mobile Network (HPLMN) and the V-PCF, receiving HPLMN UE policy subscription data for a registered Subscription Permanent Identifier (SUPI) from the H-PCF, and generating URSP rules for the UE in the VPLMN. The V-PCF determines, based on the subscription data, whether Local Breakout (LBO) roaming is allowed for a combination of Data Network Name (DNN) and Single Network Slice Selection Assistance Information (S-NSSAI) in one or more Route Selection Descriptor (RSD) components in the URSP rules, and, if so, transmits the URSP rules to the UE.