METHOD FOR HANDLING PDU SESSION ESTABLISHMENT WHEN MAXIMUM NUMBER OF PDU SESSIONS HAS BEEN REACHED

METHOD FOR HANDLING PDU SESSION ESTABLISHMENT WHEN MAXIMUM NUMBER OF PDU SESSIONS HAS BEEN REACHED

A method is proposed for handling a 5G PDU session establishment procedure when a maximum number of active 5G PDU sessions has been reached. When the number of active 5G PDU sessions has reached the maximum number of active PDU sessions as defined for the PLMN/SNPN, a UE needs to release an existing...

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1. Verfasser: LIN, YUANIEH
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator LIN, YUANIEH
description A method is proposed for handling a 5G PDU session establishment procedure when a maximum number of active 5G PDU sessions has been reached. When the number of active 5G PDU sessions has reached the maximum number of active PDU sessions as defined for the PLMN/SNPN, a UE needs to release an existing 5G PDU session in order to add a new 5G PDU session. In one novel aspect, the UE can select a 4G PDN connection and release the selected PDN connection to fulfill the requirement for having number of 5G PDU session less than or equal to the maximum number of active 5G PDU sessions. The selected 4G PDN connection is established as a user-plane resource for an MA PDU session; by releasing the selected PDN connection, the UE is then able to establish a new PDU session, including an emergency PDU session in 5GS.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title METHOD FOR HANDLING PDU SESSION ESTABLISHMENT WHEN MAXIMUM NUMBER OF PDU SESSIONS HAS BEEN REACHED
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