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公开(公告)号：EP3697171A1
公开(公告)日：2020-08-19
申请号：EP19193214.4
申请日：2019-08-22
发明人： YANG, Yong , XU, Juan
摘要： Embodiments of a method performed in a User Plane Entity (UPE) in a core network to perform a user plane initiated Packet Forwarding Control Protocol (PFCP) association release procedure are provided. In some embodiments, the method comprises, for each affected PFCP session, sending, to a Control Plane Entity (CPE), a PFCP session report request comprising an indicator that the PFCP session is being removed and one or more usage reports for the PFCP session, and deleting the PFCP session. The method further comprises sending, to the CPE, a PFCP association update request comprising information that indicates that the PFCP association update request is to initiate release of the PFCP association and an indicator that all non-zero usage reports for the affected PFCP session(s) have been reported. The method further comprises receiving, from the CPE, a PFCP association release request and sending, to the CPE, a PFCP association release response.
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公开(公告)号：EP4312413A2
公开(公告)日：2024-01-31
申请号：EP23214159.8
申请日：2021-06-18
发明人： SONG, Yumei , ZHANG, Hong , FERNANDEZ ALONSO, Susana , HE, Yingjiao , XU, Juan
IPC分类号： H04L41/0894
摘要： Methods and apparatuses for policy control are disclosed. According to an embodiment, a first network function receives a message from a second network function indicating to create or update one or more session rules and/or one or more Policy and Charging Control, PCC, rules. The first network function determines whether terminate a packet data unit, PDU, session based on a failure result of validation and/or enforcement of the session rules and/or PCC rules; and the first netwrok fucntion, when determining to terminate the PDU session based on the failure result, sends to the second network function a policy control delete message which comprises information indicating that the PDU session is terminated due to rule failure, including session rule failure and/or PCC rule failure.
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公开(公告)号：EP4189933A1
公开(公告)日：2023-06-07
申请号：EP21735896.9
申请日：2021-06-18
发明人： SONG, Yumei , ZHANG, Hong , FERNANDEZ ALONSO, Susana , HE, Yingjiao , XU, Juan
IPC分类号： H04L41/00
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公开(公告)号：EP4312413A3
公开(公告)日：2024-02-07
申请号：EP23214159.8
申请日：2021-06-18
发明人： SONG, Yumei , ZHANG, Hong , FERNANDEZ ALONSO, Susana , HE, Yingjiao , XU, Juan
IPC分类号： H04L41/0813 , H04L41/0894 , H04L41/0895
摘要： Methods and apparatuses for policy control are disclosed. According to an embodiment, a first network function receives a message from a second network function indicating to create or update one or more session rules and/or one or more Policy and Charging Control, PCC, rules. The first network function determines whether terminate a packet data unit, PDU, session based on a failure result of validation and/or enforcement of the session rules and/or PCC rules; and the first netwrok fucntion, when determining to terminate the PDU session based on the failure result, sends to the second network function a policy control delete message which comprises information indicating that the PDU session is terminated due to rule failure, including session rule failure and/or PCC rule failure.
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公开(公告)号：EP3955698A1
公开(公告)日：2022-02-16
申请号：EP21192385.9
申请日：2019-08-22
发明人： YANG, Yong , XU, Juan
摘要： Embodiments of a method performed in a User Plane Entity (UPE) in a core network to perform a user plane initiated Packet Forwarding Control Protocol (PFCP) association release procedure are provided. In some embodiments, the method comprises, for each affected PFCP session, sending, to a Control Plane Entity (CPE), a PFCP session report request comprising an indicator that the PFCP session is being removed and one or more usage reports for the PFCP session, and deleting the PFCP session. The method further comprises sending, to the CPE, a PFCP association update request comprising information that indicates that the PFCP association update request is to initiate release of the PFCP association and an indicator that all non-zero usage reports for the affected PFCP session(s) have been reported. The method further comprises receiving, from the CPE, a PFCP association release request and sending, to the CPE, a PFCP association release response.
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