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公开(公告)号：US11778686B2
公开(公告)日：2023-10-03
申请号：US17268028
申请日：2019-07-10
发明人： Tingfang Tang
摘要： Embodiments of the present invention relate to the technical field of communications, and particularly relate to an always-on PDU session management method and device for reducing system overhead and improving user experience. The method provided in the embodiments of the present invention comprise: a session management function (SMF) determining that an attribute of a PDU session is an always-on PDU session; the SMF recording the attribute of the PDU session in a session management context; and the SMF managing the PDU session according to the attribute of the PDU session recorded in the session management context.
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公开(公告)号：US12114235B2
公开(公告)日：2024-10-08
申请号：US18076402
申请日：2022-12-07
发明人： Tingfang Tang
CPC分类号： H04W4/14 , H04W8/02 , H04W8/18 , H04W60/04 , H04W68/005
摘要： Disclosed in the present application are a short message service (SMS) ability updating method, device and apparatus. The method includes a mobility management function receives a triggering condition of an SMS function/a user data management function, and/or, the mobility management function determines that SMS over NAS ability update needs to be triggered; the mobility management function updates the SMS over NAS ability of a UE. By using the present application, when a mobility management function receives a triggering condition of an SMS function/a user data management function, and/or, the mobility management function determines that SMS over NAS ability update needs to be triggered, the mobility management function updates the SMS over NAS ability of the UE. The SMS over NAS ability update can be triggered by means of a network side, thereby preventing the UE from making an erroneous SMS transmission attempt.
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