Invention Application
- Patent Title: HANDLING OF COLLISION BETWEEN PDU SESSION ESTABLISHMENT AND MODIFICATION PROCEDURE
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Application No.: US17969534Application Date: 2022-10-19
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Publication No.: US20230133792A1Publication Date: 2023-05-04
- Inventor: Chien-Chun Huang-Fu , Chi-Hsien Chen , Yuan-Chieh Lin
- Applicant: MEDIATEK INC.
- Applicant Address: TW Hsin-Chu
- Assignee: MEDIATEK INC.
- Current Assignee: MEDIATEK INC.
- Current Assignee Address: TW Hsin-Chu
- Main IPC: H04W76/18
- IPC: H04W76/18 ; H04W76/12

Abstract:
A method for handling a collision of a UE-requested PDU session establishment procedure and a network-requested PDU session modification procedure is proposed. When a PDU SESSION ESTABLISHMENT REQUEST message indicates that the UE-requested PDU session establishment request procedure is to handover an existing PDU session between 5G 3GPP access and 5G non-3GPP access, UE and NW proceed with the UE-requested PDU session establishment procedure and abort the NW-requested PDU session modification procedure. When a PDU SESSION ESTABLISHMENT REQUEST message indicates that the UE-requested PDU session establishment request procedure is to establish user plane resources for an MA PDU session, UE and NW proceed with both the UE-requested PDU session establishment procedure and the NW-requested PDU session modification procedure.
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