Invention Grant
- Patent Title: Method and system for user equipment (UE) registration
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Application No.: US16612310Application Date: 2018-05-09
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Publication No.: US11083043B2Publication Date: 2021-08-03
- Inventor: Yasuo Sugawara , Masafumi Aramoto
- Applicant: SHARP KABUSHIKI KAISHA , FG INNOVATION COMPANY LIMITED
- Applicant Address: JP Sakai; HK Tuen Mun
- Assignee: SHARP KABUSHIKI KAISHA,FG INNOVATION COMPANY LIMITED
- Current Assignee: SHARP KABUSHIKI KAISHA,FG INNOVATION COMPANY LIMITED
- Current Assignee Address: JP Sakai; HK Tuen Mun
- Agency: Imperium Patent Works
- Priority: JPJP2017-092901 20170509
- International Application: PCT/JP2018/017974 WO 20180509
- International Announcement: WO2018/207837 WO 20181115
- Main IPC: H04W60/00
- IPC: H04W60/00 ; H04W80/10 ; H04W76/12 ; H04W8/08 ; H04W48/16 ; H04W48/18

Abstract:
A User Equipment (UE) transmits a registration request message to an AMF in a registration procedure to a core network, the registration request message including information indicating a request for transmission of LADN information, receives the LADN information from the AMF, performs a PDU session establishment procedure initiated by the UE to establish a first PDU session with a DN different from the LADN, and performs the PDU session establishment procedure initiated by a network to establish a second PDU session with the LADN in a case that the UE moves to an area connectable to the LADN. This provides a control method that should be performed by each apparatus constituting a 5GS for the UE to establish the session to the LADN, and a control method for allowing only the UE connectable to the LADN to establish the session to the LADN.
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