Title:
SESSION ESTABLISHMENT METHOD, DEVICE AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/128672
Kind Code:
A1
Abstract:
Embodiments of the present application provide a session establishment method, device and system, capable of resolving the problem in the prior art of the restriction of applications in given scenarios due to that NAS message transmission and user plane establishment cannot be separated. The method comprises: during a process a terminal establishes a connection with a second access network device, the terminal obtains the identifier of the second access network device; the terminal sends a non-access stratum (NAS) message to a first access network device, the first NAS message carrying the identifier of the second access network device and used for the terminal to establish a session by means of the second access network device.
Inventors:
YU YOUYANG (CN)
JIANG MING (CN)
JIANG MING (CN)
Application Number:
PCT/CN2018/119680
Publication Date:
July 04, 2019
Filing Date:
December 07, 2018
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W64/00
Foreign References:
| CN106851856A | 2017-06-13 | |||
| US20170339609A1 | 2017-11-23 | |||
| CN201711484925A | 2017-12-29 |
Other References:
BBF WIKI.: "SD-407 5G Fixed Mobile Convergence Study", 5G FMC STUDY, 10 August 2017 (2017-08-10), XP051335452
NOKIA ET AL: "OI #18 23.502: (NAS SM: split)+ Correcting information flows in ยง 4.3 (PDU session related)", SA WG2 MEETING #124 S2-178255, 21 November 2017 (2017-11-21), XP051379323
SAMSUNG: "TS 23.501: AMF and SMF operations for the LADN PDU Session", SA WG2 MEETING #S2-124 S 2-178288, 21 November 2017 (2017-11-21), XP051379340
3GPP: "Technical Specification Group Services and System Aspects; System Architecture for the 5G System; Stage 2 (Release 15)", 3GPP TS 23.501 V15.0.0, 22 December 2017 (2017-12-22), pages 1 - 181, XP055623209
See also references of EP 3720203A4
NOKIA ET AL: "OI #18 23.502: (NAS SM: split)+ Correcting information flows in ยง 4.3 (PDU session related)", SA WG2 MEETING #124 S2-178255, 21 November 2017 (2017-11-21), XP051379323
SAMSUNG: "TS 23.501: AMF and SMF operations for the LADN PDU Session", SA WG2 MEETING #S2-124 S 2-178288, 21 November 2017 (2017-11-21), XP051379340
3GPP: "Technical Specification Group Services and System Aspects; System Architecture for the 5G System; Stage 2 (Release 15)", 3GPP TS 23.501 V15.0.0, 22 December 2017 (2017-12-22), pages 1 - 181, XP055623209
See also references of EP 3720203A4
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