Title:
USER EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2021/132192
Kind Code:
A1
Abstract:
This UE executes, via a 3GPP access or a non-3GPP access, a first PDU session establishment procedure in which, when an ATSSS container IE including an ATSSS rule that includes a steering function indicating the eATSSS function of performing communication using two SA PDU sessions including a first SA PDU session via the 3GPP access and a second SA PDU session via the non-3GPP access, and a PDU session establishment acceptance message including a first PDU session ID for identifying the first SA PDU session have been received from a core network in the first PDU session establishment procedure, it is recognized that a first PDU session for the eATSSS function has been established, and the UE executes, via an access different from the access through which the first PDU session establishment procedure has been executed, a second PDU session establishment procedure in which a second PDU Session Establishment Request including a second PDU Session ID for identifying the second SA PDU session and the first PDU session ID is transmitted in the second PDU session establishment procedure. Accordingly, provided is a communication method using an ATSSS function or an eATSSS function in consideration of capability of the UE, and/or 5GC capability, and/or a request for the UE, etc.
Inventors:
SUGAWARA YASUO
Application Number:
PCT/JP2020/047774
Publication Date:
July 01, 2021
Filing Date:
December 21, 2020
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04W4/00; H04W76/11; H04W76/12
Other References:
ZTE: "FS_ATSSS_Ph2 Work Tasks", 3GPP TSG SA WG2 #135 S2-1910539, vol. SA GW2, 18 October 2019 (2019-10-18), pages 1 - 3, XP051799528
ZTE: "Solution options considerations for incompatible ATSSS support", 3GPP TSG-SA WG2#136 S2-1912115, vol. SA GW2, 20 November 2017 (2017-11-20), pages 1 - 5, XP051827087
ZTE: "Solution options considerations for incompatible ATSSS support", 3GPP TSG-SA WG2#136 S2-1912115, vol. SA GW2, 20 November 2017 (2017-11-20), pages 1 - 5, XP051827087
Attorney, Agent or Firm:
FUJIMOTO Eisuke et al. (JP)
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