Title:
USER DEVICE, WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/008230
Kind Code:
A1
Abstract:
Provided is a user device for a wireless communication system provided with the user device, a base station, and core network devices. The user device is provided with: a reception unit which receives, from the base station, information indicating the NAS protocol types supported by the core network devices; a selection unit which selects, on the basis of the information indicating the NAS protocol types received by the reception unit, the NAS protocol types to be transmitted to the core network devices; and a transmission unit which transmits, to the core network devices, NAS messages of the NAS protocol types selected by the selection unit.
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Inventors:
TAKEDA SHINYA (JP)
HAPSARI WURI ANDARMAWANTI (JP)
ISOBE SHIN-ICHI (JP)
ABE MOTOHIRO (JP)
HAPSARI WURI ANDARMAWANTI (JP)
ISOBE SHIN-ICHI (JP)
ABE MOTOHIRO (JP)
Application Number:
PCT/JP2017/015674
Publication Date:
January 11, 2018
Filing Date:
April 19, 2017
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W28/02; H04W92/12
Other References:
LG ELECTRONICS: "Solution - The forward compatibility of non-standalone NR capable UE", 3GPP TSG-SA WG2#116 S 2-163374, 5 July 2016 (2016-07-05), XP051121098, Retrieved from the Internet
HUAWEI ET AL.: "Solution for enhanced dedicated core network selectio n", 3GPP TSG-SA WG2#111 S 2-153082, October 2015 (2015-10-01), XP051034799, Retrieved from the Internet
SA WG2: "Cover Sheet for TR 23.711 to TSG SA for Information", 3GPP SA #72 SP-160323, 8 June 2016 (2016-06-08), XP051110611, Retrieved from the Internet
LG ELECTRONICS: "Discussion on the forward compatibility of non-standalone NR capable UE", 3GPP TSG-SA WG2#116 S 2-163372, 5 July 2016 (2016-07-05), XP051121096, Retrieved from the Internet
ERICSSON: "CN / RAN aspects of NR integration", 3GPP TSG-RAN WG2#94 R2-163996, 27 May 2016 (2016-05-27), XP051105331, Retrieved from the Internet
LG ELECTRONICS: "Migration solution with Evolved E-UTRAN to operator with an EPC and a NextGen Core simultaneously", 3GPP TSG-SA WG2#116BIS S 2-164423, 23 August 2016 (2016-08-23), XP051143496, Retrieved from the Internet
NTT DOCOMO: "Solution for interworking and migration", 3GPP TSG- SA WG2#116 S 2-163391, 12 July 2016 (2016-07-12), pages 6 - 7, XP051121869, Retrieved from the Internet
See also references of EP 3484200A4
HUAWEI ET AL.: "Solution for enhanced dedicated core network selectio n", 3GPP TSG-SA WG2#111 S 2-153082, October 2015 (2015-10-01), XP051034799, Retrieved from the Internet
SA WG2: "Cover Sheet for TR 23.711 to TSG SA for Information", 3GPP SA #72 SP-160323, 8 June 2016 (2016-06-08), XP051110611, Retrieved from the Internet
LG ELECTRONICS: "Discussion on the forward compatibility of non-standalone NR capable UE", 3GPP TSG-SA WG2#116 S 2-163372, 5 July 2016 (2016-07-05), XP051121096, Retrieved from the Internet
ERICSSON: "CN / RAN aspects of NR integration", 3GPP TSG-RAN WG2#94 R2-163996, 27 May 2016 (2016-05-27), XP051105331, Retrieved from the Internet
LG ELECTRONICS: "Migration solution with Evolved E-UTRAN to operator with an EPC and a NextGen Core simultaneously", 3GPP TSG-SA WG2#116BIS S 2-164423, 23 August 2016 (2016-08-23), XP051143496, Retrieved from the Internet
NTT DOCOMO: "Solution for interworking and migration", 3GPP TSG- SA WG2#116 S 2-163391, 12 July 2016 (2016-07-12), pages 6 - 7, XP051121869, Retrieved from the Internet
See also references of EP 3484200A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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