ACCESS NETWORK NODE, USER EQUIPMENT, NETWORK FUNCTION NODE AND CONTROL METHOD

Title:

ACCESS NETWORK NODE, USER EQUIPMENT, NETWORK FUNCTION NODE AND CONTROL METHOD

Document Type and Number:

WIPO Patent Application WO/2022/030254

Kind Code:

A2

Abstract:

An object of the present disclosure is to provide an access network node, a user equipment, a network function node and a control method capable of steering a UE in connected mode. In one example aspect, an access network node is configured to receive, from a network function node for mobility management, at least one first network slice information, each of which is different from a second network slice information being used for a Protocol Data Unit, PDU, session with a user equipment, UE; and perform a redirection procedure for the UE from a first cell to a second cell which supports one of the at least one first network slice information in a case where the second network slice information is not available in the first cell.

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Inventors:

IANEV ISKREN (JP)
TAMURA TOSHIYUKI (JP)
AL-KANANI HASSAN (JP)
FAN LINGHANG (JP)

Application Number:

PCT/JP2021/027211

Publication Date:

February 10, 2022

Filing Date:

July 20, 2021

Export Citation:

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Assignee:

NEC CORP (JP)

International Classes:

H04W36/00

Foreign References:

EP20189550A

2020-08-05

Other References:

"Vocabulary for 3GPP Specifications", 3GPP TECHNICAL REPORT (TR) 21.905, July 2020 (2020-07-01)
"System architecture for the 5G System (5GS", 3GPP TS 23.501, July 2020 (2020-07-01)
"Procedures for the 5G System (5GS", 3GPP TS 23.502, July 2020 (2020-07-01)
"Study on enhancement of network slicing; Phase 2", 3GPP TR 23.700-40, June 2020 (2020-06-01)
"NR; NR and NG-RAN Overall Description; Stage-2", 3GPP TS 38.300, July 2020 (2020-07-01)
"NG-RAN; Xn Application Protocol (XnAP", 3GPP TS 38.423, July 2020 (2020-07-01)
3GPP TR 21.905
"Procedures for the 5G System (5GS", 3GPP TECHNICAL SPECIFICATION (TS) 3GPP TS 23.502, July 2020 (2020-07-01)
3GPP TS 23.502

Attorney, Agent or Firm:

IEIRI Takeshi (JP)

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