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Title:
MOBILITY ENHANCEMENT IN WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/054060
Kind Code:
A1
Abstract:
The present disclosure relates to mobility enhancement. According to various embodiments, a method performed by a secondary node (SN) establishing dual connectivity (DC) with a master node (MN) for a user equipment (UE) in a wireless communication system comprises the steps of: storing a list of conditional mobility commands for SN mobility of the UE from the SN to a target SN; on the basis of the MN mobility of the UE being initiated from the MN to the target MN, receiving, from the target MN, an SN addition request message including settings for the target MN; on the basis of the settings for the target MN, determining one or more conditional mobility commands from the list of conditional mobility commands that remain available for the target MN even after the MN mobility; and in response to the SN addition request message, transmitting, to the target MN, an SN addition request acknowledge (ACK) message including the one or more conditional mobility commands.

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Inventors:
BYUN DAEWOOK (KR)
KIM HONGSUK (KR)
JUNG SUNGHOON (KR)
KIM SEOKJUNG (KR)
Application Number:
PCT/KR2023/013420
Publication Date:
March 14, 2024
Filing Date:
September 07, 2023
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W36/36; H04W36/00
Domestic Patent References:
WO2022084153A12022-04-28
Foreign References:
KR20220122712A2022-09-02
Other References:
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2 (Release 17)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 37.340, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. V17.1.0, 19 July 2022 (2022-07-19), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 112, XP052183751
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NG-RAN; Xn application protocol (XnAP) (Release 17)", 3GPP STANDARD; TECHNICAL SPECIFICATION; 3GPP TS 38.423, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. V17.1.0, 23 June 2022 (2022-06-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 613, XP052183203
HUAWEI, HISILICON: "[38.331 - H067] Update of candidate target cell and configuration", 3GPP DRAFT; R2-2206141, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Online; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052192464
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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