DEVICE AND METHOD FOR CONTROLLING UPLINK PATH IN DUAL CONNECTIVITY

WIPO Patent Application WO/2023/219294

A1

A device comprising a first node operating in a master node (MN) in dual connectivity is provided. The device may comprise at least one transceiver and at least one processor coupled to the at least one transceiver. The at least one processor can receive, through an Xn interface, a secondary node (SN) modification required message from a second node operating in an SN. The SN modification required message can include indication information for an MN-terminated split bearer. The indication information can indicate the availability of UL usage at the SN. The at least one processor can identify an uplink (UL) primary path of the MN-terminated split bearer on the basis of the indication information for the MN-terminated split bearer, and can transmit, to a terminal, information for indicating the UL primary path.

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OAK JEONGYEOB (KR)
MADE HARTA DWIJAKSARA (KR)

PCT/KR2023/005254

November 16, 2023

April 18, 2023

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SAMSUNG ELECTRONICS CO LTD (KR)

H04W72/27; H04W28/086; H04W76/15; H04W76/22; H04W92/20

WO2022087077A1	2022-04-28
WO2021019940A1	2021-02-04

VIVO: "Activation of a deactivated SCG", 3GPP TSG RAN WG2 MEETING #113BIS-E, R2-2102873, 2 April 2021 (2021-04-02), XP052174446
VIVO: "Activation of a deactivated SCG", 3GPP TSG RAN WG2 MEETING #116BIS-E, R2-2201393, 11 January 2022 (2022-01-11), XP052094494
LENOVO, MOTOROLA MOBILITY: "Discussion on SCG activation", 3GPP TSG-RAN WG2 MEETING #115-E, R2-2107924, 6 August 2021 (2021-08-06), XP052034527

KWANG AND JANG INTELLECTUAL PROPERTY LAW FIRM (KR)

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