US 12,225,632 B2
Method and user equipment for handling user plane in dual connectivity in wireless communication system
Neha Sharma, Bangalore (IN); and Mangesh Abhimanyu Ingale, Bangalore (IN)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jun. 30, 2023, as Appl. No. 18/346,040.
Application 18/346,040 is a continuation of application No. 17/334,942, filed on May 31, 2021, granted, now 11,716,783.
Application 17/334,942 is a continuation of application No. 16/652,362, granted, now 11,026,291, issued on Jun. 1, 2021, previously published as PCT/KR2018/011657, filed on Oct. 1, 2018.
Claims priority of application No. 201741034761 (IN), filed on Sep. 29, 2017; and application No. 201741034761 (IN), filed on Sep. 20, 2018.
Prior Publication US 2023/0345582 A1, Oct. 26, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 76/19 (2018.01); H04W 12/033 (2021.01); H04W 12/04 (2021.01); H04W 76/15 (2018.01); H04W 76/27 (2018.01); H04W 80/02 (2009.01)
CPC H04W 80/02 (2013.01) [H04W 12/033 (2021.01); H04W 12/04 (2013.01); H04W 76/15 (2018.02); H04W 76/27 (2018.02)] 16 Claims
OG exemplary drawing
 
1. A method by a user equipment (UE) performing communication with a master node (MN) and a secondary node (SN) in a wireless communication network, the method comprising:
establishing connections between the MN, the SN and the UE, the UE configured with an evolved-UMTS terrestrial radio access (E-UTRAN) and new radio access network (NR) dual connectivity (EN-DC), wherein the UE comprises radio link control (RLC) entities including an E-UTRA RLC entity and a NR RLC entity, and wherein a master cell group (MCG) bearer, a secondary cell group (SCG) bearer, or a split bearer is configured for a RLC entity;
identifying information indicating bearer type change;
in response to identifying the information indicating the bearer type change of re-establishment of a RLC entity for a radio bearer (RB), performing re-establishment of the RLC entity for the RB; and
in response to identifying the information indicating the bearer type change of release of a RLC entity, performing the release of the RLC entity for the RB.