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 |
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.
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