Patent ID: 11917710
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method, performed by a user equipment (UE), the method comprising:
receiving, from a base station (BS), a first message configuring a Packet Data Convergence Protocol (PDCP) duplication for a radio bearer;
configuring a primary Radio Link Control (RLC) entity and one or more secondary RLC entities for the PDCP duplication; and
receiving, from the BS, a second message related to a deactivation of the PDCP duplication;
in case that the PDCP duplication is deactivated for the radio bearer, identifying whether a split secondary RLC entity is configured among the one or more secondary RLC entities; and
in case that the split secondary RLC entity is configured, transmitting a PDCP Protocol Data Unit (PDU) based on either the primary RLC entity or the split secondary RLC entity.