US 11,917,710 B2
Method and apparatus for controlling activation of RLC layers in wireless communication system
Donggun Kim, Suwon-si (KR); and Sangkyu Baek, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Aug. 3, 2022, as Appl. No. 17/817,300.
Application 17/817,300 is a continuation of application No. 16/969,534, granted, now 11,432,363, previously published as PCT/KR2020/004058, filed on Mar. 25, 2020.
Claims priority of application No. 10-2019-0033738 (KR), filed on Mar. 25, 2019; application No. 10-2019-0050054 (KR), filed on Apr. 29, 2019; application No. 10-2019-0060225 (KR), filed on May 22, 2019; and application No. 10-2019-0092664 (KR), filed on Jul. 30, 2019.
Prior Publication US 2022/0377829 A1, Nov. 24, 2022
Int. Cl. H04W 76/27 (2018.01); H04W 76/22 (2018.01)
CPC H04W 76/27 (2018.02) [H04W 76/22 (2018.02)] 20 Claims
OG exemplary drawing
 
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.