US Patent No. 10,716,156

METHOD AND DEVICE FOR TRANSMITTING DATA UNIT


Patent No. 10,716,156
Issue Date July 14, 2020
Title Method And Device For Transmitting Data Unit
Inventorship Seungjune Yi, Seoul (KR)
Sunyoung Lee, Seoul (KR)
Assignee LG Electronics Inc., Seoul (KR)

Claim of US Patent No. 10,716,156

1. A method for transmitting, by a transmitting device, data units in wireless communication system, the method comprising:receiving, by the transmitting device, radio bearer (RB) configuration information for a RB, the RB configuration information including configuration information for a packet data convergence protocol (PDCP) entity and multiple lower layer entities associated with the PDCP entity;
if receiving, by the transmitting device, an activation command for a packet duplication function of the PDCP entity for the RB,
submitting, at the PDCP entity, a PDCP protocol data unit (PDU) to each of the multiple lower layer entities; and
transmitting, by each of the multiple lower layer entities, the PDCP PDU, and
if receiving, by the transmitting device, a deactivation command for the packet duplication function,
submitting, at the PDCP entity, the PDCP PDU to a single one of the multiple lower layer entities; and
transmitting, by the single one of the multiple lower layer entities, the PDCP PDU.