公开(公告)号：US20210099883A1

公开(公告)日：2021-04-01

申请号：US16970767

申请日：2019-08-16

Applicant: LG ELECTRONICS INC.

Inventor： Geumsan Jo ,  Seungjune Yi

IPC: H04W12/10 ,  H04W28/06 ,  H04W80/02 ,  H04L12/801 ,  H04L12/823

Abstract: The present invention relates to a method for processing data units by a Packet Data Convergence Protocol (PDCP) entity of a user equipment (UE) in a wireless communication system. In particular, the method includes the steps of: receiving a first data unit having a specific count value from a lower layer; and discarding the first data unit, when there is a second data unit having the specific count value which was received before the first data unit and for which an integrity verification was successful.