作者: Kim Donggun , Kim Soenghun , Park Suyoung
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摘要: A method, performed by a user equipment (UE), of deciphering data in wireless communication system is provided. The method includes receiving packet convergence protocol (PDCP) unit (PDU), determining RCVD_COUNT the PDCP PDU, whether integrity protection to and performing, based on PDU using RCVD_COUNT, wherein determined hyper frame number (HFN) according RCVD_DELIV sequence (SN) RX_DELIV count value first service (SDU) not delivered an upper layer waiting be PDCP.