Patent ID: 11877183
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A method by a receiver in a communication system, the method comprising:
receiving a first packet including a packet data convergence protocol (PDCP) service data unit (SDU) from a transmitter;
transmitting, to the transmitter, a hybrid automatic repeat and request (HARQ) acknowledgment (ACK) corresponding to the first packet or a request for toggling a new data indicator (NDI); and
receiving, from the transmitter, a second packet associated with the same PDCP SDU as the first packet,
wherein the second packet does not include the PDCP SDU, in case that the second packet is transferred to a medium access control (MAC) layer of the transmitter, or the second packet includes a radio link control (RLC) header.