Patent ID: 8514708
Filing Date: 2013-08-20
Classification: H04L,H04W

Abstract:
1. A method of transmitting data from a radio link control (RLC) layer operating in an acknowledged mode in a radio communication system, the method comprising: receiving service data units (SDUs) from an upper layer; transforming the service data units into protocol data units (PDUs) to be transmitted to a receiving side; transmitting at least one protocol data unit (PDU) among the protocol data units (PDUs) to the receiving side; and discarding at least one service data unit (SDU) if a discard time limit expires for the at least one service data unit (SDU), determining whether a transmission mode indicator is configured; and transmitting one of complete discard information and partial discard information relating to the discarded at least one SDU that has been transmitted to the receiving side in accordance with whether the transmission mode indicator is configured.