Patent ID: 8411626

Claim:
A method for handling uplink shared channel (UL-SCH) transmission in a user equipment (UE) of a wireless communication system, the method comprising: performing an initial transmission of a transport block (TB) on an UL-SCH transmission via a first Hybrid Automatic Repeat request (HARQ) process; performing an initial transmission of a Message 3 (Msg 3 ) via a second HARQ process; and prioritizing a retransmission of the Msg 3 when the retransmission of the msg 3 and a retransmission of the TB are scheduled as same time; wherein the Msg 3 transmission is an uplink transmission on UL-SCH triggered by a random access procedure, and an Msg 3 comprises a cell radio network temporary identifier MAC control element (C-RNTI MAC CE) or a common control channel service data unit (CCCH SDU).