Patent ID: 7830837

Claim:
A method of data communication for user equipment (UE) in a wireless communication system, the method comprising: receiving, at a user equipment, first scheduling information from a network, the scheduling information comprising a new data indicator (NDI) and assignment information; determining that the assignment information is initial assignment information in accordance with semi-persistent scheduling if the NDI associated with the first scheduling information value is a first value; receiving an initial transmission data packet in accordance with the first scheduling information wherein an HARQ process identifier associated with the initial transmission data packet has been previously allocated by the network prior to receiving the scheduling information; and receiving second scheduling information from the network, the second scheduling information comprising an NDI and assignment information; determining that the next data packet to be received is a retransmission data packet if the NDI associated with the second scheduling information has a second value; and receiving the retransmission data packet wherein the second scheduling information further comprises an HARQ process identifier associated with retransmission data packet.