Patent ID: 7756081

Claim:
A method of data communication at a user equipment (UE) in a wireless communication system, the method comprising: receiving scheduling information from a network, the scheduling information including downlink (DL) resource assignment information and a new data indicator (NDI); if the scheduling information is received for a first UE identity and the NDI has a first value, utilizing the scheduling information as configuration information of a semi-persistent scheduling to receive a downlink data packet from the network for at least two transmission time intervals (TTIs); if the scheduling information is received for the first UE identity and the NDI has a second value, utilizing the scheduling information to receive a retransmission data packet from the network for a single transmission time interval (TTI), wherein the retransmission data packet is associated with a data packet which was scheduled to be received in accordance with semi-persistent scheduling; and if the scheduling information is received for a second UE identity, utilizing the scheduling information to receive a downlink data packet during a corresponding TTI.