Patent ID: 7327709

Claim:
A PLP (Physical Layer Packet) transmitting method in a base station of a mobile communication system where the base station has a buffer for storing data from each of a plurality of application services, reads out at least one logical EP (Encoder packet) from the buffer, forms a PLP out of the logical EP, and transmits the PLP, and a mobile station receives the PLP, reports whether the logical EP in the PLP has an error, and transmits DRC (Data Rate Control) information to the base station, the method comprising: determining a forward data rate according to DRC information received from a mobile station; reading out one or more temporary EPs of a maximum total size from one or more buffers; determining whether the one or more temporary EPs can be transmitted at the forward data rate; forming one or more logical EPs from the one or more temporary BPs if the one or more temporary EPs can be transmitted at the forward data rate and if a total size of the one or more temporary EPs is equal to or greater than a threshold; and transmitting the one or more logical EPs in a PLP.