Patent ID: 7423963

Claim:
A method for controlling packet data transmission to a base transceiver system (BTS) in a base station controller (BSC) in a mobile communication network including the BSC receiving data packets, and the BTS having a buffer for storing data packets received from the BSC for transmission to a mobile station, the method comprising the steps of: upon receipt of data packets, comparing a size of the buffer in the BTS with a number of untransmitted data packets reported by the BTS, the untransmitted data packets being those that were transmitted from the BSC to the BTS but not yet transmitted from the BTS to the mobile station; and transmitting the received data packets to the BTS, if the size of the buffer in the BTS is greater than the number of the untransmitted data packets, wherein the number of the untransmitted data packets is calculated by subtracting a number of transmitted first data packets, the transmitted first data packets being those that were transmitted from the BTS to the mobile station, reported by the BTS at stated periods, from a number of transmitted second data packets, the transmitted second data packets being those that were transmitted from the BSC to the BTS.