Patent ID: 8077671
Filing Date: 2011-12-13
Classification: H04W

Abstract:
1. A method for transmitting data in a mobile communications system, comprising: at a mobile station, when a base station is transmitting data to the mobile station, notifying the base station of a switch request that a connection of the mobile station switches from the base station to another base station; at the base station, when it is determined that the connection of the mobile station switches to the other base station, transmitting one part of unsent data destined for the mobile station to the mobile station and the other part of unsent data to the other base station, the one part of the unsent data starting from a smallest sequence number in ascending order of a sequence of the unsent data, and the other part of the unsent data starting from a largest sequence number in descending order of the sequence of the unsent data; and at the other base station, when it becomes possible to transmit data to the mobile station, transmitting the other part of the unsent data to the mobile station.