Method, device and system for cell handover in telecommunication system supporting carrier aggregation

An apparatus for cell handover, configured in a base station of a communication system supporting carrier aggregation, and comprising:

• a command forming device configured to judge, whether component carriers corresponding to one or more cells to be accessed which belong to a destination base station selected for a terminal device are in a same frequency band, wherein the terminal device is currently served by the base station and is to be handed over, and if yes, package configuration information of all the one or more cells to be accessed in a handover command for initiating cell handover, otherwise, package configuration information of one or more of the one or more cells to be accessed in the handover command;
• and
• a transmitting device configured to transmit the handover command to the destination base station.

A base station in a communication system supporting carrier aggregation, comprising an apparatus for cell handover comprising:

• a command forming device configured to judge, whether component carriers corresponding to one or more cells to be accessed which belong to a destination base station selected for a terminal device are in a same frequency band, wherein the terminal device is currently served by the base station and is to be handed over, and if yes, package configuration information of all the one or more cells to be accessed in a handover command for initiating cell handover, otherwise, package configuration information of one or more of the one or more cells to be accessed in the handover command;
• and
• a transmitting device configured to transmit the handover command to the destination base station.

A non-transitory computer-readable storage medium, which stores therein a computer program which, when executed by a computer, causes the computer to execute a method for cell handover in a communication system supporting carrier aggregation, the method comprising:

• judging, by a source base station in the communication system, whether component carriers corresponding to one or more cells to be accessed which belong to a destination base station selected for a terminal device are in a same frequency band, wherein the terminal device is currently served by the source base station and is to be handed over, and if yes, packaging configuration information of all the one or more cells to be accessed in a handover command for initiating cell handover, otherwise, packaging configuration information of one or more of the one or more cells to be accessed in the handover command;
• and
• transmitting the handover command to the destination base station.