Method for execution of random access, user equipment, and base station

2-14. (canceled)

A method for execution of random access at a source base station, comprising:

• generating a handover command message, the handover command message comprising information about a target anchor carrier, or the handover command message comprising the information about the target anchor carrier and non-anchor carrier configuration information about a target non-anchor carrier;
• and
• sending the handover command message to a user equipment (UE), so that the UE performs random access by using the target anchor carrier, the target non-anchor carrier, or a non-anchor carrier selected from one or more carriers supporting random access.

16-17. (canceled)

A method for execution of random access at a target base station, comprising:

• determining whether to receive random access from a user equipment (UE) on a target anchor carrier or a non-anchor carrier based on handover related information, the handover related information comprising information about the target anchor carrier;
• and
• receiving or responding to the random access from the UE on the target anchor carrier or the non-anchor carrier according to the determination result.

19-29. (canceled)

A source base station, comprising:

• a generating unit for generating a handover command message, the handover command message comprising information about a target anchor carrier, or the handover command message comprising the information about the target anchor carrier and non-anchor carrier configuration information about a target non-anchor carrier;
• and
• a sending unit for sending the handover command message to a user equipment (UE), so that the UE performs random access by using the target anchor carrier, the target non-anchor carrier, or a non-anchor carrier selected from one or more carriers supporting random access.

45-46. (canceled)

A target base station, comprising:

• a determining unit for determining whether to receive random access from a user equipment (UE) on a target anchor carrier or a non-anchor carrier based on handover related information, the handover related information comprising information about the target anchor carrier;
• and
• a random access executing unit for receiving or responding to the random access from the UE on the target anchor carrier or the non-anchor carrier according to a determination result.

48-58. (canceled)