| 摘要 |
A method for performing a handover by a User Equipment (UE) in a wireless communication system is provided. The method includes detecting signaling from at least one of active lower base stations, transmitting, to an upper base station as a serving base station, a Radio Resource Control (RRC) measurement report including information on the detected signaling, and performing the handover to a target active lower base station. The target active lower base station is a base station that remains active among the active lower base stations and the UE, the active lower base stations are included in the cell coverage of the upper base station. The upper base station has cell coverage including cell coverage of the active lower base stations.
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