A method of handling handovers in a cell cluster comprises transmitting, by an anchor cell in the cell cluster, first control information with a first power level to a communication device of the wireless communication system, for the communication device to perform a network entry according to the first control information; and transmitting, by the anchor cell, second control information with a second power level lower than the first power level to the communication device, for the communication device to obtain channel information according to the second control information.