1. An apparatus in a wireless communication network, comprising:a communication interface configured to
acquire first information associated with an indicator indicating communication quality reported by first user terminals served by a first base station; and
acquire second information associated with an indicator indicating communication quality reported by second user terminals served by a second base station based on measurement reports of the second user terminals; and
a processor configured to configure, based on the first information and the second information, at least one of a silence ratio and power reduction amount of Almost Blank Subframe (ABS) transmission of the first base station for inter-base station coordination by performing selection from a parameter table comprising predetermined parameter pairs of silence ratio and power reduction amount of ABS.