Even if the channel reciprocity established between the uplink and the downlink is deteriorated, control the transmission in the downlink is performed properly. A base station 100 includes: an information obtaining unit 143 configured to obtain downlink channel information based on a downlink channel estimate, and uplink channel information based on an uplink channel estimate; and a control unit 145 configured to perform control related to transmission in downlink channel based on a correlation between the downlink channel information and the uplink channel information.