Radio base station and program recorded medium

摘要

A frequency estimation unit ( 57 ) and a timing estimation unit ( 58 ) respectively detect a frequency offset and a timing offset from a signal received from a mobile station via a control channel. A weight calculation unit ( 53 ) corrects reception signals received via a communication channel, using the detected frequency offset and timing offset when new wireless connection to the mobile station is performed by forming an antenna directivity. A signal intended for the mobile station is separated from the corrected reception signals with high accuracy.