Patent ID: 8560001

Claim:
A base station apparatus, comprising: a transmit diversity setting unit configured to select candidates for a transmit diversity mode to be applied to a user equipment terminal; a reception quality calculating unit configured to determine reception quality corresponding to each of the candidates for the transmit diversity mode based on the candidates for the transmit diversity mode selected by the transmit diversity setting unit; a scheduling unit configured to determine a user equipment terminal to which a resource block is to be allocated based on the reception quality corresponding to each of the candidates for the transmission diversity mode determined by the reception quality calculating unit; an antenna selecting unit configured to select an antenna from which the user equipment terminal is to transmit an uplink signal based on antenna correlation of sounding reference signals transmitted from the user equipment terminal; and a notifying unit configured to notify the user equipment terminal to which the resource block is allocated as determined by the scheduling unit of the transmit diversity mode to be applied, wherein the reception quality calculating unit determines a channel estimation value based on the reference signals transmitted from the user equipment terminal and determines the reception quality for each resource block based on the channel estimation value, and the notifying unit notifies the user equipment terminal of information about the antenna selected by the antenna selecting unit.