A multicarrier-signal receiving apparatus, comprising: a Fourier-transformer configured to perform a Fourier transform on reception signals to extract subcarriers; and a channel estimator configured to perform channel estimation on one of the extracted subcarriers using channel estimation symbols included in a subcarrier group to which the one of the extracted subcarriers belongs, the subcarrier group including subcarriers to which an identical phase rotation is added upon transmission, a channel compensator configured to perform channel compensation on data symbols included in the one of the extracted subcarriers using a result of the channel estimation performed by the channel estimator on the one of the extracted subcarriers; a controller configured to give, to the channel estimator, an instruction on a channel estimating method according to a resource block to which the one of the extracted subcarriers belongs, the resource block being a unit of demodulation processing in frequency and time directions, wherein the channel estimator is configured to select, for the channel estimation to be performed on the one of the extracted subcarriers, whether to use channel-estimation symbols included in the subcarrier group to which the one of the extracted subcarriers belongs or to use channel-estimation symbols included in a plurality of subcarrier groups including the subcarrier group to which the one of the extracted subcarriers belongs, based on the instruction given by the controller, and performs the channel estimation based on the selection, and wherein the instruction given by the controller is based on whether different phase rotation amounts are added to the subcarrier groups of a resource block, or whether the same phase rotation amount is added to the subcarrier groups of a resource block. a Fourier-transformer configured to perform a Fourier transform on reception signals to extract subcarriers; and a channel estimator configured to perform channel estimation on one of the extracted subcarriers using channel estimation symbols included in a subcarrier group to which the one of the extracted subcarriers belongs, the subcarrier group including subcarriers to which an identical phase rotation is added upon transmission, a channel compensator configured to perform channel compensation on data symbols included in the one of the extracted subcarriers using a result of the channel estimation performed by the channel estimator on the one of the extracted subcarriers; a controller configured to give, to the channel estimator, an instruction on a channel estimating method according to a resource block to which the one of the extracted subcarriers belongs, the resource block being a unit of demodulation processing in frequency and time directions, wherein the channel estimator is configured to select, for the channel estimation to be performed on the one of the extracted subcarriers, whether to use channel-estimation symbols included in the subcarrier group to which the one of the extracted subcarriers belongs or to use channel-estimation symbols included in a plurality of subcarrier groups including the subcarrier group to which the one of the extracted subcarriers belongs, based on the instruction given by the controller, and performs the channel estimation based on the selection, and wherein the instruction given by the controller is based on whether different phase rotation amounts are added to the subcarrier groups of a resource block, or whether the same phase rotation amount is added to the subcarrier groups of a resource block.