A receiving apparatus comprising: a conversion unit operable to convert a received signal, the signal being transmitted by a multi-carrier transmission method, from a time domain into a frequency domain; a channel characteristics estimation unit operable to estimate channel characteristics in accordance with a scattered pilot signal included in the signal converted into the frequency domain; an autocorrelation calculation unit operable to calculate an autocorrelation value for the estimated channel characteristics; a tap coefficient calculation unit operable to calculate tap coefficients; and a filtering unit operable to perform filtering on the channel characteristics in accordance with the tap coefficients calculated by the tap coefficient calculation unit, characterized by an extraction unit for extracting a control signal from the received signal in the frequency domain; a decoding unit for decoding control information from the extracted control signal; a remodulation unit for generating a remodulated control signal by remodulating the decoded control information; a noise power estimation unit operable to estimate a noise power included in the converted signal on the basis of a difference between the extracted control signal and an estimate of the extracted control signal, said estimate of the extracted control signal being calculated on the basis of the remodulated control signal and the estimated channel characteristics, wherein the tap coefficient calculation unit is operable to calculate the tap coefficients in accordance with the estimated noise power and the calculated autocorrelation value, and wherein the control signal is a Transmission Multiplexing Configuration Control, TMCC, signal or a Transmission Parameters Signaling, TPS, signal. a conversion unit operable to convert a received signal, the signal being transmitted by a multi-carrier transmission method, from a time domain into a frequency domain; a channel characteristics estimation unit operable to estimate channel characteristics in accordance with a scattered pilot signal included in the signal converted into the frequency domain; an autocorrelation calculation unit operable to calculate an autocorrelation value for the estimated channel characteristics; a tap coefficient calculation unit operable to calculate tap coefficients; and a filtering unit operable to perform filtering on the channel characteristics in accordance with the tap coefficients calculated by the tap coefficient calculation unit, characterized by an extraction unit for extracting a control signal from the received signal in the frequency domain; a decoding unit for decoding control information from the extracted control signal; a remodulation unit for generating a remodulated control signal by remodulating the decoded control information; a noise power estimation unit operable to estimate a noise power included in the converted signal on the basis of a difference between the extracted control signal and an estimate of the extracted control signal, said estimate of the extracted control signal being calculated on the basis of the remodulated control signal and the estimated channel characteristics, wherein the tap coefficient calculation unit is operable to calculate the tap coefficients in accordance with the estimated noise power and the calculated autocorrelation value, and wherein the control signal is a Transmission Multiplexing Configuration Control, TMCC, signal or a Transmission Parameters Signaling, TPS, signal. <EOS>