A reception device comprising: a demodulation unit configured to perform demodulation processing on a signal received by an antenna and output a demodulated signal; a first decoding unit configured to decode the demodulated signal to a first decoded signal; a first observation unit configured to observe a known signal included in the first decoded signal and output corresponding compensation information; a first signal compensation unit configured to compensate for the first decoded signal on the basis of the known signal included in the first decoded signal; a second decoding unit configured to decode the first decoded signal that is compensated by the first signal compensation unit and subsequently deinterleaved by a deinterleave processing unit, to a second decoded signal; an interleave processing unit configured to perform interleave processing on the second decoded signal and to output a feedback signal to the first decoding unit; and a second signal compensation unit arranged in a pre-stage of the first decoding unit and configured to compensate for the demodulated signal on the basis of the compensation information from the first observation unit, wherein the first decoding unit decodes the demodulated signal compensated by the second signal compensation unit, to the first decoded signal using the feedback signal output by the interleave processing unit, the first signal compensation unit estimates a phase shift and spectrum inversion of the signal on the basis of the known signal included in the first decoded signal and then compensates for the phase shift and spectrum inversion of the first decoded signal, the first observation unit observes the known signal included in the first decoded signal, estimates the phase shift and spectrum inversion of the signal, and then, outputs the corresponding compensation information, and the second signal compensation unit compensates for the phase shift and spectrum inversion of the first decoded signal of the demodulated signal on the basis of the compensation information from the first observation unit. a demodulation unit configured to perform demodulation processing on a signal received by an antenna and output a demodulated signal; a first decoding unit configured to decode the demodulated signal to a first decoded signal; a first observation unit configured to observe a known signal included in the first decoded signal and output corresponding compensation information; a first signal compensation unit configured to compensate for the first decoded signal on the basis of the known signal included in the first decoded signal; a second decoding unit configured to decode the first decoded signal that is compensated by the first signal compensation unit and subsequently deinterleaved by a deinterleave processing unit, to a second decoded signal; an interleave processing unit configured to perform interleave processing on the second decoded signal and to output a feedback signal to the first decoding unit; and a second signal compensation unit arranged in a pre-stage of the first decoding unit and configured to compensate for the demodulated signal on the basis of the compensation information from the first observation unit, wherein the first decoding unit decodes the demodulated signal compensated by the second signal compensation unit, to the first decoded signal using the feedback signal output by the interleave processing unit, the first signal compensation unit estimates a phase shift and spectrum inversion of the signal on the basis of the known signal included in the first decoded signal and then compensates for the phase shift and spectrum inversion of the first decoded signal, the first observation unit observes the known signal included in the first decoded signal, estimates the phase shift and spectrum inversion of the signal, and then, outputs the corresponding compensation information, and the second signal compensation unit compensates for the phase shift and spectrum inversion of the first decoded signal of the demodulated signal on the basis of the compensation information from the first observation unit.