A receiving apparatus comprising: a receiving section (401, 402) configured to receive a reception signal and to output a reception quadrature baseband signal based on the reception signal; an amplitude distortion estimator configured to output an amplitude estimation signal estimating an amplitude distortion of the reception quadrature baseband signal, using a pilot symbol included in the reception quadrature baseband signal; and a frequency offset estimator configured to output a frequency offset estimation signal estimating a frequency offset of the reception quadrature baseband signal, using the pilot symbol included in the reception quadrature baseband signal; wherein the reception quadrature baseband signal is a signal: being modulated with a modulation scheme determined based on information including the power of a carrier for transmitting from a terminal apparatus to a base station, the power of an interfering wave and noise power, and being modulated with a modulation scheme determined from at least two types of modulation schemes including a phase shift keying modulation scheme and a 16 quadrature amplitude modulation scheme; whereby when transmission data is modulated with the 16 quadrature amplitude modulation scheme and data is in a frame structure in which a pilot symbol, comprising of a single symbol, is inserted in every three or more successive information symbols, the symbol immediately before the pilot symbol and the symbol immediately after the pilot symbol are arranged on a virtual line connecting the pilot symbol and the origin of the inphase-quadrature plane of the 16 quadrature amplitude modulation scheme; and wherein the signal point of the symbol immediately before the pilot symbol and the signal point of the symbol immediately after the pilot symbol, are not signal points of the 16 quadrature amplitude modulation scheme. a receiving section (401, 402) configured to receive a reception signal and to output a reception quadrature baseband signal based on the reception signal; an amplitude distortion estimator configured to output an amplitude estimation signal estimating an amplitude distortion of the reception quadrature baseband signal, using a pilot symbol included in the reception quadrature baseband signal; and a frequency offset estimator configured to output a frequency offset estimation signal estimating a frequency offset of the reception quadrature baseband signal, using the pilot symbol included in the reception quadrature baseband signal; wherein the reception quadrature baseband signal is a signal: being modulated with a modulation scheme determined based on information including the power of a carrier for transmitting from a terminal apparatus to a base station, the power of an interfering wave and noise power, and being modulated with a modulation scheme determined from at least two types of modulation schemes including a phase shift keying modulation scheme and a 16 quadrature amplitude modulation scheme; whereby when transmission data is modulated with the 16 quadrature amplitude modulation scheme and data is in a frame structure in which a pilot symbol, comprising of a single symbol, is inserted in every three or more successive information symbols, the symbol immediately before the pilot symbol and the symbol immediately after the pilot symbol are arranged on a virtual line connecting the pilot symbol and the origin of the inphase-quadrature plane of the 16 quadrature amplitude modulation scheme; being modulated with a modulation scheme determined based on information including the power of a carrier for transmitting from a terminal apparatus to a base station, the power of an interfering wave and noise power, and being modulated with a modulation scheme determined from at least two types of modulation schemes including a phase shift keying modulation scheme and a 16 quadrature amplitude modulation scheme; whereby when transmission data is modulated with the 16 quadrature amplitude modulation scheme and data is in a frame structure in which a pilot symbol, comprising of a single symbol, is inserted in every three or more successive information symbols, the symbol immediately before the pilot symbol and the symbol immediately after the pilot symbol are arranged on a virtual line connecting the pilot symbol and the origin of the inphase-quadrature plane of the 16 quadrature amplitude modulation scheme; and wherein the signal point of the symbol immediately before the pilot symbol and the signal point of the symbol immediately after the pilot symbol, are not signal points of the 16 quadrature amplitude modulation scheme.