A transmitting apparatus which is capable of performing transmission at a first frequency and a second frequency, the transmitting apparatus comprising: a transmitter which transmits a signal to be used by a receiving apparatus for measuring communication quality in a first frequency band in a given portion of a first time period, and transmits a signal to be used by the receiving apparatus for measuring communication quality in a second frequency band in a given portion of a second time period coming after the first time period, the first frequency band not including the first frequency, the second frequency band not including the second frequency, wherein the first time period includes a first sub-time period including the given portion of the first time period and a second sub-time period not including the given portion of the first time period, and the second time period includes a third sub-time period including the given portion of the second time period and a fourth sub-time period not including the given portion of the second time period, and wherein, when performing both transmission of the signal and transmission of control data in the first time period and the second time period, the transmitter uses the second frequency for the data transmission in the first sub-time period except for the given portion used for the signal transmission, uses the first frequency for the data transmission in the second sub-time period except for the given portion used for the signal transmission, uses the first frequency for the data transmission in the third sub-time period, and uses the second frequency for the data transmission in the fourth sub-time period. a transmitter which transmits a signal to be used by a receiving apparatus for measuring communication quality in a first frequency band in a given portion of a first time period, and transmits a signal to be used by the receiving apparatus for measuring communication quality in a second frequency band in a given portion of a second time period coming after the first time period, the first frequency band not including the first frequency, the second frequency band not including the second frequency, wherein the first time period includes a first sub-time period including the given portion of the first time period and a second sub-time period not including the given portion of the first time period, and the second time period includes a third sub-time period including the given portion of the second time period and a fourth sub-time period not including the given portion of the second time period, and wherein, when performing both transmission of the signal and transmission of control data in the first time period and the second time period, the transmitter uses the second frequency for the data transmission in the first sub-time period except for the given portion used for the signal transmission, uses the first frequency for the data transmission in the second sub-time period except for the given portion used for the signal transmission, uses the first frequency for the data transmission in the third sub-time period, and uses the second frequency for the data transmission in the fourth sub-time period.