Transmitting apparatus, receiving apparatus, transmission method, and reception method

An orthogonal frequency division multiplexing transmitting apparatus that transmits an orthogonal frequency division multiplexing (OFDM) signal, comprising:

• a data symbol generator that generates a data symbol;
• a control information signal generator that generates a control information signal including a modulation scheme information and an error correction scheme information of a data symbol;
• and
• an orthogonal frequency division multiplexing signal forming section that forms the OFDM signal including the data symbol and the control information signal,
• wherein the control information signal is arranged in a first plurality of subcarriers in a time period and a second plurality of subcarriers in the time period, and the data symbol is arranged in a location different from the control information signal in the first plurality of subcarriers in the time period and the second plurality of subcarriers in the time period,
• the first plurality of subcarriers and the second plurality of subcarriers are subcarriers included in the OFDM signal in the time period, and
• the first plurality of subcarriers are different from the second plurality of subcarriers.

An orthogonal frequency division multiplexing transmission method comprising:

• forming an orthogonal frequency division multiplexing (OFDM) signal including a data symbol and a control information signal;
• and
• transmitting the OFDM signal,
• wherein the control information signal includes a modulation scheme information and an error correction scheme information of the data symbol,
• the control information signal is arranged in a first plurality of subcarriers in a time period and a second plurality of subcarriers in the time period, and the data symbol is arranged in a location different from the control information signal in the first plurality of subcarriers in the time period and the second plurality of subcarriers in the time period,
• the first plurality of subcarriers and the second plurality of subcarriers are subcarriers included in the OFDM signal in the time period, and
• the first plurality of subcarriers are different from the second plurality of subcarriers.

An orthogonal frequency division multiplexing transmitting apparatus comprising:

• an orthogonal frequency division multiplexing signal forming section that forms an orthogonal frequency division multiplexing (OFDM) signal including a data symbol and a control information signal;
• and
• a transmitter section that transmits the OFDM signal,
• wherein the control information signal includes a modulation scheme information and an error correction scheme information of the data symbol,
• the control information signal is arranged in a first plurality of subcarriers in a time period and a second plurality of subcarriers in the time period, and the data symbol is arranged in a location different from the control information signal in the first plurality of subcarriers in the time period and the second plurality of subcarriers in the time period,
• the first plurality of subcarriers and the second plurality of subcarriers are subcarriers included in the OFDM signal in the time period, and
• the first plurality of subcarriers are different from the second plurality of subcarriers.

An orthogonal frequency division multiplexing transmission method comprising:

• forming a first orthogonal frequency division multiplexing (OFDM) symbol including a control information signal and a second OFDM symbol including a data symbol;
• and
• transmitting the first OFDM symbol and the second OFDM symbol,
• wherein the control information signal indicates a modulation scheme information of the data symbol,
• the control information signal is arranged in a first plurality of subcarriers of the first OFDM symbol and a second plurality of subcarriers of the first OFDM symbol, and the data symbol is arranged in a location different from the control information signal in the first plurality of subcarriers in the time period and the second plurality of subcarriers in the time period, and
• the first plurality of subcarriers are different from the second plurality of subcarriers.

An orthogonal frequency division multiplexing transmitting apparatus comprising:

• an orthogonal frequency division multiplexing symbol forming section that forms a first orthogonal frequency division multiplexing (OFDM) symbol including a control information signal and a second OFDM symbol including a data symbol;
• and
• a transmitter section that transmits the first OFDM symbol and the second OFDM symbol,
• wherein the control information signal indicates a modulation scheme information of the data symbol, and
• the control information signal is arranged in a first plurality of subcarriers of the first OFDM symbol and a second plurality of subcarriers of the first OFDM symbol, and the data symbol is arranged in a location different from the control information signal in the first plurality of subcarriers in the time period and the second plurality of subcarriers in the time period, and
• the first plurality of subcarriers are different from the second plurality of subcarriers.