| 摘要 |
The present invention provides a wireless transmitter for transmitting time divided multiple carrier frequency symbols, the transmitter comprising: means for modulating one or more carrier frequencies in a time divided multiple carrier frequency symbol dependent on a respective received information symbol; wherein the number of carrier frequencies modulated in the same time divided multiple carrier frequency symbol by the respective information symbol is dynamically adjustable. The transmitter may comprise means for replicating the information symbols according to a replication factor. The number of carrier frequencies modulated may be dependent on a signal quality parameter (SNR, BER, SJNR etc). The time divided multiple carrier frequency symbols may be OFDM symbols and the modulating means may be an Inverse Fast Fourier Transform (IFFT) processor. |
