Discrete multitone transmission systems
Systems for generating a discrete multitone signal are provided in which N carriers, corresponding to respective subchannels, are modulated in each sample period (T) of the signal by performing an inverse discrete Fourier transform of N modulation symbols (Xk,Xk), each of which symbols (Xk,Xk) repre...
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| Zusammenfassung: | Systems for generating a discrete multitone signal are provided in which N carriers, corresponding to respective subchannels, are modulated in each sample period (T) of the signal by performing an inverse discrete Fourier transform of N modulation symbols (Xk,Xk), each of which symbols (Xk,Xk) represents a signal point in a QAM constellation for a respective subchannel, the QAM constellation comprising a basic constellation of M>=2m signal points where m is the number of data bits to be communicated over the subchannel in a sample period. For each of Nc |
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