| 摘要 |
The invention relates in particular to a method of modifying the spectral power density of a telecommunications line sending data from a sender terminal to a receiver terminal, the spectral power density being divided between a plurality of sub-bands of data transmission frequencies of the line. This method includes the following steps: an activation message is sent from the sender terminal to the receiver terminal and the reception of that activation message by the receiver terminal causes the sending of a message requesting modification of the spectral power density transmitted in a selected sub-band from the receiver terminal to the sender terminal.
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