Abstract :
An algorithm for allocating bits to several carriers of a discrete multitone (DMT) symbol is proposed. The target of the algorithm is to assign the required bits (supported service) among the carriers so that the transmitted power is kept to a minimum. Ultimately, this algorithm is a transmitted power back-off algorithm which enables the system to operate at the minimum required power, resulting in the minimisation of the crosstalk interference to other systems located in the same binder group. Even though this algorithm was originally designed according the very high speed digital subscriber line system specifications, it can equally be used in every DMT-based digital subscriber line system such as asymmetrical digital subscriber line systems
Keywords :
crosstalk; digital subscriber lines; interference suppression; signal processing; ADSL systems; DMT-based systems; asymmetrical DSL systems; crosstalk interference minimisation; digital subscriber line system; discrete multitone symbol; minimum transmitted power constraint; optimum bit allocation algorithm; transmitted power back-off algorithm; transmitted power minimisation; very high speed DSL system specifications;
