Publications:Method of optimizing bit rate capacities of DSL user lines

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Title Method of optimizing bit rate capacities of DSL user lines
Author D. Statovci and Tomas Nordström and R. Nilsson
Year 2008
PublicationType Patent
Journal
HostPublication
DOI
Conference
Diva url http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:608102
Abstract A method of optimizing the bit rate capacities of DSL user lines subject to far-end crosstalk by adjusting the transmit power spectral densities at the far ends of the user lines by means of parameterized power back-off functions is characterized by the steps of : a) selecting a desired bit rate share for each user line, b) measuring the noise and losses on each user line, and c) determining an individual set of power back-off parameters for each user line by calculating a global sum of the bit rates of all user lines and iterating the power back-off parameters until a maximum value of the global sum is found under the constraint that the desired bit rate shares are met.