Operating points for spectrum management in digital subscriber lines
US8724799B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2009 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Oct 2, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/487
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of determining a number of operating points for spectrum management of a plurality of digital subscriber lines in a communications network, the method comprising the steps of: determining optimization criteria (Oi) for the digital subscriber lines; determining crosstalk gains (Gi) for the digital subscriber lines; determining an initial population (Pi) of operating points (x1, . . . , xZ) where each of the operating points comprises importance ratings for each digital subscriber line of the plurality of digital subscriber lines; calculating new values of crosstalk and power spectrum densities (S) for the digital subscriber lines, by executing spectrum balancing for each operating point until the optimization criteria are fulfilled; calculating a new population of operating points, by executing an evolutionary algorithm; and iteratively performing the steps of calculating until a predefined stopping criterion is fulfilled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.