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- W2413305421 abstract "This work presents a new algorithm for Dynamic Spectrum Management (DSM) in Digital Subscriber Lines. Previous approaches have achieved high performance by attempting to directly solve or approximate the multiuser spectrum optimisation problem. These methods suffer from a high or intractable computational complexity for even a moderate number of DSL lines. A new method is proposed which is a heuristic extension of the single user greedy algorithm applied to the multi-user case. The new algorithm incorporates a novel cost function that penalises crosstalk as well as considering the usefulness of a tone. Previous work has proved the performance of the new algorithm in simple 2-user scenarios. In this work we present new results which demonstrate the performance of the algorithm in larger DSL bundles. Simulation results are presented and it is shown that the new method achieves results within a few percent of the optimal solution for these scenarios." @default.
- W2413305421 created "2016-06-24" @default.
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- W2413305421 date "2009-01-01" @default.
- W2413305421 modified "2023-10-06" @default.
- W2413305421 title "Near-Optimal Multi-user Greedy Bit-Loading for Digital Subscriber Lines" @default.
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- W2413305421 doi "https://doi.org/10.1007/978-3-642-04648-3_16" @default.
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