A Detection Guided Normalized Least-Mean-Squares Adaptive Partial Crosstalk Canceller for Multi-User DSL Environments
Block crosstalk cancellation techniques in practical multi-user digital subscriber line (DSL) environments may involve a high computational complexity as the channel and noise statistics can vary over time. We follow an adaptive approach by designing a structurally consistent significance-test featu...
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| Veröffentlicht in: | IEEE signal processing letters 2009-06, Vol.16 (6), p.489-492 |
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| container_end_page | 492 |
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| container_issue | 6 |
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| container_title | IEEE signal processing letters |
| container_volume | 16 |
| creator | Gujrathi, M.L. Homer, J. Clarkson, I.V.L. Cendrillon, R. Moonen, M. |
| description | Block crosstalk cancellation techniques in practical multi-user digital subscriber line (DSL) environments may involve a high computational complexity as the channel and noise statistics can vary over time. We follow an adaptive approach by designing a structurally consistent significance-test feature within the normalized least-mean-square (NLMS) adaptive crosstalk canceller, aimed to detect significant crosstalkers within a DSL binder. The proposed detection-guided NLMS adaptive partial crosstalk canceller for DSL targets the dominant crosstalkers across user lines and tones, has low run-time complexity, demonstrates significantly faster convergence, and requires smaller training sequences when compared via simulation to the equivalent standard NLMS adaptive crosstalk canceller. |
| doi_str_mv | 10.1109/LSP.2009.2017480 |
| format | Article |
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| identifier | ISSN: 1070-9908 |
| ispartof | IEEE signal processing letters, 2009-06, Vol.16 (6), p.489-492 |
| issn | 1070-9908 1558-2361 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Adaptive canceller Adaptive structures Australia Binders Cancellers Channels column-wise diagonal dominant (CWDD) Complexity Computational complexity Convergence Crosstalk detection DSL Modems Noise cancellation normalized least mean squares (NLMS) partial crosstalk cancellation Run time (computers) Runtime Statistics Subscriber line Working environment noise |
| title | A Detection Guided Normalized Least-Mean-Squares Adaptive Partial Crosstalk Canceller for Multi-User DSL Environments |
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