Systems and methods that provide frequency domain supplemental training of the time domain equalizer for DMT
US8102909B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | May 20, 2010 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | May 20, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/0377
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Using a known or later developed time domain equalizer coefficient training algorithm, a least square solution for the time domain equalizer coefficients is taken at a starting point and iteratively improved on. In particular, the improvement is directed towards maximizing number of bits per frame loaded over the time domain equalizer coefficient choice. This can be accomplished by maximizing capacity directly rather than setting a goal to shorten the channel and hoping that the capacity will be maximized as a result.
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