Minimization of error contributions in a DMT system
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United States of America Patent
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Feb 13, 2007
Grant Date -
Jan 9, 2003
app pub date -
Mar 20, 2002
filing date -
Mar 30, 2001
priority date (Note) -
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Abstract
Error contributions in a DMT system where a received DMT-signal is effected by intersymbol interference, intercarrier interference and additive noise are minimized. Intersymbol interference average power, intercarrier interference average power, and additive noise average power are calculated. A cost function is determined by adding the intersymbol interference average power, the intercarrier interference average power, and the additive noise average power. A constraint is introduced which avoids a trivial solution where a time domain equalizer (TEQ) vector is equal to zero. The cost function is minimized by optimizing the TEQ vector.
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