METHOD AND APPARATUS FOR DMT CROSSTALK CANCELLATION
摘要
<p>An apparatus for precoding multi-tone modulated transmissions of a plurality of communication channels over bundled subscriber lines. The apparatus includes a pseudo symbol controller and a precoder. The pseudo symbol controller detects a victim communication channel and an interferor communication channel having non- matching symbol rates, and transforms the interferor channel into a pseudo-symbol having both a substantially similar length as a corresponding symbol of the victim channel together with defined tonal characteristics expressed in terms of the interferor channel. The precoder assigns crosstalk coefficients to selected sub-channels or tones of the pseudo symbol and precodes the victim channel with the pseudo symbol using the crosstalk coefficients; thereby generating a precoded victim symbol which exhibits reduced crosstalk between the selected victim and interferor.</p>
申请公布号
WO2010024884(A1)
申请公布日期
2010.03.04
申请号
WO2009US04838
申请日期
2009.08.24
申请人
IKANOS COMMUNICATIONS, INC.;SCHELSTRAETE, SIGURD;HEIDARI, SAM