System and method of echo cancellation

Details System and method of echo cancellation System and method of echo cancellation

2005-08-05

2008-07-15

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S219000, C375S222000, C370S286000

Reexamination Certificate

active

07400693

ABSTRACT:
An economic low-complexity system and method for echo cancellation are disclosed. The system and method are particularly suited for multi-carrier VDSL using the U0 band. The techniques taught herein may be implemented in VDSL and VDSL2 systems and used to receive signals in three bands (e.g., U0, U1 and U2) simultaneously.

REFERENCES:
patent: 5889857 (1999-03-01), Boudy et al.
patent: 2001/0036261 (2001-11-01), Prendergast et al.
patent: 2003/0091133 (2003-05-01), Redfern et al.
patent: 2004/0184519 (2004-09-01), Melsa et al.
patent: 2004/0233979 (2004-11-01), Fisher et al.
Debbasch et al (Modified Flexible Bandplan 998 for Variable Rate Symmetric VDSL Applications, May 12-15, 2003).

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