Method of performing convergence in a, least mean square, adapti

Details Method of performing convergence in a, least mean square, adapti Method of performing convergence in a, least mean square, adapti

1992-04-13

1994-03-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379411, H04B 323

Patent

active

052951367

ABSTRACT:
A method is described of decreasing convergence time in an adaptive echo canceller. The method includes the step of locating a primary echo within a filter vector based upon relative tap values within the filter vector. The filter vector is then narrowed, based upon the located taps. An estimated error is determined based, in part, upon the narrowed filter vector. An updated filter vector is produced based, in part, upon the estimated error.

REFERENCES:
patent: 4736414 (1988-04-01), Montagna et al.
patent: 4805215 (1989-02-01), Miller
patent: 5001701 (1991-03-01), Gay
patent: 5007044 (1991-04-01), Miyoshi et al.
patent: 5029167 (1991-07-01), Arnon et al.

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