Method for determining the filter coefficients of a digital...

Details Method for determining the filter coefficients of a digital... Method for determining the filter coefficients of a digital...

2007-02-06

2007-02-06

Phu, Phuong (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S229000, C375S260000, C708S322000, C708S323000

Reexamination Certificate

active

10257675

ABSTRACT:
A vector space comprising all of the filter coefficients for different interfering signals is provided, based on an acquired impulse response. A linear vector sub-space comprising all of the optimal filter coefficients for different interfering signals is established from said vector space using a vector space optimization method. The filter coefficients are established from the vector sub-space according to the current interfering signal being detected, during ongoing data transmission and at the maximum transmission speed.

REFERENCES:
patent: 5461640 (1995-10-01), Gatherer
patent: 5870432 (1999-02-01), Kerckhove
patent: 6151358 (2000-11-01), Lee et al.
patent: 6396886 (2002-05-01), Kapoor
patent: 6408022 (2002-06-01), Fertner
patent: 197 35 216 (1999-02-01), None
patent: 0 946 025 (1999-09-01), None
“Matrix Computations” by Gene Golub et al., c. 1983.
XP-000773405: “Time-Domain Equalization for Multicarrier Communication” by Mark van Bladel et al., c. 1995.
XP-000549644: “Optimum Finite-Length Equalization for Multicarrier Transceivers” by Naofal Al-Dhahir et al., c. 1996.
“Maximizing the Channel Capacity of a Multicarrier Transmission by a Suitable Adaptation Procedure for the Time-Domain Equalizer” by Werner Henkel et al.

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