Method for equalizing a multicarrier signal in a multicarrier co

Details Method for equalizing a multicarrier signal in a multicarrier co Method for equalizing a multicarrier signal in a multicarrier co

1992-06-12

1994-02-08

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375 8, 375 14, H04B 138, H04L 516, H03H 730, H03H 740

Patent

active

052854744

ABSTRACT:
A method for optimizing a set of equalizer parameters of an equalizer to be used to equalize a multicarrier data signal that has been transmitted through a distorting channel, comprised of the steps of initializing the parameters, repeatedly sending a training sequence through the channel to the receiver, using the equalizer parameters, the received sequence, and a local replica of the training sequence to update a set of channel target response parameters, windowing the channel target response parameters, using the channel target response parameters, the received sequence and the local replica to update the equalizer parameters, and windowing the equalizer parameters. This training process is repeated until a predetermined convergence condition is detected.

REFERENCES:
J. S. Chow et al, "A Discrete Multitone Transceiver System for HDSL Applications", Aug. 1991, IEEE Journal on Selected Areas in Communications, vol. 9, No. 6, pp. 895-908.
J. M. Cioffi et al, "A Data-Driven Multitone Echo Canceller," Globecom, Nov. 1991, pp. 57-61.
J. Pennington, "Techniques for Medium-Speed Data Transmission over HF Channels," IEE Proceedings, vol. 136, Pt. 1, No. 1, pp. 11-19, Feb. 1989.

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