Receiver-based adaptive equalizer with pre-cursor compensation

Details Receiver-based adaptive equalizer with pre-cursor compensation Receiver-based adaptive equalizer with pre-cursor compensation

2005-11-22

2011-12-20

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S232000

Reexamination Certificate

active

08081677

ABSTRACT:
An equalization circuit is disclosed that enables high data rate transmission over high loss communications channels. Also disclosed is a set of functional blocks and update criteria that allow for the equalization function to be adapted for a large variety of different communications channels. A fully continuous adaptive equalizer is used in conjunction with a Decision Feedback Equalizer to fully equalize a wide range of communications channels. Interoperability and Bit Error Rate performance are optimized through compensation of pre-cursor inter-symbol interference, which is performed adaptively in the receiver as opposed to the transmitter.

REFERENCES:
patent: 5557482 (1996-09-01), Christensen et al.
patent: 6055269 (2000-04-01), Drost et al.
patent: 7272177 (2007-09-01), Lin et al.
patent: 2008/0260016 (2008-10-01), Lapointe et al.

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