Search engine for a receive equalizer

Details Search engine for a receive equalizer Search engine for a receive equalizer

2009-10-01

2011-12-13

Odom, Curtis (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S229000, C375S230000, C375S232000, C375S371000, C375S373000

Reexamination Certificate

active

08077819

ABSTRACT:
A search engine selects initial coefficients for a receive equalizer. The search engine may be incorporated into a communication receiver that includes a decision feedback equalizer and clock and data recovery circuit. Here, the search engine may initialize various adaptation loops that may control the operation of, for example, a decision feedback equalizer, a clock and data recovery circuit and a continuous time filter. The receiver may include an analog-to-digital converter that is used to generate soft decision data for some of the adaptation loops.

REFERENCES:
patent: 7630466 (2009-12-01), Momtaz et al.
patent: 2005/0271137 (2005-12-01), Kolze et al.
patent: 2006/0251195 (2006-11-01), Chen et al.
patent: 2007/0110148 (2007-05-01), Momtaz et al.

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