Reduced alphabet equalizer using iterative equalization

Details Reduced alphabet equalizer using iterative equalization Reduced alphabet equalizer using iterative equalization

2007-05-29

2007-05-29

Kim, Kevin (Department: 2611)

Pulse or digital communications

Equalizers

Reexamination Certificate

active

09901413

ABSTRACT:
An iterative equalization process uses a reduced complexity equalizer as a first stage in the equalization process and a reduced alphabet MLSE equalizer as a later stage. The reduced complexity equalizer is used to identify a reduced alphabet including symbols having a higher probability of representing an actual transmitted symbol. The reduced alphabet is then used as the alphabet for the reduced alphabet MLSE equalizer.

REFERENCES:
patent: 6366612 (2002-04-01), Kakura et al.
patent: 6618451 (2003-09-01), Gonikberg
patent: 2002/0007257 (2002-01-01), Riess et al.
Duel-Hallen, Alexandra, et al., “Delayed Decision-Feedback Sequence Estimation”,IEEE Transactions on Communications, vol. 37, No. 5, (May 1989),428-436.

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