Method for synchronizing an equalizer output data

Pulse or digital communications – Equalizers – Automatic

Reexamination Certificate

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C375S371000, C708S323000

Reexamination Certificate

active

07656941

ABSTRACT:
A method for synchronizing symbols at the output of a blind equalizer, the method being characterized by the following steps: on sending, inserting into a succession of sent symbols, one or more known sequences of symbols repeated in said succession of symbols; detecting said one or more known sequences at the output of said blind equalizer; deducing any shifting of the symbols at the output of the blind equalizer from the result of said detection; and retiming the symbols at the output of the blind equalizer as a function of the deduced shift.

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C. Laot et al., “Turbo Equalization: Adaptive Equalization and Channel Decoding Jointly Optimized,” IEEE Transactions on Communications, vol. 19, No. 9, Sep. 2001.
J. Labat et al., “Adaptive Decision Feedback Equalization: can you skip the training period?”, IEEE Transactions on Communications, vol. 46, No. 7, Jul. 1998.

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