Process and device for estimating the successive values of...

Details Process and device for estimating the successive values of... Process and device for estimating the successive values of...

2006-05-30

2006-05-30

Corrielus, Jean B. (Department: 2637)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S262000, C375S265000, C714S792000, C714S795000, C714S796000

Reexamination Certificate

active

07054392

ABSTRACT:
A process for estimating successive values of digital symbols which can each take M different possible values, on the basis of the successive values of digital samples each of which results from the combination of at most L successive symbols. This process includes a stage by stage progression through a trellis of the Viterbi type with Mkstates, with k being less than or equal to L−1. All the stages are respectively provided with aggregate metrics.

REFERENCES:
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patent: 0858196 (1998-08-01), None
Mueller et al., “Reduced-State Soft-Output Trellis-Equalization Incorporating Soft Feedback”, Global Telecommunications Conference (Globecom), US, New York, IEEE, Nov. 18, 1996, pp. 95-100, XP000742133.

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