Viterbi decoding apparatus and methods

Details Viterbi decoding apparatus and methods Viterbi decoding apparatus and methods

1994-05-25

1996-04-16

Gordon, Paul P.

Excavating

375341, G06F 1110, H03M 1312

Patent

active

055090206

ABSTRACT:
A received data decoding apparatus receives and decodes transmitted convolutional code data. The received data is formed of a first channel whose data rate is fixed and a second channel whose data rate is variable. The received data decoding apparatus includes a most likelihood decoder for decoding the received data on the basis of a Viterbi algorithm and a data rate decision unit for obtaining a predetermined data rate of the second channel determined according to a path metric amount which is a decoded output from the most likelihood decoder.

REFERENCES:
patent: 4015238 (1977-03-01), Davis
patent: 5272726 (1993-12-01), Furuya et al.
patent: 5311523 (1994-05-01), Serizawa et al.
patent: 5325402 (1994-06-01), Ushirokawa
patent: 5375129 (1994-12-01), Cooper

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