Method and arrangement for decoding using a trellis

Details Method and arrangement for decoding using a trellis Method and arrangement for decoding using a trellis

2007-11-06

2007-11-06

Lamarre, Guy (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S794000, C714S796000, C714S792000, C375S262000, C375S341000

Reexamination Certificate

active

10662691

ABSTRACT:
A method and arrangement for performing Viterbi decoding by means of a trellis is provided. According to one embodiment, the arrangement comprises one or more ACS units. Connections between the inputs and outputs of the ACS units are implemented in such a manner that in calculating the consecutive metrics of the trellis, the calculated metrics of the previous stage of the trellis obtained from the outputs of the ACS units are directly connected to the inputs of the ACS units to be used in the calculation of the next stage of the trellis.

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