Viterbi decoding method and viterbi decoding circuit

Details Viterbi decoding method and viterbi decoding circuit Viterbi decoding method and viterbi decoding circuit

H - Electricity

03

M

H03M 7/00 (2006.01) H03M 13/41 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2198194

A convolutional code having identical initial and final states is decoded by using the Viterbi algorithm to trace a path starting from a first state and ending at a second state. If necessary, the trace is repeated, starting from the second state, provided the second state is not the same as the first state. The output result is then obtained from the second trace.

ode à convolution dont l'état initial et l'état final sont identiques; le décodage est réalisé à l'aide de l'algorithme de Viterbi dans le but de déterminer le chemin d'accès à un état final en partant d'un état initial. Le chemin d'accès est répété au besoin, partant du second état, pourvu que le second état ne soit pas identique au premier. Le résultat final est obtenu à partir du second chemin d'accès.

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