Viterbi decoder

A sample implementation of a branch metric unit

A sample implementation of a path metric unit for a specific K=4 decoder

A sample implementation of a traceback unit

A Viterbi decoder uses the Viterbi algorithm for decoding a bitstream that has been encoded using convolutional code or trellis code.

There are other algorithms for decoding a convolutionally encoded stream (for example, the Fano algorithm). The Viterbi algorithm is the most resource-consuming, but it does the maximum likelihood decoding. It is most often used for decoding convolutional codes with constraint lengths k<=10, but values up to k=15 are used in practice.

单词	Viterbi decoder
释义	Viterbi decoder 英语百科 Viterbi decoder A Viterbi decoder uses the Viterbi algorithm for decoding a bitstream that has been encoded using convolutional code or trellis code. There are other algorithms for decoding a convolutionally encoded stream (for example, the Fano algorithm). The Viterbi algorithm is the most resource-consuming, but it does the maximum likelihood decoding. It is most often used for decoding convolutional codes with constraint lengths k<=10, but values up to k=15 are used in practice.
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