这是log-map或者说是软输出维特比算法的一个实现。-This is the log-map or the soft output Viterbi Algorithm in a realization.

自己用matlab与c接口方法编写的可以用matlab调用的C程序，实现Viterbi译码（软硬都可）。使用前在matlab里输入：mex - 文件名.c；-A c file can be used in matlab scr ipt to achive Viterbi Decoding (Error Control Coding) for both Hard Decision and Soft Decision.

卷积编码，QAM解调器的软比特信息输入viterbi译码器进行软判决译码。-Convolution coding, the soft bit information QAM demodulator input viterbi decoder and soft decision decoding.