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.

用于学习软判决解调算法,文件中包含用于算法描述的文献,以及对应matlab代码,支持PSK,QPSK,16-QAM,64-QAM四种调制方式-Demodulation algorithm for learning soft decision, contained in the file for the algorithm described in the literature, as well as the corresponding matlab code support PSK, QPSK,

BPSK,QPSK,16QAM,64QAM调制，以及软比特提取，软比特信息输入译码器，进行软判决译码。-BPSK, QPSK, 16QAM, 64QAM modulation and soft bit extracting, soft bit information input to the decoder and conduct soft-decision decoding.

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.