FEC编码源程序，对HARQ纠错有一定的帮助-FEC source coding, HARQ error correction help

程序先进行卷积编码，然后进行viterbi译码，程序有纠错功能，中间出现误码，程序解码时会自动纠正-Convolution coding program first and then viterbi decoding program has error correction, the error appears in the middle, when the program will automatically correct decoding