
To Run the decoder here, the author suggests that you generate H matrix and do asymptotic analysis in advance using the materials in IT. 

3. DECODER includes the decoder for AWGN

You have to compile .c file to mex file when call it from matlab. 
If you want to try it with different code design, you have to make changes on all .m file, 
please note that the .c file works for all cases.

