Decoder algorithm 20140917

Dual decoder algorithm:
1)Combine two parity matrix together to make a new bigger one. using bit-flipping algorithm to decode new codeword.
2) use two parity matrix separate and combine information bits in each iteration

Dual Decoder results

Update results: 2014-09-10

Ideal density evolution analysis for LDPC(3,6) codes under Binary Erasure Channel. 

Evolution of erasure rate during decoding process for single decoder 1 and 2.

 Evolution of erasure rate of dual decoder.

Next step, performance analysis of dual LDPC decoder.

List of Understanding

List of my understanding:

1. Decoding process:  Message passing algorithm
2. Density evolution