LDPC编码算法,

Create R = 1/2 low density parity check matrix



M : Number of row

N : Number of column

method : Method for distributing non-zero element

{0} Evencol : For each column, place 1s uniformly at random

{1} Evenboth: For each column and row, place 1s uniformly at random

noCyle : Length-4 cycle

{0} Ignore (do nothing)

{1} Eliminate

onePerCol: Number of ones per column



H : Low density parity check matrix-LDPC_code source

Create R = 1/2 low density parity check matrix



　 M　　　　: Number of row

　 N　　　　: Number of column

　 method　 : Method for distributing non-zero element

　　　　　　　{0} Evencol : For each column, place 1s uniformly at random

　　　　　　　{1} Evenboth: For each column and row, place 1s uniformly at random

　 noCyle　 : Length-4 cycle

　　　　　　　{0} Ignore (do nothing)

　　　　　　　{1} Eliminate

　 onePerCol: Number of ones per column



　 H　　　　: Low density parity check matrix