Research Article

The Manifestation of Stopping Sets and Absorbing Sets as Deviations on the Computation Trees of LDPC Codes

Table 4

The multiplicity of variable nodes contained in the deviation created using the directed graph given in Figure 10.

𝑖 𝑣 6 𝑣 1 1 𝑣 1 2 𝑣 1 5 𝑣 1 9

0 0 0 0 0 1
2 1 2 0 0 0
4 2 1 1 0 2
6 2 2 2 1 5
8 4 11 2 2 5
20 326 468 158 78 506
60 3 . 4 × 1 0 8 4 . 9 × 1 0 8 1 . 7 × 1 0 8 8 . 5 × 1 0 7 5 . 3 × 1 0 8
100 3 . 6 × 1 0 1 4 5 . 2 × 1 0 1 4 1 . 8 × 1 0 1 4 8 . 9 × 1 0 1 3 5 . 5 × 1 0 1 4

Total 7 . 1 × 1 0 1 4 1 . 0 × 1 0 1 5 3 . 6 × 1 0 1 4 1 . 8 × 1 0 1 4 1 . 1 × 1 0 1 5