Table 2 Degree profiles for LDPC codes used in Figure 14
From: Distributed joint source-channel code design for GMAC using irregular LDPC codes
Code rate R c | |||
|---|---|---|---|
0.3 | 0.5 | 0.6 | |
ρ(x) | 0.3x7+0.7x8 | 0.3x7+0.7x8 | 0.29x7+0.71x8 |
0.145x+0.231x2 | 0.308x+0.282x2 | 0.398x+0.321x2 | |
λ(x) | +0.154x3+0.086x5 | +0.121x3+0.176x6 | 0.021x3+0.179x4 |
+0.055x11+0.329x48 | +0.021x22++0.092x48 | +0.032x40++0.049x48 | |