From: A survey of three-dimensional turbo codes and recent performance enhancements
R = 1 3
R = 1 2
R = 2 3
R = 4 5
λ = 1 4
0.19 dB
0.82 dB
1.67 dB
2.58 dB
λ = 1 8
0.08 dB
0.73 dB
1.55 dB
2.45 dB
λ = 0
−0.07 dB
0.60 dB
1.49 dB
2.44 dB