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Table 3 Convergence thresholds of 3GGP2 3D TCs over Rayleigh fading channel and comparison with Gaussian channel

From: A survey of three-dimensional turbo codes and recent performance enhancements

  R = 1 3 R = 1 2 R = 2 3 R = 4 5
Gaussian channel Classical TC −0.07 dB 0.60 dB 1.49 dB 2.44 dB
  3D TC ( λ = 1 8 ) 0.08 dB 0.73 dB 1.55 dB 2.45 dB
  Loss in convergence threshold 0.15 dB 0.13 dB 0.06 dB 0.01 dB
Rayleigh fading channel Classical TC 1.83 dB 2.54 dB 2.45 dB 4.42 dB
  3D TC ( λ = 1 8 ) 2.08 dB 2.73 dB 2.55 dB 4.45 dB
  Loss in convergence threshold 0.25 dB 0.19 dB 0.10 dB 0.03 dB