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Table 2 Comparison of necessary number of decoding iterations regarding the level of sub-block parallelism for 188 bytes DVB-RCS interleaving code rate = 6/7, SNR = 4.0 dB, Log-MAP algorithm, FER = 1.6×10−3

From: Dynamic configuration management of a multi-standard and multi-mode reconfigurable multi-ASIP architecture for turbo decoding

Sub-block parallelism Number of iterations without shuffled decoding Number of iterations with shuffled decoding Shuffled decoding efficiency
1 8 11 0.72
2 9 11 0.82
4 9 12 0.75
16 13 15 0.86
64 19 23 0.83
128 34 37 0.92