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Table 1 Number of flipping function calculations for several (3,6)-regular LDPC codes over AWGN channel at SNR =6 dB

From: Low-complexity decoding of LDPC codes using reduced-set WBF-based algorithms

N L (SB) L (MB) L (upper bound) \(\frac {L}{N}\) (SB) \(\frac {L}{N}\) (MB) \(\frac {L}{N}\) (upper bound)
1000 651 649 736 0.651 0.649 0.736
2640 1743 1738 1943 0.66122 0.65833 0.735984
4000 2645 2640 2820 0.66125 0.66 0.705
4896 3245 3243 3468 0.66278 0.66237 0.708333
8000 5307 5310 5536 0.66337 0.66375 0.692
10000 6652 6649 6845 0.6652 0.6649 0.6845
  1. SB: single-bit, MB: multi-bit