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Table 9 (IT + RS) decoding and ML decoding gaps to capacity for irregular uniform distribution (Δ 2) versus regular distribution (Δ 1) of extra-repair symbols for GLDPC-Staircase codes with N1=5 and \(r_{G} = \frac {1}{2}\)

From: GLDPC-Staircase AL-FEC codes: a fundamental study and new results

Decoding type r L E Δ 1 f(%) Δ 2
(IT+RS) \(\frac {1}{2}\) 0 0.062 [0] 0.062
  \(\frac {2}{3}\) 1 0.1057 [25 50 25] 0.0936
  0.75 2 0.1353 [0 50 25 0 25] 0.1126
  0.8 3 0.1557 [5 10 15 20 50] 0.1411
ML \(\frac {1}{2}\) 0 0.0054 [0] 0.0054
  \(\frac {2}{3}\) 1 0.0007 [25 50 25] 0.0007
  0.75 2 0.0001 [0 50 25 0 25] 0.0002
  0.8 3 0.0001 [5 10 15 20 50] 0.0002