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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