at rl = 0.6 and rl = 0.7, both S1 and S2 perform better than
S3 and S4. This happens because, unlike S1 and S2, each of
S3 and S4 includes degree-5 and degree-10 VNs and results
in a higher number of dead CNs [1]. However, at rl = 0.8,
S2 gives the worst result. This is because of the higher value
of the threshold (3.29) for the optimized recoverable pattern
in Table II compared to the threshold (2.37) for the optimum
distribution in [3], [4]. Although S1 has the same threshold
(3.29) as that for S2, it yields the best SER performance as all
the punctured VNs are from GR.
at rl = 0.6 and rl = 0.7, both S1 and S2 perform better thanS3 and S4. This happens because, unlike S1 and S2, each ofS3 and S4 includes degree-5 and degree-10 VNs and resultsin a higher number of dead CNs [1]. However, at rl = 0.8,S2 gives the worst result. This is because of the higher valueof the threshold (3.29) for the optimized recoverable patternin Table II compared to the threshold (2.37) for the optimumdistribution in [3], [4]. Although S1 has the same threshold(3.29) as that for S2, it yields the best SER performance as allthe punctured VNs are from GR.
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