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Table 3 Percentages of zero elements in the transformed matrix for our OEA algorithm

From: An optimized encoding algorithm for systematic polar codes

R N = 210 = 1024 N = 211 = 2048 N = 212 = 4096
OEA NSPC (%) SPC (%) NSPC (%) SPC (%) NSPC (%) SPC (%)
0.5 11.8 47.0 10.9 58.5 12.3 49.2
0.75 3.0 16.2 3.0 16.2 3.1 16.4
0.9 0.47 5.2 0.48 5.4 0.49 5.5