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Table 4 Comparison of systematic polar encoders

From: An optimized encoding algorithm for systematic polar codes

Algorithm Recursion Memory XORs (times) Hardware implementation
Encoder A [10] No N(1 + log2N) (N2 + N)(n2 + n)/2 Yes
Encoder B [10] Yes 2 N− 1 N(1 + log2N) No
Encoder C [10] Yes N N(1 + 2log2N) No
NSPC [10] Yes/No 2 N (Nlog2N)/2 No
SPC [11] No N N(N2 + N)/2 Yes
Our OEA No N NK − K 2 − N + K Yes