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Table 2 Normalized complexity (with respect to CP-OFDM) for N = 60 and 300. Note that P-OFDM represents SP-OFDM, PP-OFDM, or PMix-OFDM and W/F-P-OFDM represents W/F-SP-OFDM, W/F-PP-OFDM, or W/F-PMix-OFDM

From: Practical designs for out-of-band emission suppression and adjacent channel interference rejection for orthogonal frequency division multiplexing-based cognitive radios

L = 1024 N = 60 N = 300
CP-OFDM   1 1
P-OFDM R = 3 or R = 6 3.85 (R = 3) 69.48 (R = 6)
R = 6 or R = 12 3.75 (R = 6) 68.55 (R = 12)1
34.74 (R = 12)2
23.47 (R = 12)3
W-OFDM β tx = β rx = 24/L 1.01 1.01
β tx = β rx = 48/L 1.01 1.01
F-OFDM α tx = α rx = 18/L 6.24 5.91.
α tx = α rx = 35/L 11.18 10.55
F-P-OFDM R = 3 or 6, α tx = α rx = 18/L 9.08 (R = 3) 74.39 (R = 6)
W-P-OFDM R = 3 or 6, β tx = β rx = 24/L 3.85 (R = 3) 69.48 (R = 6)