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

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)