Table 4 The ’complexity’ of the proposed schemes and their constituent schemes
From: Out-of-band emission suppression techniques based on a generalized OFDM framework
| Â | Complexity, the number of real multiplications per symbol at the transmitter | Complexity with the parameters used in Figures2,3,6,7,8, and9 |
|---|---|---|
Original | F log2F - 3 F + 4 | 7,172 |
SVD precoding, spectral precoding, hybrid A | F log2F - 3 F + 4 + 4NK | 261,124 |
N-continuous symbol mapping | F log2F - 3 F + 4 + 8NN | 531,460 |
Hybrid B | F log2F - 3 F + 4 + 4NN + 4NK | 523,268 |
Filtering | F log2F - 3 F + 4 + FL p  + (F + LCP)L p | 91,972 |
Hybrid C | F log2F - 3 F + 4 + FL p  + (F + LCP)L p  + 4NK | 303,524 |