Research Article
Optimal Low-Power Design of a Multicell Multiuser Massive MIMO System at 3.7 GHz for 5G Wireless Networks
Table 5
Scaling exponents for digital subcomponents.
| Subcomponent | BW | S.E. | Ant. | Load | Streaming | Q |
| Filtering | 1 | 0 | 1 | 0 | 0 | 1.2 | Up/Downsampling | 1 | 0 | 1 | 0 | 0 | 1.2 | FFT/IFFT | 1.2 | 0 | 1 | 0 | 0 | 1.2 | MIMO precoding | 1 | 0 | 1 | 1 | 1 | 1.2 | Synchronization | 0 | 0 | 1 | 0 | 0 | 1.2 | Channel estimation | 1 | 0 | 1 | 0.5 | 1 | 1.2 | OFDM Mod/Demod | 1 | 0 | 1 | 0.5 | 0 | 1.2 | Mapping/Demapping | 1 | 1.5 | 0 | 1 | 1 | 1.2 | Channel coding | 1 | 1 | 0 | 1 | 1 | 1.2 | Control | 0 | 0 | 0.5 | 0 | 0.2 | 0.2 | Network | 1 | 1 | 0 | 1 | 0 | 0 |
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