Review Article
A Review of 5G Power Amplifier Design at cm-Wave and mm-Wave Frequencies
Table 1
Projected 5G small cells RF
requirements for cm-Wave/mm-Wave frequencies (estimated).
| Cell Type | RF (dBm) | Number of Users | RF Per PA (dBm) | Potential PA Technologies |
| Femtocell | 0–24 | 1 to 20 | <20 | CMOS/SOI, SiGe, GaAs | Picocell | 24–30 | 20 to 100 | <20 | CMOS/SOI, SiGe, GaAs | Microcell | 30–40 | 100 to 1000 | <27 | GaAs, GaN, CMOS/SOI, SiGe | Macrocell | 40–47 | 1000+ | >27 | GaN, GaAs |
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