Table 2 The physical parameters of the two-way communication.
Parameter | Fibre | FSO | 5G Wireless | ||
|---|---|---|---|---|---|
Descriptions | • 1545.62 nm (DFB LD centre wavelength) • 25 km SMF • 6 dBm transmission loss | • 1 km FSO Link • 2.2 dB Link Loss • Doublet Lens concave lens + convex lens 50.8 mm (diameter) 150 mm (focal length) | Signal format | HA | PTFE Lens |
Downstream • 10-Gbps/38-GHz 5 G MMW • 1-Gbps/4.4-GHz 5G Sub-6 GHz | Downstream • 26.5–40 GHz 25 dBi gain Ka-band HA • 4.4-5.1 GHz 15 dBi gain flat-panel antenna | • 4” (diameter) • 151.5 mm (focal length) | |||
Upstream • 10-Gbps/26-GHz 5 G MMW • 1-Gbps/3.7-GHz 5 G Sub-6 GHz | Upstream • 18–26.5 GHz 20 dBi gain K-band HA • 3.3–3.8 GHz 17 dBi gain flat-panel antenna | ||||