Table 2 Link budget parameters of the PR using satellite signals.
| Â | Parameter | Iridium II | Starlink | GPS | DVB-S |
|---|---|---|---|---|---|
Opportunity source | \({\text{EIRP}}/{\text{dBW}}\) | 28 | 22 | 24 | 51.7 |
\(R_{0} /{\text{km}}\) | 780 | 330 | 20,200 | 36,000 | |
\(f/{\text{GHz}}\) | 1.626 | 11.7 | 1.56 | 12 | |
Receive system | \(G/{\text{dB}}\) | 25 | 30 | 25 | 30 |
\(K/J/\deg\) | 1.38 × 10–23 | 1.38 × 10–23 | 1.38 × 10–23 | 1.38 × 10–23 | |
\(T/{\text{K}}\) | 290 | 290 | 290 | 290 | |
\(B/{\text{MHz}}\) | 0.0315 | 250 | 10.23 | 36 | |
\(F/{\text{dB}}\) | 3 | 3 | 3 | 3 | |
\({\text{Loss}}/{\text{dB}}\) | 5 | 5 | 5 | 5 | |
\(T_{{\text{int}}} /{\text{s}}\) | 0 ~ 2 | 0 ~ 2 | 0 ~ 2 | 0 ~ 2 | |
\({\text{SNR}}_{{{\text{min}}}} /{\text{dB}}\) | 8.2 | 8.2 | 8.2 | 8.2 | |
Target | \(\sigma /{\text{m}}^{{2}}\) | 10/50/100 | 10/50/100 | 10/50/100 | 10/50/100 |