Table 2 Summary of SBAS performance with and without ECDSA and TESLA authentication, for cases with PER = 0 and PER = 1 × 10–3
Items | Results for PER = 0 | Results for PER = 1 × 10–3 | |||
|---|---|---|---|---|---|
No authentication | ECDSA/TESLA | No authentication | ECDSA | TESLA | |
L1-I | |||||
VPE 95% | 2.86 m | 2.90 m | 2.86 m | 2.94 m | 2.93 m |
VPL 99% | 17.37 m | 17.57 m | 17.38 m | 17.93 m | 17.91 m |
Continuity risk | < 8 × 10–6 | < 8 × 10–6 | < 8 × 10–6 | 7.7 × 10–3 | 5.9 × 10–3 |
Availability (PL < AL) | 99.71% | 99.63% | 99.71% | 99.80% | 99.19% |
AER | N/A | 0 | N/A | 0.5% | 0.3% |
L5-I | |||||
VPE 95% | 1.66 m | 1.72 m | 1.66 m | 1.72 m | 1.72 m |
VPL 99% | 9.98 m | 10.33 m | 9.98 m | 10.39 m | 10.43 m |
Continuity risk | < 8 × 10–6 | < 8 × 10–6 | < 8 × 10–6 | 5.8 × 10–3 | 7.1 × 10–3 |
Availability (PL < AL) | 99.89% | 99.85% | 99.89% | 99.17% | 99.45% |
AER | N/A | 0 | N/A | 0.5% | 0.3% |