Research Article
An Improved Adaptive Simulated Annealing Particle Swarm Optimization Algorithm for ARAIM Availability
Table 2
ICAO navigation performance requirements for each approach phase.
| | Phase | Precision (95%) | Alarm limit | Continuity | Availability |
| | NPA | 220 m (H) | 550 m (H) | 1 × 10–4/h | 0.99 | | N/A (V) | N/A (V) | 1 × 10–8/h | 0.99999 |
| | APV-I | 16 m (H) | 40 m (H) | 8 × 10–6/15 s | 0.99 | | 20 m (V) | 50 m (V) | 0.9999 |
| | APV-II | 16 m (H) | 40 m (H) | 8 × 10–6/15 s | 0.99 | | 8 m (V) | 20 m (V) | 0.99999 |
| | LPV-200 | 16 m (H) | 40 m (H) | 8 × 10–6/15 s | 0.99 | | 4 m (V) | 35 m (V) | 0.99999 |
| | CAT-I | 16 m (H) | 40 m (H) | 8 × 10–6/15 s | 0.99 | | 4∼6 m (V) | 10 m (V) | 0.99999 |
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