An Improved Adaptive Simulated Annealing Particle Swarm Optimization Algorithm for ARAIM Availability

Table 1

ISM parameters setting.

Parameters	Definition	Setting
PHMI	Total integrity budget	9.8e − 7
P fa	Continuity budget allocated to disruptions because of false alert	4e − 6
VAL	Vertical alert limit	35 m
EMT	Effective monitoring threshold	15 m
Constellation	Navigation constellations	GPS/BDS
P sat	Priori failure probability of satellites	1e − 4
P const	Priori failure probability of constellations	1e − 5