An Availability-Aware Adaptive Hybrid Localisation Framework with Structurally Invariant Decision Logic for GPS-Degraded Emergency Environments
Pedestrian localisation in emergency environments is challenged by degraded Global Positioning System (GPS) availability, mobile-anchor uncertainty, radio-frequency interference, non-line-of-sight distortion, and inertial drift. Reporting only valid-estimate error may conceal localisation outages and recovery burden. T...