Table 7 Main GAS Service Performance Indicators
From: Global capabilities of BeiDou Navigation Satellite System
Performance characteristics | Performance indicators | ||||
|---|---|---|---|---|---|
Single- frequency ranging augmentation service | Single carrier phase augmentation service | Dual-frequency carrier phase augmentation service | Dual-frequency carrier phase augmentation service (Network RTK) | BDS/GNSS baseline post-process with accuracy at millimeter level | |
Target system | BDS | BDS | BDS | BDS/GNSS | BDS/GNSS |
Positioning accuracy | Horizontal ≤ 2 m Vertical ≤ 3 m (95%) | Horizontal ≤ 1.2 m Vertical ≤ 2 m (95%) | Horizontal ≤ 0.5 m Vertical ≤ 1 m (95%) | Horizontal ≤ 5 cm Vertical ≤ 10 cm (RMS) | Horizontal ≤ 5 mm + 1×10−6 × D Vertical ≤ 10 mm + 2×10−6 × D (RMS) D means baseline length in km |
Initialization time | Seconds | ≤20 min | ≤40 min | ≤60 s | – |