Research Article

Efficiency Improvement of Kalman Filter for GNSS/INS through One-Step Prediction of Matrix

Table 4

Statistic values of the position drift error and estimated position standard deviation of standard and simplified GPS/INS algorithms during GPS outages (#MTi-G).

Position drift error (m)Position STD

MeanStandard67.556
Simplified67.306
Degradation (%)−0.37

RMSStandard81.36487.289
Simplified81.10886.856
Degradation (%)−0.31

MaxStandard183.590
Simplified183.423
Degradation (%)−0.09