Research Article

Performance Analysis of Parameter Estimator Based on Closed-Form Newton Method for Ultrawideband Positioning

Table 2

The statistical results of convergence property.

MethodStatisticsTest 1Test 2Test 3Test 4

Gauss–NewtonConvergence rate1.0000.9501.0000.950
Average iterations3.3703.8493.2636.179
Closed-form NewtonConvergence rate1.0001.0001.0001.000
Average iterations2.3504.8073.6763.568