Research and Application of Haar Wavelet Transformation in Train Positioning

Table 1

Simulation parameter settings.

Parameter name	Parameter value
Path loss factor	4
Simulation area	1000 m
Anchor node deployment density	1 m
Anchor node communication radius	50 m
Train speed	30 m/s
Maximum train speed	45 m/s
Minimum number of anchor nodes	3
Test count	50 times
Node communication model	Lognormal shadow model
Scanning wave emission period T	1 s
Linear region train initial position	(0, 0)
Curve region train initial position	(1000, 5000)