From: Design and implementation of a smart elderly positioning management system based on wireless communication network
Time node
1
2
3
4
5
6
7
8
9
10
Error value
0.98
0.97
0.58
0.50
0.89
0.51
0.62
0.24
0.61
0.32
11
12
13
14
15
16
17
18
19
20
1.25
1.23
1.01
0.99
0.76
1.18
1.22
0.66
0.71
0.65