Journals
Publish with us
Publishing partnerships
About us
Blog
Mobile Information Systems
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mobile Information Systems
/
2016
/
Article
/
Tab 2
/
Research Article
An Indoor Ultrasonic Positioning System Based on TOA for Internet of Things
Table 2
Coordinate STD versus range estimate STD (cm).
Range estimate STD
1
2
5
10
estimate STD
2.2
4.2
10.2
21.9
estimate STD
2.7
5.4
13.3
28.3