Research Article

An Analysis of Impact Factors for Positioning Performance in WLAN Fingerprinting Systems Using Ishikawa Diagrams and a Simulation Platform

Table 3

Settings for all the factors of interest (controllable factors) in the OFAT analysis experiment.

Test IDFactorsAPs density (APN)APs distribution (CD (m)/CV)Attenuation factor Signal noise ( (dB))RPs density GID (m)

1APs density (APN)Test factor (1, 20, 1)Open-shape21
2APs distribution (CD (m)/CV)5Test factor (110 different shapes)21
3Attenuation factor Open-shapeTest factor (1, 5.5, 0.5)51
4Signal noise ( (dB))Open-shape2Test factor (1, 15, 1)1
5RPs density GID (m)5Open-shape2Test factor 0.1, 0.2, 0.5, 1, 1.25, 2,  2.5, 5