User Localization in Complex Environments by Multimodal Combination of GPS, WiFi, RFID, and Pedometer Technologies

Table 1

Multimodal and WiFi-only localization error comparison.

	Average error (m)	Maximal error (m)	Error at reliability of 90% (m)
Multimodal	2.18	6.62	4.07
WiFi only	9.99	23.84	18.44