GRIPS Generic Radio based Indoor Positioning System
نویسندگان
چکیده
GRIPS (Generic Radio based Indoor Positioning System) is an indoor radio signal strength based positioning system. In order to track, locate and inform mobile users, GRIPS’ devices participate in WLAN/Bluetooth ad-hoc or access-point based wireless networks. Apart from its ability to track passive devices, it is possible to deploy the system in a spontaneous adhoc manner. With the help of cheap, active UHF RFIDs, the overall accuracy of GRIPS becomes an adjustable parameter. Location based information can be triggered, independently, simply by reading data, stored on RFIDs, but also by providing extended services via the WLAN/Bluetooth network link. In order to realize both, proximity measurements as well as continuous tracking we explored the feasibility of three light weight positioning algorithms, namely the mass spring model, atomic multilateration as well as Kalman-filter enhanced atomic multilateration.
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تاریخ انتشار 2005