1. An implementation of positioning system in indoor environment based on active RFID;Wang,2009
2. Providing location services within a radio cellular network using ellipse propagation model;Zhou,2005
3. Experimental examination of a UWB positioning system with high speed comparators;Kitamura,2007
4. A novel positioning method for WLAN based on propagation modeling;Liu,2010
5. Enhancing accuracy performance of Bluetooth positioning;Son,2007