Provided is an apparatus and method for positioning a mobile object by combining Radio Frequency Identification (RFID), Global Positioning System (GPS), and Inertial Navigation System (INS). The apparatus and method can acquire positioning information stably and continuously even when GPS signals are...http://www.google.com/patents/US20050143916?utm_source=gb-gplus-sharePatent US20050143916 - Positioning apparatus and method combining RFID, GPS and INS
