This paper describes a novel approach of autonomous navigation for a mobile robot based on a passive RFID that will be used in human living environment. Conventional approaches using dead reckoning or landmark are influenced by disturbances such as the light condition and obstacles, while the proposed method can obtain environmental information more reliably and robustly with the RFID system. The proposed method estimates not only the position but also its current orientation without other sensors by using the detected sequential IC tag information. We examined that the robot reaches to the goal utilizing only the position information but not the orientation information.
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