Abstract

In order to solve outdoor positioning problems, a global positioning system (GPS) seems to be the best solution. However, GPS is unable to accurately and precisely locate objects or humans indoors. Thus, in this paper, we propose an efficient method for localization and position estimation for mobile robot navigation using passive radio-frequency identification (RFID). With our method, it is possible to accurately locate autonomous entities such as robots and people within a defined area. In simulations, we use PID controllers to increase the efficiency of captured RFID tags. Experiment results show that the number of captured RFID tags using our proposed method is greater than that of the fixed power level method.

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