Abstract
A RFID (Radio-Frequency Identification) system comprises of an arrangement of RFID readers and RFID tags. A RFID system is known for its quick identification of objects to which the RFID tags are attached. RFID system has been used mainly in industries for identifying and tracking important assets. The most essential property of a RFID system is deploying RFID readers to ensure total coverage of all the RFID tags in an area. The total cost of an RFID system relies mostly on the number of readers. Thus, finding an optimal number of readers and their positions to cover all tags is a standout amongst the most vital issues in a RFID system. This paper proposes a simple simulation strategy for optimal RFID reader placement for a system with RFID readers of circular coverage. This simulation is carried with Differential Evolution (DE) algorithm, which has achieved 100% coverage with optimal number of RFID readers. The experimental set up and the results are explained in this paper.
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