Radio Frequency Identification has gained increasing popularity in the logistic sector as a tool to locate and track individual items throughout complex processes. A characteristic of RFID systems is that both read events and business processes can be subjected to uncertainties. In this work we present a novel modeling approach for RFID processes and supply chains. The proposed model considers typical trajectories of tags through a business process and can be used to improve the detection performance of individual RFID gates. Consequently, this improves the robustness of the overall RFID system.
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