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Radio Frequency IDentification (RFID) networks are becoming a widespread technology in industry and commerce. In this paper, the authors propose a simple performance analysis of RFID networks, based on the binary tree collision arbitration protocol. They evaluate various network performance metrics such as throughput, delay and average number of packets needed to take a census of the RFID tags. In order to validate their analytical results, they develop a simple, yet accurate, simulator and show that the predicted analytical performance is in good agreement with the simulation results. While the analytical approach does not take into account the communication channel characteristics, they evaluate, through simulations, the impact of fading and topology (in terms of tag spatial density) on the network performance.
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