An Improved Reader Anti-Collision Algorithm Based on Pulse Protocol With Slot Occupied Probability in Dense Reader Mode

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Executive Summary

Radio Frequency IDentification (RFID) system is a contactless automatic identification system, which comprises readers and tags. In RFID systems, a reader collision occurs when the communication between one reader and the tags is interfered by the signals from other readers. The reader collision problem is considered as the fundamental problem affecting high density RFID reader installations. In this paper, the authors analyze the conventional reader anti-collision algorithms. They also propose a pulse protocol-based reader anti-collision algorithm using slot occupied probability.

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