A novel anti-collision protocol for energy efficient identification and monitoring in RFID-enhanced WSNs
This paper presents a dynamic framed slotted Aloha (DFSA) protocol that is energy efficient, and more importantly, is the first protocol capable of monitoring tags. Our protocol uses three separate frames: 1) reservation, 2) body, and 3) monitor. The reservation and body frame are used to identify tags, whereas the monitor frame is used to keep track of identified tags. We have performed extensive simulation studies on all three frames, and compared our protocol with existing framed Aloha protocols. From our results, we confirm that our protocol is suitable for use in RFID-enhanced Wireless Sensor Networks (WSNs).
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