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Figure 6 | EURASIP Journal on Wireless Communications and Networking

Figure 6

From: Bit Level Synchronized MAC Protocol for Multireader RFID Networks

Figure 6

Working example of BLSync Protocol. The lower part of figure shows the layout of readers and tags within the read range of each. The upper part shows in detail the progression of BLSync over multiple rounds. In each round, all readers send a common query of bits and await responses over a frame of time slots. In each round, the query bits of all readers are the same. All tags are read after a total of 3 rounds of querying requiring 8-tag response time slots (4,2,2 in those rounds) in all.

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