PerLab TDMA: Time Division Multiple Access  access to channel in rounds  each station gets fixed length slot (length = pkt trans time) in each round - Guaranteed Bandwidth  each station is active only during its own slot, and can sleep during the other slots  unused slots go idle  example: 6-station WSN, 1,3,4 have pkt, slots 2,5,6 idle 1 3 4 1 3 4 6-slot frame TDMA-based MAC Protocols 63
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