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Efficient and Reliable MAC-Layer Broadcast for IEEE 802.15.4 Wireless Sensor Networks

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Academic year: 2021

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Figure

Fig. 1. Superframe structure of IEEE 802.15.4
Fig. 2. The different topologies proposed in IEEE 802.15.4
Fig. 3. Collision Probability during the Beacon Only Period
Fig. 4. Overhead for BOP and CBOP
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