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EURASIP Journal on Wireless Communications and Networking
Fig. 5 | EURASIP Journal on Wireless Communications and Networking

Fig. 5

From: A hybrid MAC protocol for optimal channel allocation in large-scale wireless powered communication networks

Fig. 5

Ratio of SI transfer period to block time according to the number of nodes. Figure 5 shows the effect of the number of nodes to the ratio of the SI transmission period to a block time in the HTT, the AHC, and the proposed H-DHT according to the average probability of generating SI message, Ps, respectively. In the proposed H-DHT protocol, the ratio of SI period to block time increases slightly as the number of nodes increases

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