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EURASIP Journal on Wireless Communications and Networking
Fig. 6 | EURASIP Journal on Wireless Communications and Networking

Fig. 6

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

Fig. 6

Total harvested energy according to the ratio of TDMA period to block time. a shows the total harvested energy for UL WIT according to the ratio of TDMA period to block time. We can see that the total harvested energy decreases according to the increase of the ratio of TDMA period to a block time. In addition, b shows that the harvested energy during CSMA period decreases according to the increase of the ratio of TDMA period to a block time because the sub-WET period decreases

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