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Open AccessArticle

Slot Self-Allocation Based MAC Protocol for Energy Harvesting Nano-Networks

College of Computer Science and Technology Zhejiang University of Technology, Hangzhou 310023, China
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Sensors 2019, 19(21), 4646; https://doi.org/10.3390/s19214646
Received: 12 September 2019 / Revised: 23 October 2019 / Accepted: 23 October 2019 / Published: 25 October 2019
(This article belongs to the Section Sensor Networks)
Nano-networks are composed of interconnected nano-nodes and can enable unprecedented applications in various fields. Due to the peculiarities of nano-networks, such as high density, extremely limited energy and computational resources, traditional carrier-sensing based Media Access Control (MAC) protocols are not suitable for nano-networks. In this paper, a Slot Self-Allocation based MAC protocol (SSA-MAC) is proposed for energy harvesting nano-networks. Two transmission schemes for centralized and distributed nano-networks are designed, respectively. In centralized nano-networks, nano-nodes can only send packets to the nano-controller in their Self-Allocation Slots (SASs), while, in distributed nano-networks, nano-nodes can only receive packets from surrounding nano-nodes in their SASs. Extensive simulations were conducted to compare the proposed SSA-MAC with PHysical LAyer aware MAC (PHLAME), Receiver-Initiated Harvesting-aware MAC (RIH-MAC) and Energy Efficient Wireless NanoSensor Network MAC (EEWNSN). From the results, it can be concluded that the proposed SSA-MAC achieves better performance and can reduce the collision probability, while improving the energy efficiency of nano-networks. View Full-Text
Keywords: nano-networks; energy harvesting; self-allocation; MAC protocol; terahertz communications nano-networks; energy harvesting; self-allocation; MAC protocol; terahertz communications
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MDPI and ACS Style

Wang, W.-L.; Wang, C.-C.; Yao, X.-W. Slot Self-Allocation Based MAC Protocol for Energy Harvesting Nano-Networks. Sensors 2019, 19, 4646. https://doi.org/10.3390/s19214646

AMA Style

Wang W-L, Wang C-C, Yao X-W. Slot Self-Allocation Based MAC Protocol for Energy Harvesting Nano-Networks. Sensors. 2019; 19(21):4646. https://doi.org/10.3390/s19214646

Chicago/Turabian Style

Wang, Wan-Liang; Wang, Chao-Chao; Yao, Xin-Wei. 2019. "Slot Self-Allocation Based MAC Protocol for Energy Harvesting Nano-Networks" Sensors 19, no. 21: 4646. https://doi.org/10.3390/s19214646

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