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EEWNSN: Energy Efficient Wireless Nano Sensor Network MAC Protocol for Communications in the Terahertz Band

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Abstract

Wireless Nano Sensor Networks (WNSNs) are a dense deployment of nano sensors that communicate through electromagnetic waves over the Terahertz band (0.1–10 THz). The extreme energy, processing power and memory capacity limitation of nano-scale devices and the peculiarities of high operating frequency introduce the requirement to design novel communication paradigm and light MAC protocols for WNSNs. In this paper, we present a new Energy Efficient Wireless Nano Sensor Network MAC protocol (EEWNSN-MAC) for mobile multi-hop wireless nanonetworks. The proposed protocol takes advantage of the clustering mechanism and TDMA scheduling scheme to alleviate the mobility effects and transmission collisions. We evaluate performance of the EEWNSN-MAC protocol compared with a similar previously proposed nano-MAC protocol called “Smart-MAC”. For this purpose, we utilize a new NS-3 simulator module named nano-sim. This evaluation is done for three critical metrics in WNSN, namely, the total energy that is consumed per sent/received packet on the network, the packet loss ratio (PLR) and scalability. Finally, the simulation results demonstrate that the EEWNSN-MAC protocol improves the network performance in terms of energy consumption and PLR and it is more scalable compared to the “Smart-MAC” algorithm.

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Notes

  1. Carrier Sense Multiple Access.

  2. Time Spread On-Off Keying.

  3. Time Division Multiple Access.

  4. Rate Division Time Spread On-Off Keying.

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Authors and Affiliations

  1. Department of Computer Engineering and Information Technology, Shiraz University of Technology, Shiraz, 71555-313, Iran

    Negar Rikhtegar & Manijeh Keshtgari

  2. Department of Bioengineering, Clemson University, Clemson, SC, 29634, USA

    Zahra Ronaghi

Authors
  1. Negar Rikhtegar
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  2. Manijeh Keshtgari
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  3. Zahra Ronaghi
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Correspondence to Negar Rikhtegar.

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Rikhtegar, N., Keshtgari, M. & Ronaghi, Z. EEWNSN: Energy Efficient Wireless Nano Sensor Network MAC Protocol for Communications in the Terahertz Band. Wireless Pers Commun 97, 521–537 (2017). https://doi.org/10.1007/s11277-017-4517-4

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  • DOI: https://doi.org/10.1007/s11277-017-4517-4

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