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Multihop Medium Access Control for WSNs: An Energy Analysis Model

Abstract

We present an energy analysis technique applicable to medium access control (MAC) and multihop communications. Furthermore, the technique's application gives insight on using multihop forwarding instead of single-hop communications. Using the technique, we perform an energy analysis of carrier-sense-multiple-access (CSMA-) based MAC protocols with sleeping schemes. Power constraints set by battery operation raise energy efficiency as the prime factor for wireless sensor networks. A detailed energy expenditure analysis of the physical, the link, and the network layers together can provide a basis for developing new energy-efficient wireless sensor networks. The presented technique provides a set of analytical tools for accomplishing this. With those tools, the energy impact of radio, MAC, and topology parameters on the network can be investigated. From the analysis, we extract key parameters of selected MAC protocols and show that some traditional mechanisms, such as binary exponential backoff, have inherent problems.

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Correspondence to Jussi Haapola.

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Haapola, J., Shelby, Z., Pomalaza-Ráez, C. et al. Multihop Medium Access Control for WSNs: An Energy Analysis Model. J Wireless Com Network 2005, 219063 (2005). https://doi.org/10.1155/WCN.2005.523

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Keywords

  • energy efficiency
  • wireless sensor networks
  • medium access control
  • multihop communications