On the Lifetime of Asynchronous Software-Defined Wireless Sensor Networks

Amitangshu Pal, Alireza Jolfaei

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


In this article, we consider a software-defined wireless sensor network (WSN) architecture which conserves energy by applying asynchronous duty cycling. In asynchronous sensor networks, the overhearing adversely impacts the energy consumption of the nodes. Using a mathematical model, we compute the maximum lifetime of the network and accordingly propose a multichannel operation and transmit power control to reduce the effect of overhearing in asynchronous networks. Our comprehensive test results confirm that for the network with load-aware nonuniform sensor node deployment, the network lifetime is much higher compared to a uniform deployment. We also show that the use of data aggregation software-defined WSNs (SDWSNs) can improve the network lifetime as compared to the data gathering networks.

Original languageEnglish
Pages (from-to)6069-6077
Number of pages9
JournalIEEE Internet of Things Journal
Issue number7
Publication statusPublished - Jul 2020
Externally publishedYes


  • Multichannel routing
  • network lifetime
  • power control
  • software-defined networking
  • wireless sensor networks (WSNs)


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