A Cooperative Clustering Protocol With Duty Cycling for Energy Harvesting Enabled Wireless Sensor Networks

Mohammed Bahbahani, Emad Alsusa

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    Abstract

    This paper proposes a cooperative clustering protocol
    based on the low energy adaptive clustering hierarchy
    (LEACH) approach to enhance the longevity of energy harvesting
    based wireless sensor networks (EH-WSN). In the proposed
    protocol, to ensure that any energy consumption associated with
    the role of the cluster head (CH) is shared between the nodes,
    the CH role is alternated between the nodes using duty cycling
    as a function of their individual energy harvesting capabilities.
    Furthermore, to maintain an energy neutral operation when
    not acting as a CH, the nodes adopt a data transmission duty
    cycle and any excess energy is invested in relaying other nodes’
    packets. To optimize the relaying performance, a novel crosslayer
    cooperative TDMA scheme is also presented. The optimal
    number of clusters in an EH-WSN is analyzed in terms of
    energy consumption, latency and bandwidth utilization. Simulations,
    performed using GreenCastalia, demonstrate tangible
    performance enhancements in adopting the proposed protocol
    over benchmark schemes in terms of throughput and lifetime,
    particularly under highly constrained energy conditions.
    Original languageEnglish
    Pages (from-to)1
    Number of pages11
    JournalIEEE Transactions on Wireless Communications
    DOIs
    Publication statusPublished - 17 Oct 2017

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