Energy-efficient communication protocol for wireless microsensor networks

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Energy-efficient communication protocol for wireless microsensor networks (2000)

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by Wendi Rabiner Heinzelman , Anantha Chandrakasan , Hari Balakrishnan

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2103 - 10 self

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@INPROCEEDINGS{Heinzelman00energy-efficientcommunication,
    author = {Wendi Rabiner Heinzelman and Anantha Chandrakasan and Hari Balakrishnan},
    title = {Energy-efficient communication protocol for wireless microsensor networks},
    booktitle = {},
    year = {2000},
    pages = {3005--3014},
    publisher = {}
}

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Abstract

Wireless distributed microsensor systems will enable the reliable monitoring of a variety of environments for both civil and military applications. In this paper, we look at communication protocols, which can have significant impact on the overall energy dissipation of these networks. Based on our findings that the conventional protocols of direct transmission, minimum-transmission-energy, multihop routing, and static clustering may not be optimal for sensor networks, we propose LEACH (Low-Energy Adaptive Clustering Hierarchy), a clustering-based protocol that utilizes randomized rotation of local cluster base stations (cluster-heads) to evenly distribute the energy load among the sensors in the network. LEACH uses localized coordination to enable scalability and robustness for dynamic networks, and incorporates data fusion into the routing protocol to reduce the amount of information that must be transmitted to the base station. Simulations show that LEACH can achieve as much as a factor of 8 reduction in energy dissipation compared with conventional routing protocols. In addition, LEACH is able to distribute energy dissipation evenly throughout the sensors, doubling the useful system lifetime for the networks we simulated.

Keyphrases

wireless microsensor network energy-efficient communication protocol energy dissipation sensor network dynamic network energy load military application overall energy dissipation low-energy adaptive clustering hierarchy useful system lifetime direct transmission multihop routing static clustering significant impact conventional protocol base station microsensor system communication protocol conventional routing protocol data fusion randomized rotation reliable monitoring clustering-based protocol local cluster base station

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