Off-Body Channel Modelling and Network planning at 2.4 GHz for Dairy Cows on Pastures

Said Benaissa, David Plets, Emmeric Tanghe, Leen Verloock, Luc Martens, Nobby Stevens, Jeroen Hoebeke, Bart Sonck, Frank Tuyttens, Leen Vandaele, Wout Joseph

    Onderzoeksoutput: Bijdrage aan congresPaperpeer review

    Uittreksel

    The off-body wireless channel between a node placed on the neck of a dairy cow and an access point on a pasture has been characterized at 2.4 GHz. Both large-scale fading (i.e., path loss) and temporal fading were investigated using ZigBee motes and spectrum analysis equipment. The measured path loss values were well fitted by a one-slope log-normal path loss model. The cow wearing the node increased the path loss by 3 dB and the other cows around had no significant influence. The temporal fading due to the cow movement was well described by Rician distribution with K-factor of 13 dB. Based on the characterization of the off-body wireless channel, a network planning tool was used to design a reliable ZigBee-based WSN for dairy cows. The optimal number and location of the base stations on the pasture were determined and the minimally required transmit power of the sensor nodes were derived.
    Oorspronkelijke taalEngels
    Aantal pagina’s4
    PublicatiestatusGepubliceerd - 2016
    Evenement21st Symposium of the International Society on Biotelemetry - Leuven, België
    Duur: 22-mei-201624-mei-2016

    Symposium

    Symposium21st Symposium of the International Society on Biotelemetry
    Verkorte titelIBC
    Land/RegioBelgië
    StadLeuven
    Periode22/05/1624/05/16

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