Recharging wireless sensor networks using drones and wireless power transfer

Christelle Caillouet 1 Tahiry Razafindralambo 2 Dimitrios Zorbas 3
1 COATI - Combinatorics, Optimization and Algorithms for Telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : In this paper, we tackle the optimal energy replenishment problem (OERP) using a given number of flying drones, in order to efficiently recharge wireless sensor nodes. We present a linear program that maximizes the amount of harvested energy to the sensors. We show that the model is solved to optimality in a few seconds for sensor networks with up to 50 nodes. The small number of available drones is shown to be optimally deployed at low altitude in order to efficiently recharge the batteries of at least half of the sensor nodes.
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Christelle Caillouet, Tahiry Razafindralambo, Dimitrios Zorbas. Recharging wireless sensor networks using drones and wireless power transfer. 29th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2018) Recent Results track, Sep 2018, Bologne, Italy. ⟨hal-01850446⟩

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