research unit 1

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Type of publication:Inproceedings
Entered by:chita
TitleAdaptive, limited knowledge wireless recharging in sensor networks
Bibtex cite IDRACTI-RU1-2013-24
Year published 2013
Pages 65-72
Organization MOBIWAC 2013
We investigate the problem of ecient wireless energy recharging in Wireless Rechargeable Sensor Networks (WRSNs). In such networks a special mobile entity (called the Mobile Charger) traverses the network and wirelessly replenishes the energy of sensor nodes. In contrast to most current approaches, we envision methods that are distributed, adaptive and use limited network information. We propose three new, alternative protocols for ecient recharging, addressing key issues which we identify, most notably (i) to what extent each sensor should be recharged (ii) what is the best split of the total energy between the charger and the sensors and (iii) what are good trajectories the MC should follow. One of our protocols ( LRP ) performs some distributed, limited sampling of the network status, while another one ( RTP ) reactively adapts to energy shortage alerts judiciously spread in the network. As detailed simulations demonstrate, both protocols signi cantly outperform known state of the art methods, while their performance gets quite close to the performance of the global knowledge method ( GKP ) we also provide, especially in heterogeneous network deployments.
Angelopoulos, Constantinos Marios
Nikoletseas, Sotiris
Raptis, Theofanis
2013-raptis-mobiwac.pdf (main file)
Publication ID1004