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Wireless Power Transfer in Sensor Networks with Adaptive, Limited Knowledge Protocols

  • Constantinos Marios AngelopoulosEmail author
  • Sotiris Nikoletseas
  • Theofanis P. Raptis
Chapter

Abstract

In this chapter, we investigate the problem of efficient wireless power transfer 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 other approaches, we envision methods that are distributed, adaptive and use limited network information. We propose three new, alternative protocols for efficient charging, addressing key issues which we identify, most notably (i) to what extent each sensor should be charged (ii) what is the best split of the total energy between the charger and the sensors and (iii) what are good trajectories the Mobile Charger 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. We conduct detailed simulations in uniform and non-uniform network deployments, using three different underlying routing protocol families. In most cases, both our charging protocols significantly 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.

Keywords

Sensor Network Sensor Node Mobile Charger Wireless Power Transfer Alive Node 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Constantinos Marios Angelopoulos
    • 1
    Email author
  • Sotiris Nikoletseas
    • 2
  • Theofanis P. Raptis
    • 2
    • 3
  1. 1.Bournemouth UniversityBournemouthUK
  2. 2.Department of Computer Engineering and InformaticsUniversity of Patras and Computer Technology Institute and Press “Diophantus” (CTI)PatrasGreece
  3. 3.Institute of Informatics and TelematicsNational Research CouncilPisaItaly

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