Design and implementation of a generic energy-harvesting framework applied to the evaluation of a large-scale electronic shelf-labeling wireless sensor network

  • Authors:
  • Pieter De Mil;Bart Jooris;Lieven Tytgat;Ruben Catteeuw;Ingrid Moerman;Piet Demeester;Ad Kamerman

  • Affiliations:
  • Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;Department of Information Technology, Broadband Communication Networks, Ghent University, Gent, Belgium;GreenPeak Technologies, Utrecht, The Netherlands

  • Venue:
  • EURASIP Journal on Wireless Communications and Networking - Special issue on design, implementation, and evaluation of wireless sensor network systems
  • Year:
  • 2010

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Abstract

Most wireless sensor networks (WSNs) consist of battery-powered nodes and are limited to hundreds of nodes. Battery replacement is a very costly operation and a key factor in limiting successful large-scale deployments. The recent advances in both energy harvesters and low-power communication systems hold promise for deploying large-scale wireless green-powered sensor networks (WGSNs). This will enable new applications and will eliminate environmentally unfriendly battery disposal. This paper explores the use of energy harvesters to scavenge power for nodes in a WSN. The design and implementation of a generic energy-harvesting framework, suited for a WSN simulator as well as a real-life testbed, are proposed. These frameworks are used to evaluate whether a carrier sense multiple access with collision avoidance scheme is sufficiently reliable for use in emerging large-scale energy harvesting electronic shelf label (EHESL) systems (i.e., 12000 labels in a star topology). Both the simulator and testbed experiments yielded an average success rate up to 92%, with an arrival rate of 40 transceive cycles per second. We have demonstrated that our generic energy-harvesting framework is useful for WGSN research because the simulator allowed us to verify the achieved results on the real-life testbed and vice versa.