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Demo: Capacitor leakage aware duty cycle control for energy harvesting wireless sensor networks

Published: 01 November 2011 Publication History

Abstract

Energy harvesting technology is one of the key technologies for the long-term operation of wireless sensor networks. However, power supply from such energy harvesting sources is not as stable as batteries. In order to compensate for the spatial and temporal variations of the energy harvesting sources, an energy storage device is used. Rechargeable batteries are commonly used in wireless sensor nodes. However, batteries can be charged and discharged for only a limited number of cycles. When the harvested energy is small, capacitors are better suited for energy storage because they can be charged and discharged quickly and efficiently. Moreover, the charge-discharge capability of capacitors does not degrade. The only critical problem of capacitors is that their energy leakage is too large to ignore. In this paper, we propose a capacitor leakage aware duty cycle control for energy harvesting wireless sensor networks. Our proposed method focuses on capacitor leakage reduction, which must be considered in a capacitor driven system but has not been considered to date. Our method maximizes the energy usage without degrading system availability by applying optimal control using multiple evaluations of the energy neutral operation and capacitor leakage.

References

[1]
H. Nishimoto, Y. Kawahara, and T. Asami: Prototype implementation of wireless sensor network using TV broadcast RF energy harvesting. Adjunct Proceeding of 12th ACM Ubicomp '10,pp.373--374, Copenhagen, Denmark, Sep. 2010
[2]
A. Kansal, J. Hsu, S. Zahedi, and M. B. Srivastava: Power management in energy harvesting sensor networks. ACM Trans. Embedded Computing Systems, vol.6, no.4, article 32, Sep. 2007
[3]
C. M. Vigorito, D. Ganesan, and A. G. Barto: Adaptive control of duty cycling in energy-harvesting wireless sensor networks. Proc. IEEE SECON 2007, pp. 21--30, San Diego, CA, June. 2007

Cited By

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  • (2014)Power allocation for a hybrid energy harvesting relay system with imperfect channel and energy state information2014 IEEE Wireless Communications and Networking Conference (WCNC)10.1109/WCNC.2014.6952243(990-995)Online publication date: Apr-2014
  • (2014)LEB-MAC: Load and energy balancing MAC protocol for energy harvesting powered wireless sensor networks2014 20th IEEE International Conference on Parallel and Distributed Systems (ICPADS)10.1109/PADSW.2014.7097857(584-591)Online publication date: Dec-2014
  • (2013)Ambient RF Energy Harvesting Sensor Device With Capacitor-Leakage-Aware Duty Cycle ControlIEEE Sensors Journal10.1109/JSEN.2013.226493113:8(2973-2983)Online publication date: Aug-2013
  • Show More Cited By
  1. Demo: Capacitor leakage aware duty cycle control for energy harvesting wireless sensor networks

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    Published In

    cover image ACM Conferences
    SenSys '11: Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
    November 2011
    452 pages
    ISBN:9781450307185
    DOI:10.1145/2070942

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 01 November 2011

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    Author Tags

    1. capacitor
    2. energy harvesting
    3. leakage
    4. networks

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    Overall Acceptance Rate 174 of 867 submissions, 20%

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    View all
    • (2014)Power allocation for a hybrid energy harvesting relay system with imperfect channel and energy state information2014 IEEE Wireless Communications and Networking Conference (WCNC)10.1109/WCNC.2014.6952243(990-995)Online publication date: Apr-2014
    • (2014)LEB-MAC: Load and energy balancing MAC protocol for energy harvesting powered wireless sensor networks2014 20th IEEE International Conference on Parallel and Distributed Systems (ICPADS)10.1109/PADSW.2014.7097857(584-591)Online publication date: Dec-2014
    • (2013)Ambient RF Energy Harvesting Sensor Device With Capacitor-Leakage-Aware Duty Cycle ControlIEEE Sensors Journal10.1109/JSEN.2013.226493113:8(2973-2983)Online publication date: Aug-2013
    • (2013)Optimal resource allocation for energy harvesting two-way relay systems with channel uncertainty2013 IEEE Global Conference on Signal and Information Processing10.1109/GlobalSIP.2013.6736886(345-348)Online publication date: Dec-2013
    • (2012)Ambient-RF-energy-harvesting sensor node with capacitor-leakage-aware duty cycle control2012 IEEE Sensors10.1109/ICSENS.2012.6411341(1-4)Online publication date: Oct-2012

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