Design Considerations for Next Generation Wireless Power-Aware Microsensor Nodes

  • Authors:
  • David D. Wentzloff;Benton H. Calhoun;Rex Min;Alice Wang;Nathan Ickes;Anantha P. Chandrakasan

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • VLSID '04 Proceedings of the 17th International Conference on VLSI Design
  • Year:
  • 2004

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Abstract

In order to break the 100 µW average power barrierof a wireless microsensor node, aggressive design methodologiesneed to be developed. Dynamic voltage scalingshould be more aggressive, reaching subthreshold operation,and knobs should be available for adapting hardwarebit-precision and latency. Since the nodes operate ina sleep state most of the time, standby leakage currentsmust be reduced and the power supply voltage regulatedto a near-optimum value. This paper presents insight andsimulation/experimental results addressing some of thechallenges of designing next generation wireless microsensornodes.