Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes

Dongsheng Ma, Meiling Wang, Mohankumar N. Somasundaram, Zongqi Hu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

This paper presents an integrated power system for low-power wireless sensor networks with dynamic efficiency optimization technique. By adaptively resizing power transistors and adjusting switching frequency, system efficiency is enhanced significantly. Theoretical analysis is elaborated to support the proposed technique. A prototype integrated power system for self-powered photovoltaic wireless sensing node was designed and simulated with TSMC 0.35μm CMOS process. With a power range of 0.5μW to 10mW, power efficiency stays above 71%. Tolerance between theoretical and simulated optimal power transistor sizes is less than 6.7%, while that of optimal switching frequencies is less than 5%. The paper gives another solution to minimizing system power in the perspective of power processing.

Original languageEnglish (US)
Title of host publicationProceedings of the International Symposium on Low Power Electronics and Design
Pages303-306
Number of pages4
StatePublished - 2005
Event2005 International Symposium on Low Power Electronics and Design - San Diego, CA, United States
Duration: Aug 8 2005Aug 10 2005

Other

Other2005 International Symposium on Low Power Electronics and Design
CountryUnited States
CitySan Diego, CA
Period8/8/058/10/05

Fingerprint

Switching frequency
Wireless sensor networks
Processing
Power transistors

Keywords

  • Charge pump
  • DC-DC converter
  • Dynamic power loss control
  • Power efficiency
  • Wireless sensing node

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ma, D., Wang, M., Somasundaram, M. N., & Hu, Z. (2005). Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes. In Proceedings of the International Symposium on Low Power Electronics and Design (pp. 303-306)

Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes. / Ma, Dongsheng; Wang, Meiling; Somasundaram, Mohankumar N.; Hu, Zongqi.

Proceedings of the International Symposium on Low Power Electronics and Design. 2005. p. 303-306.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ma, D, Wang, M, Somasundaram, MN & Hu, Z 2005, Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes. in Proceedings of the International Symposium on Low Power Electronics and Design. pp. 303-306, 2005 International Symposium on Low Power Electronics and Design, San Diego, CA, United States, 8/8/05.
Ma D, Wang M, Somasundaram MN, Hu Z. Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes. In Proceedings of the International Symposium on Low Power Electronics and Design. 2005. p. 303-306
Ma, Dongsheng ; Wang, Meiling ; Somasundaram, Mohankumar N. ; Hu, Zongqi. / Design and optimization on dynamic power system for self-powered integrated wireless sensing nodes. Proceedings of the International Symposium on Low Power Electronics and Design. 2005. pp. 303-306
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