Characterization of wireless smart sensor performance

Lauren E. Linderman, J. A. Rice, Suhail Barot, B. F. Spencer, J. T. Bernhard

Research output: Contribution to journalArticle

Abstract

A critical aspect of using wireless sensors for structural health monitoring is communication performance. Unlike wired systems, data transfer is less reliable between wireless sensor nodes owing to data loss. While reliable communication protocols are typically used to reduce data loss, this increase in communication can drain already limited power resources. This paper provides an experimental investigation of the wireless communication characteristics of the Imote2 smart sensor platform; the presentation is tailored toward the end user, e.g., application engineers and researchers. Following a qualitative discussion of wireless communication and packet delivery, a quantitative characterization of wireless communication capabilities of the Imote2 platform, including an assessment of onboard and external antenna performance, is provided. Herein, the external antenna was found to significantly outperform the onboard antenna in both transmission and reception reliability. However, the built environment, including building materials and other wireless networks, can significantly reduce reception rate and thus increase packet loss. Finally, implications of these results for a full-scale implementation are presented.

Original languageEnglish (US)
Pages (from-to)1435-1443
Number of pages9
JournalJournal of Engineering Mechanics
Volume136
Issue number12
DOIs
StatePublished - Apr 1 2010

Fingerprint

Smart sensors
Communication
Antennas
Structural health monitoring
Data transfer
Packet loss
Sensor nodes
Wireless networks
Network protocols
Engineers
Sensors

Keywords

  • Antennas
  • Communication
  • Monitoring
  • Probe instruments
  • Structural reliability

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Characterization of wireless smart sensor performance. / Linderman, Lauren E.; Rice, J. A.; Barot, Suhail; Spencer, B. F.; Bernhard, J. T.

In: Journal of Engineering Mechanics, Vol. 136, No. 12, 01.04.2010, p. 1435-1443.

Research output: Contribution to journalArticle

Linderman, Lauren E. ; Rice, J. A. ; Barot, Suhail ; Spencer, B. F. ; Bernhard, J. T. / Characterization of wireless smart sensor performance. In: Journal of Engineering Mechanics. 2010 ; Vol. 136, No. 12. pp. 1435-1443.
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