Measuring in-home walking speed using wall-mounted RF transceiver arrays

Peter Jacobs, Eric A. Wan, Erich Schafermeyer, Fatema Adenwala, Anindya S. Paul, Nick Preiser, Jeffrey Kaye

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

7 Citations (Scopus)

Abstract

In this paper we present a new method for passively measuring walking speed using a small array of radio transceivers positioned on the walls of a hallway within a home. As a person walks between a radio transmitter and a receiver, the received signal strength (RSS) detected by the receiver changes in a repeatable pattern that may be used to estimate walking speed without the need for the person to wear any monitoring device. The transceivers are arranged as an array of 4 with a known distance between the array elements. Walking past the first pair of transceivers will cause a peak followed by a second peak when the person passes the second pair of transceivers. The time difference between these peaks is used to estimate walking speed directly. We further show that it is possible to estimate the walking speed by correlating the shape of the signal using a single pair of transceivers positioned across from each other in a hallway or doorframe. RMSE performance was less than 15 cm/s using a 2-element array, and less than 8 cm/s using a 4-element array relative to a gait mat used for ground truth.

Original languageEnglish (US)
Title of host publication2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages914-917
Number of pages4
ISBN (Print)9781424479290
DOIs
StatePublished - Nov 2 2014
Event2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014 - Chicago, United States
Duration: Aug 26 2014Aug 30 2014

Other

Other2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014
CountryUnited States
CityChicago
Period8/26/148/30/14

Fingerprint

Transceivers
Radio
Radio transmitters
Gait
Walking
Wear of materials
Equipment and Supplies
Walking Speed
Monitoring

ASJC Scopus subject areas

  • Health Informatics
  • Computer Science Applications
  • Biomedical Engineering

Cite this

Jacobs, P., Wan, E. A., Schafermeyer, E., Adenwala, F., Paul, A. S., Preiser, N., & Kaye, J. (2014). Measuring in-home walking speed using wall-mounted RF transceiver arrays. In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014 (pp. 914-917). [6943740] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EMBC.2014.6943740

Measuring in-home walking speed using wall-mounted RF transceiver arrays. / Jacobs, Peter; Wan, Eric A.; Schafermeyer, Erich; Adenwala, Fatema; Paul, Anindya S.; Preiser, Nick; Kaye, Jeffrey.

2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 914-917 6943740.

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

Jacobs, P, Wan, EA, Schafermeyer, E, Adenwala, F, Paul, AS, Preiser, N & Kaye, J 2014, Measuring in-home walking speed using wall-mounted RF transceiver arrays. in 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014., 6943740, Institute of Electrical and Electronics Engineers Inc., pp. 914-917, 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014, Chicago, United States, 8/26/14. https://doi.org/10.1109/EMBC.2014.6943740
Jacobs P, Wan EA, Schafermeyer E, Adenwala F, Paul AS, Preiser N et al. Measuring in-home walking speed using wall-mounted RF transceiver arrays. In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014. Institute of Electrical and Electronics Engineers Inc. 2014. p. 914-917. 6943740 https://doi.org/10.1109/EMBC.2014.6943740
Jacobs, Peter ; Wan, Eric A. ; Schafermeyer, Erich ; Adenwala, Fatema ; Paul, Anindya S. ; Preiser, Nick ; Kaye, Jeffrey. / Measuring in-home walking speed using wall-mounted RF transceiver arrays. 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 914-917
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