NDLI: Energy-efficient and data synchronized body sensor network for physical activity measurement

Content Provider	IEEE Xplore Digital Library
Author	Lingfei Mo Shaopeng Liu Gao, R.X. Freedson, P.S.
Copyright Year	2013
Description	Author affiliation: Dept. of Kinesiology, Univ. of Massachusetts, Amherst, MA, USA (Freedson, P.S.) \|\| Sch. of Instrum. Sci. & Eng., Southeast Univ., Nanjing, China (Lingfei Mo) \|\| GE Global Res., Niskayuna, NY, USA (Shaopeng Liu) \|\| Dept. of Mech. Eng., Univ. of Connecticut, Storrs, CT, USA (Gao, R.X.)
Abstract	Measurement of human physical activity (PA) is important for assessing the health state. A wireless multi-sensor integrated measurement system (WIMS) has been designed for measurement of the activity types and intensities of human subjects under free-living conditions. To address challenges posted by the limited battery life and asynchronous data among multiple sensors in the WIMS system, a ZigBee-based wireless platform has been designed, prototyped, and experimentally evaluated. Multi-Data-Packaging and Slot-Data-Synchronization algorithms have been developed improved energy efficiency. Experiments have shown that the design enables continued operation of the wearable system for over 30 hours, with data synchronization error among the various sensor nodes being less than 6 ms. The results demonstrate the effectiveness of the energy-efficient wireless design for human physical activity monitoring.
Sponsorship	IEEE Instrum. Meas. Soc.
Starting Page	1120
Ending Page	1124
File Size	508218
Page Count	5
File Format	PDF
ISBN	9781467346214
ISSN	10915281
e-ISBN	9781467346238
DOI	10.1109/I2MTC.2013.6555588
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Hip Synchronization Wrist Energy efficiency Wireless communication Wireless sensor networks data synchronization Physical activity
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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