NDLI: Periodic leg movement (PLM) monitoring using a distributed body sensor network

Content Provider	IEEE Xplore Digital Library
Author	Madhushri, P. Ahmed, B. Penzel, T. Jovanov, E.
Copyright Year	2015
Description	Author affiliation: Interdiscipl. Centre of Sleep Med., Charite Universitatsmedizin, Berlin, Germany (Penzel, T.) \|\| Electr. Eng. Dept., Texas A&M Univ. at Doha, Doha, Qatar (Ahmed, B.) \|\| Electr. & Comput. Eng. Dept., Univ. of Alabama in Huntsville, Huntsville, AL, USA (Madhushri, P.; Jovanov, E.)
Abstract	Wireless sensors networks represent the architecture of choice for distributed monitoring due to the ease of deployment and configuration. We developed a distributed sleep monitoring system which combines wireless inertial sensors SP-10C by Sensoplex controlled by a custom smartphone application as an extension of the polysomnographic (PSG) monitor SOMNOscreen plus from Somnomedics. While existing activity monitors are wired to the SOMNOscreen, our system allows the use of wireless inertial sensors to improve user's comfort during sleep. The system is intended for monitoring of periodic leg movements (PLM) and user's activity during sleep. Wireless sensors are placed on ankle and toes of the foot in a customized sock. An Android app communicates with wireless sensors over Bluetooth Smart (BTS) link and streams 3D accelerometer values, 4D unit quaternion values and timestamps. In this paper we present a novel method of synchronization of data streams from PSG and inertial sensors, and original method of detection of PLM events. The system was tested using five experiments of simulated PLM, and achieved 96.51% of PLM detection accuracy.
Starting Page	1837
Ending Page	1840
File Size	895588
Page Count	4
File Format	PDF
ISSN	1557170X
e-ISBN	9781424492718
DOI	10.1109/EMBC.2015.7318738
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-25
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Synchronization Wireless sensor networks Sleep Sensor systems Accelerometers
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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