ISSN : 1796-2056
Volume : 3    Issue : 5    Date : May 2008

Wireless Sensor Network for Wearable Physiological Monitoring
P. S. Pandian, K. P. Safeer, Pragati Gupta, D. T. Shakunthala, B. S. Sundersheshu, and V. C. Padaki
Page(s): 21-29
Full Text:
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Wearable physiological monitoring system consists of an array of sensors embedded into the fabric
of the wearer to continuously monitor the physiological parameters and transmit wireless to a
remote monitoring station. At the remote monitoring station the data is correlated to study the overall
health status of the wearer. In the conventional wearable physiological monitoring system, the
sensors are integrated at specific locations on the vest and are interconnected to the wearable data
acquisition hardware by wires woven into the fabric. The drawbacks associated with these systems
are the cables woven in the fabric pickup noise such as power line interference and signals from
nearby radiating sources and thereby corrupting the physiological signals. Also repositioning the
sensors in the fabric is difficult once integrated. The problems can be overcome by the use of
physiological sensors with miniaturized electronics to condition, process, digitize and wireless
transmission integrated into the single module. These sensors are strategically placed at various
locations on the vest. Number of sensors integrated into the fabric form a network (Personal Area
Network) and interacts with the human system to acquire and transmit the physiological data to a
wearable data acquisition system. The wearable data acquisition hardware collects the data from
various sensors and transmits the processed data to the remote monitoring station. The paper
discusses wireless sensor network and its application to wearable physiological monitoring and its
applications. Also the problems associated with conventional wearable physiological monitoring
are discussed.

Index Terms
Wearable monitor, physiological parameters, data acquisition hardware, remote monitoring station,
wireless sensor network