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2015 ; 2
(5
): 118-22
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Optical wireless connected objects for healthcare
#MMPMID26609417
Toumieux P
; Chevalier L
; Sahuguède S
; Julien-Vergonjanne A
Healthc Technol Lett
2015[Oct]; 2
(5
): 118-22
PMID26609417
show ga
In this Letter the authors explore the communication capabilities of optical
wireless technology for a wearable device dedicated to healthcare application. In
an indoor environment sensible to electromagnetic perturbations such as a
hospital, the use of optical wireless links can permit reducing the amount of
radio frequencies in the patient environment. Moreover, this technology presents
the advantage to be secure, low-cost and easy to deploy. On the basis of
commercially available components, a custom-made wearable device is presented,
which allows optical wireless transmission of accelerometer data in the context
of physical activity supervision of post-stroke patients in hospital. Considering
patient mobility, the experimental performance is established in terms of packet
loss as a function of the number of receivers fixed to the ceiling. The results
permit to conclude that optical wireless links can be used to perform such mobile
remote monitoring applications. Moreover, based on the measurements obtained with
one receiver, it is possible to theoretically determine the performance according
to the number of receivers to be deployed.
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