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KMID : 1144120150050010001
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Biomedical Engineering Letters
2015 Volume.5 No. 1 p.1 ~ p.9
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Low-power technologies for wearable telecare and telehealth systems: A review
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Wang Changhong
Lu Wei
Narayanan Michael R.
Redmond Stephen J.
Lovell Nigel H.
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Abstract
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Wearable telecare and telehealth systems are those which can be worn on the human body and continuously monitor a user’s vital status. Even though these systems have already shown promise in applications for improving medical service quality and reducing medical costs, a short battery life significantly restricts the widespread use of these systems. Low-power technologies (a general name for technologies which use various approaches to reduce the power consumption of the associated electronics) can help alleviate this disadvantage of wearable telecare and telehealth systems. In this paper, we review recent developments and applications of low-power technologies in wearable telecare and telehealth systems, sorting the various approaches into two categories: hardware-based approaches and firmware-based approaches. This paper focuses on illustrating how to realize these approaches but does not provide a quantitative analysis of different approaches, since the intended applications of these approaches are quite different, hence numeric comparison is not meaningful. Given the proliferation of wearable telecare and telehealth systems, there will be a greater emphasis on the development of low-power technologies in this field.
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KEYWORD
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Low-power, Wearable devices, Telecare and telehealth, Ambulatory monitors
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