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Wireless devices for ambulatory ECG monitoring are becoming increasingly popular. One of the challenges that wireless monitoring has to deal with is clock synchronization between the wireless sensor device and the controller device. The monitoring device is usually kept as simple as possible to maximize its autonomy, and is thus limited in its clock accuracy. In this article, we describe a method...
Wearable Monitoring Systems recording vital signs as the Electrocardiogram (ECG) or the Photoplethysmogram (PPG) have become very popular and are widely spread since the last decade. Numerous heart rate monitors, pulseoximeters, step counters or activity recorders are commercially available and already play an important role in common everyday lives. However, synchronicity among multiple devices,...
This paper describes wireless wearable and ambient sensors that cooperate to monitor a person's vital signs such as heart rate and blood pressure during daily activities. Each wearable sensor is attached on different parts of the body. The wearable sensors require a high sampling rate and time synchronization to provide a precise analysis of the received signals. The trigger signal for synchronization...
Compared with other mature wireless technology, Bluetooth technology has many properties, such as short-distance convenience communications and devices controlling. The central technology of this paper is Bluetooth wireless communication technology, which is based on portable ambulatory ECG device and smart phones. Such systems could provide an original and flexible wireless monitoring scheme for...
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