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A Wearable Wireless ECG Monitoring System With Dynamic Transmission Power Control for Long-Term Homecare

  • Mobile Systems
  • Published:
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Abstract

This paper presents a wearable wireless ECG monitoring system based on novel 3-Lead electrode placements for long-term homecare. The experiment for novel 3-Lead electrode placements is carried out, and the results show that the distance between limb electrodes can be significantly reduced. Based on the new electrode position, a small size sensor node, which is powered by a rechargeable battery, is designed to detect, amplify, filter and transmit the ECG signals. The coordinator receives the data and sends it to PC. Finally the signals are displayed on the GUI. In order to control the power consumption of sensor node, a dynamic power adjustment method is applied to automatically adjust the transmission power of the sensor node according to the received signal strength indicator (RSSI), which is related to the distance and obstacle between sensor node and coordinator. The system is evaluated when the user, who wears the sensor, is walking and running. A promising performance is achieved even under body motion. The power consumption can be significantly reduced with this dynamic power adjustment method.

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Authors and Affiliations

  1. Chair of Integrated Analog Circuits and RF Systems, RWTH Aachen University, D-52062, Aachen, Germany

    Yishan Wang, Sammy Doleschel, Ralf Wunderlich & Stefan Heinen

Authors
  1. Yishan Wang
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  2. Sammy Doleschel
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  3. Ralf Wunderlich
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  4. Stefan Heinen
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Correspondence to Yishan Wang.

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This article is part of the Topical Collection on Mobile Systems

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Wang, Y., Doleschel, S., Wunderlich, R. et al. A Wearable Wireless ECG Monitoring System With Dynamic Transmission Power Control for Long-Term Homecare. J Med Syst 39, 35 (2015). https://doi.org/10.1007/s10916-015-0223-5

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  • DOI: https://doi.org/10.1007/s10916-015-0223-5

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