A H-QoS-demand personalized home physiological monitoring system over a wireless multi-hop relay network for mobile home healthcare applications |
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| Authors: | Chien-Chih Lai Ren-Guey Lee Chun-Chieh Hsiao Hsin-Sheng Liu Chun-Chang Chen |
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| Affiliation: | aDepartment of Electronic Engineering, National Taipei University of Technology, Taipei 10608, Taiwan;bDepartment of Computer Information and Network Engineering, Lunghwa University of Science and Technology, Taoyuan 33306, Taiwan;cDepartment of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan;dInformation & Communications Research Laboratories, Industrial Technology Research Institute, Hsinchu 31040, Taiwan |
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| Abstract: | For the elderly and chronic patients with cardiovascular disease who live alone, it is necessary to constantly monitor their physiological parameters, especially the electrocardiogram (ECG), to effectively prevent and control their health condition and even to provide urgent treatment or care while an emergency such as the abnormal variation of heart rate (HR) occurs. In this paper, a wireless in-home physiological monitoring system, based on multi-hop relay communications, which can ubiquitously and continuously monitor the patient's ECG at any time or any place at home without space limit and the “dead spot” due to the extended communication coverage by multi-hop wireless connectivity, is proposed. The system consists of a mobile-care device, which is responsible for capturing and wirelessly sending the patient's ECG data, a wireless multi-hop relay network (WMHRN) that is in charge of relaying the data sent by the former, and a residential gateway (RG), which is responsible for gathering and uploading the received ECG data to the remote care server through the Internet to carry out the patient's health condition monitoring and the management of pathological data. However, in order to assure that the ECG data can be effectively and timely forwarded, from the mobile-care device to the RG through the WMHRN, to meet the healthcare quality of service (H-QoS) demand for reliable and real-time end-to-end ECG transmission, the analysis of WMHRN latency in data-forwarding stage and the deployment consideration of wireless relay nodes are investigated in detail in this work. Moreover, an emergency alert service using short message service (SMS), based on the detection of abnormal variation of HR, is also used in the RG to further enhance the healthcare service quality. A prototype of this system has been developed and implemented. Finally, the experimental results are presented to verify the feasibility of the proposed system. |
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| Keywords: | Home healthcare Telehomecare Mobile care Healthcare informatics Physiological monitoring Health monitoring Healthcare quality of service (H-QoS) Electrocardiogram (ECG) Long-term Wireless Multi-hop relay network |
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