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KMID : 1137820080290040295
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의공학회지
2008 Volume.29 No. 4 p.295 ~ p.301
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Evaluation of CDMA Network Based Wireless 3 Channel ECG Monitoring System
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Hong Joo-Hyun
Cha Eun-Jong
Lee Tae-Soo
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Abstract
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wireless 3 channel ECG monitoring system was developed so that it could monitor the health and movement state during subject’s daily life. The developed system consists of a wireless biomedical signal acquisition device, a personal healthcare server, and a remote medical server. Three experiments were performed to evaluate the accuracy, reliability and operability, applicability during daily life of the developed device. First, ECG signals were measured using the developed device and commercial reference device during sitting and marking time and compared to verify the accuracy of R-R intervals. Second, the reliable data transmission to remote server was verified on two types of simulated emergency event using patient simulator. Third, during five types of motion in daily life, the accuracy of data transmission to remote server using CDMA network was verified on two types of event occurring. By acquiring and comparing subject’s biomedical signal and motion signal, the accuracy, reliability and operability, applicability during daily life of the developed device were verified. In addition, PDA-phone based wireless system enabled subject to be monitored without any constraints. Therefore, the developed system is expected to be applicable for monitoring the aged and chronic diseased people and giving first-aid in emergency.
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KEYWORD
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wireless biomedical signal acquisition device, personal healthcare server, remote medical server, CDMA network
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