• Journal of the Korea Society of Computer and Information
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• v.14 no.1
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• pp.163-171
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• 2009

Precaution is important in cardiac disease above all things. However, current developed tele-monitoring devices limit their communication distance by 100 m and have disadvantage that the device must be activated by the patients themselves. To overcome these shortcomings, we design and implement a cardiac disease management system by sending abnormal ECG signals automatically to the PC in hospital using mobile networks. Experiments show that ECG signals of the patients are transmitted to the database server in hospital without any distortion. Moreover, the amount of SMS data decreased by more than 30% using base64 method than hexadecimal one.