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An Authentication Scheme To Healthcare Security Under Wireless Sensor Networks
Published 2012 · Medicine, Computer Science
In recent years, Taiwan has been seeing an extension of the average life expectancy and a drop in overall fertility rate, initiating our country into an aged society. Due to this phenomenon, how to provide the elderly and patients with chronic diseases a suitable healthcare environment has become a critical issue presently. Therefore, we propose a new scheme that integrates healthcare services with wireless sensor technology in which sensor nodes are employed to measure patients’ vital signs. Data collected from these sensor nodes are then transmitted to mobile devices of the medical staff and system administrator, promptly enabling them to understand the patients’ condition in real time, which will significantly improve patients’ healthcare quality. As per the personal data protection act, patients’ vital signs can only be accessed by authorized medical staff. In order to protect patients’, the system administrator will verify the medical staff’s identity through the mobile device using a smart card and password mechanism. Accordingly, only the verified medical staff can obtain patients’ vital signs data such as their blood pressure, pulsation, and body temperature, etc.. Besides, the scheme includes a time-bounded characteristic that allows the verified staff access to data without having to have to re-authenticate and re-login into the system within a set period of time. Consequently, the time-bounded property also increases the work efficiency of the system administrator and user.