Front end design of smartphone-based mobile health

Changfan Zhang; Lingsong He; Zhiqiang Gao; Cong Ling; Jianhao Du

doi:10.1117/12.2180889

6 March 2015 Front end design of smartphone-based mobile health

Changfan Zhang, Lingsong He, Zhiqiang Gao, Cong Ling, Jianhao Du

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 944622 (2015) https://doi.org/10.1117/12.2180889
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

Mobile health has been a new trend all over the world with the rapid development of intelligent terminals and mobile internet. It can help patients monitor health in-house and is convenient for doctors to diagnose remotely. Smart-phone-based mobile health has big advantages in cost and data sharing. Front end design of it mainly focuses on two points: one is implementation of medical sensors aimed at measuring kinds of medical signal; another is acquisition of medical signal from sensors to smart phone. In this paper, the above two aspects were both discussed. First, medical sensor implementation was proposed to refer to mature measurement solutions with ECG (electrocardiograph) sensor design taken for example. And integrated chip using can simplify design. Then second, typical data acquisition architecture of smart phones, namely Bluetooth and MIC (microphone)-based architecture, were compared. Bluetooth architecture should be equipped with an acquisition card; MIC design uses sound card of smart phone instead. Smartphone-based virtual instrument app design corresponding to above acquisition architecture was discussed. In experiments, Bluetooth and MIC architecture were used to acquire blood pressure and ECG data respectively. The results showed that Bluetooth design can guarantee high accuracy during the acquisition and transmission process, and MIC design is competitive because of low cost and convenience.

Citation Download Citation

Changfan Zhang, Lingsong He, Zhiqiang Gao, Cong Ling, and Jianhao Du "Front end design of smartphone-based mobile health", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 944622 (6 March 2015); https://doi.org/10.1117/12.2180889

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