Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Fog Computing in Medical Internet-of-Things: Architecture, Implementation and Applications

Version 1 : Received: 25 June 2017 / Approved: 26 June 2017 / Online: 26 June 2017 (06:24:07 CEST)

How to cite: Dubey, H. Fog Computing in Medical Internet-of-Things: Architecture, Implementation and Applications. Preprints 2017, 2017060116. Dubey, H. Fog Computing in Medical Internet-of-Things: Architecture, Implementation and Applications. Preprints 2017, 2017060116.


In the era when the market segment of Internet of Things (IoT) tops the chart in various business reports, it is apparently envisioned that the field of medicine expects to gain a large benefit from the explosion of wearables and internet-connected sensors that surround us to acquire and communicate unprecedented data on symptoms, medication, food intake, and daily-life activities impacting one’s health and wellness. However, IoT-driven healthcare would have to overcome many barriers, such as: 1) There is an increasing demand for data storage on cloud servers where the analysis of the medical big data becomes increasingly complex; 2) The data, when communicated, are vulnerable to security and privacy issues; 3) The communication of the continuously collected data is not only costly but also energy hungry; 4) Operating and maintaining the sensors directly from the cloud servers are non-trial tasks.This book chapter defined Fog Computing in the context of medical IoT. Conceptually, Fog Computing is a serviceoriented intermediate layer in IoT, providing the interfaces between the sensors and cloud servers for facilitating connectivity, data transfer, and queryable local database. The centerpiece of Fog computing is a low-power, intelligent, wireless, embedded computing node that carries out signal conditioning and data analytics on raw data collected from wearables or other medical sensors and offers efficient means to serve telehealth interventions. We implemented and tested an fog computing system using the Intel Edison and Raspberry Pi that allows acquisition, computing, storage and communication of the various medical data such as pathological speech data of individuals with speech disorders, Phonocardiogram (PCG) signal for heart rate estimation, and Electrocardiogram (ECG)-based Q, R, S detection. The book chapter ends with experiments and results showing how fog computing could lessen the obstacles of existing cloud-driven medical IoT solutions and enhance the overall performance of the system in terms of computing intelligence, transmission, storage, configurable, and security. The case studies on various types of physiological data shows that the proposed Fog architecture could be used for signal enhancement, processing and analysis of various types of bio-signals.


big data; body area network;body sensor network;edge computing;Fog Computing; Medical Cyberphysical Systems; medical internet-of-things;telecare; tele-treatment;wearable devices


Computer Science and Mathematics, Computer Networks and Communications

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