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Title	A Novel Low-Latency And Energy-Efficient Task Scheduling Framework For Internet Of Medical Things In An Edge Fog Cloud System
ID_Doc	3430
Authors	Alatoun K.; Matrouk K.; Mohammed M.A.; Nedoma J.; Martinek R.; Zmij P.
Year	2022
Published	Sensors, 22, 14
DOI	http://dx.doi.org/10.3390/s22145327
Abstract	In healthcare, there are rapid emergency response systems that necessitate real-time actions where speed and efficiency are critical; this may suffer as a result of cloud latency because of the delay caused by the cloud. Therefore, fog computing is utilized in real-time healthcare applications. There are still limitations in response time, latency, and energy consumption. Thus, a proper fog computing architecture and good task scheduling algorithms should be developed to minimize these limitations. In this study, an Energy-Efficient Internet of Medical Things to Fog Interoperability of Task Scheduling (EEIoMT) framework is proposed. This framework schedules tasks in an efficient way by ensuring that critical tasks are executed in the shortest possible time within their deadline while balancing energy consumption when processing other tasks. In our architecture, Electrocardiogram (ECG) sensors are used to monitor heart health at home in a smart city. ECG sensors send the sensed data continuously to the ESP32 microcontroller through Bluetooth (BLE) for analysis. ESP32 is also linked to the fog scheduler via Wi-Fi to send the results data of the analysis (tasks). The appropriate fog node is carefully selected to execute the task by giving each node a special weight, which is formulated on the basis of the expected amount of energy consumed and latency in executing this task and choosing the node with the lowest weight. Simulations were performed in iFogSim2. The simulation outcomes show that the suggested framework has a superior performance in reducing the usage of energy, latency, and network utilization when weighed against CHTM, LBS, and FNPA models. © 2022 by the authors.
Author Keywords	Cardiovascular Disease; ECG sensors; fog computing; health monitoring system; internet of medical things; low-latency; scheduling algorithms; task scheduling

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