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Article Dans Une Revue Future Generation Computer Systems Année : 2019

An energy efficient IoT data compression approach for edge machine learning

Résumé

Many IoT systems generate a huge and varied amount of data that need to be processed and responded to in a very short time. One of the major challenges is the high energy consumption due to the transmission of data to the cloud. Edge computing allows the workload to be offloaded from the cloud at a location closer to the source of data that need to be processed while saving time, improving privacy, and reducing network traffic. In this paper, we propose an energy efficient approach for IoT data collection and analysis. First of all, we apply a fast error-bounded lossy compressor on the collected data prior to transmission, that is considered to be the greatest consumer of energy in an IoT device. In a second phase, we rebuild the transmitted data on an edge node and process it using supervised machine learning techniques. To validate our approach, we consider the context of driving behavior monitoring in intelligent vehicle systems where vital signs data are collected from the driver using a Wireless Body Sensor Network (WBSN) and wearable devices and sent to an edge node for stress level detection. The experimentation results show that the amount of transmitted data has been reduced by up to 103 times without affecting the quality of medical data and driver stress level prediction accuracy.
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Dates et versions

hal-02370471 , version 1 (19-11-2019)

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Joseph Azar, Abdallah Makhoul, Mahmoud Barhamgi, Raphael Couturier. An energy efficient IoT data compression approach for edge machine learning. Future Generation Computer Systems, 2019, 96, pp.168 - 175. ⟨10.1016/j.future.2019.02.005⟩. ⟨hal-02370471⟩
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