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http://dx.doi.org/10.6109/jkiice.2021.25.11.1596

Low-Power-Consumption Repetitive Wake-up Scheme for IoT Systems  

Kang, Kai (Dept. of Information Communication Eng., Hannam University)
Kim, Jinchun (Dept. of Computer Science, Kyungsung University)
Eun, Seongbae (Dept. of Information Communication Eng., Hannam University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.25, no.11, 2021 , pp. 1596-1602 More about this Journal
Abstract
Battery-operated IoT devices in IoT systems require low power consumption. In general, IoT devices enter a sleep state synchronously to reduce power consumption. A problem arises when an IoT device has to handle asynchronous user requests, as the duty cycle must be reduced to enhance response time. In this paper, we propose a new low-power-consumption scheme, called Repetitive Wake-up scheme for IoT systems of asynchronous environments such as indoor lights control. The proposed scheme can reduce power consumption by sending wake-up signals from the smartphone repetitively and by retaining the IoT device in sleep state to the smallest possible duty cycle. In the various environments with IoT devices at home or office space, we showed that the proposed scheme can reduce power consumption by up to five times compared to the existing synchronous interlocking technique.
Keywords
IoT; Low-power-consumption; Asynchronous interaction; Repetitive wake-up;
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