Abstract
Recently, many Internet of Things (IoT) related applications have been designed to assist industrial development and human beings’ lives. Among these IoT applications, many of them require small amount of data but long distant communication with the features of high-reliability and high level of security. Moreover, since many IoT user equipments (UEs) are powered by batteries, their energy management is an important design consideration. In order to support low-power communication, the 3GPP has proposed two energy-saving mechanisms, i.e., extended Discontinuous Reception (eDRX) and Power Save Mode (PSM). However, how to effectively integrate these two mechanisms to adjust UE’s parameters so that the UE’s energy consumption can be optimal is not an easy task. In this paper, the UE’s energy consumption model by combining eDRX with PSM is investigated and the energy consumption of a UE is also analyzed. According to the Poisson distribution, the uplink and downlink data transmission rates are fused in the energy consumption model. Our simulation results show that for an IoT with small amount of data transmission, the energy consumption can be significantly reduced when setting proper eDRX and PSM parameters.
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Tsai, KL., Leu, FY., Huang, TY., Yang, HE. (2021). IoT Device Power Management Based on PSM and EDRX Mechanisms. In: Barolli, L., Takizawa, M., Enokido, T., Chen, HC., Matsuo, K. (eds) Advances on Broad-Band Wireless Computing, Communication and Applications. BWCCA 2020. Lecture Notes in Networks and Systems, vol 159. Springer, Cham. https://doi.org/10.1007/978-3-030-61108-8_24
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DOI: https://doi.org/10.1007/978-3-030-61108-8_24
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