A Novel Deep Learning-based Robust Data Transmission Period Control Framework in IoT Edge Computing System
- Authors
- Han, Jaeseob; Lee, Gyeong Ho; Lee, Joohyung; Kim, Tae Yeon; Choi, Jun Kyun
- Issue Date
- Dec-2022
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Data communication; Data models; data transmission period control; Edge computing; Energy consumption; energy-efficient; Internet of Things; Internet of Things; machine learning; Monitoring; resource optimization; Servers
- Citation
- IEEE Internet of Things Journal, v.9, no.23, pp.23486 - 23505
- Journal Title
- IEEE Internet of Things Journal
- Volume
- 9
- Number
- 23
- Start Page
- 23486
- End Page
- 23505
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86735
- DOI
- 10.1109/JIOT.2022.3203156
- ISSN
- 2327-4662
- Abstract
- This paper proposes a novel deep learning-based robust Internet of Things (IoT) sensor data transmission period control (DL-RDTPC) framework in an IoT edge computing system. In general, as the data transmission period of IoT sensors increases, the energy consumption of IoT sensors is reduced, and contrarily, the amount of un-transmitted data (i.e., missing values) becomes continuously accumulated. Therefore, the IoT server is in charge of accurately imputing these missing data for reliable data analysis. By addressing this issue, we newly design the imputation accuracy prediction (IAP) module, which captures the complicated relationships between the imputation accuracy and the data transmission period, in order to estimate the imputation accuracy, precisely. For constructing the IAP, three sub-modules, which include a stacked bidirectional long-short term memory (Bi-LSTM) model, a multi-head convolutional neural network (CNN), and a neural network-based period information encoding network (PIEN) are leveraged. To balance the trade-off between the imputation accuracy and energy consumption regarding the data transmission period, the multi-objective optimization problem is formulated for minimizing the maximum value of both i) the energy consumption of IoT sensors obtained from the analytical model and ii) the imputation accuracy predicted from IAP module. The optimal solution is consequently obtained by utilizing the bisection search algorithm. Extensive performance evaluations validate the effectiveness of the proposed RDTPC algorithm in terms of both the average energy consumption (maximum 68% reduction) and missing data imputation accuracy (maximum 64% RMSE reduction) over other benchmarks. Finally, this paper provides a practical implementation of the proposed RDTPC framework via the HTTP protocol under the IEEE 802.11-based WLAN network, as well as inter-working with the commercial cloud server. IEEE
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