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Automatic Cleaning of Time Series Data in Rural Internet of Things Ecosystems That Use Nomadic Gateways
Abstract
A serious limitation to the deployment of IoT solutions in rural areas may be the lack of available telecommunications infrastructure enabling the continuous collection of measurement data. A nomadic computing system, using a UAV carrying an on-board gateway, can handle this; it leads, however, to a number of technical challenges. One is the intermittent collection of data from ground sensors governed by weather conditions for the UAV measurement missions. Therefore, each sensor should be equipped with software that allows for the cleaning of collected data before transmission to the fly-over nomadic gateway from erroneous, misleading, or otherwise redundant data—to minimize their volume and fit them in the limited transmission window. This task, however, may be a barrier for end devices constrained in several ways, such as limited energy reserve, insufficient computational capability of their MCUs, and short transmission range of their RAT modules. In this paper, a comprehensive approach to these problems is proposed, which enables the implementation of an anomaly detector in time series data with low computational demand. The proposed solution uses the analysis of the physics of the measured signals and is based on a simple anomaly model whose parameters can be optimized using popular AI techniques. It was validated during a full 10-month vegetation period in a real Rural IoT system deployed by Gdańsk Tech.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
SENSORS
no. 25,
ISSN: 1424-8220 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Dembski J., Kołakowska A., Wiszniewski B.: Automatic Cleaning of Time Series Data in Rural Internet of Things Ecosystems That Use Nomadic Gateways// SENSORS -Vol. 25,iss. 1 (2025), s.189-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s25010189
- Sources of funding:
-
- Statutory activity/subsidy
- Project Smart rural IoT data acquisition and fusion
- Verified by:
- Gdańsk University of Technology
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