Modelling and Analysis of a Sigfox based IoT Network using UPPAAL SMC

Muhammad Naeem, Michele Albano, Kim G. Larsen, Brian Nielsen, Anders Høedholt, Christian Ø. Laursen

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4 Citationer (Scopus)

Abstract

Wireless sensor nodes are usually powered by batteries that have limited energy capacity. In many applications, the nodes are installed in inaccessible locations where they are problematic to replace or recharge. Therefore, energy optimization is crucial for increasing the node's lifetime. This study presents a method for the analysis and prediction of the energy consumption of Sigfox-based wireless sensor nodes. The method is illustrated in a use case where the nodes monitor the water level in drainage lines in cities to improve surface and wastewater management. We propose a formal model-based technique using the UPPAAL statistical model checker tool to model and analyze the node's lifetime. Statistical model checking (SMC) provides a highly scalable technique for the performance analysis of complex cyber-physical systems. The model captures the energy-related behavior of the node, the Sigfox radio specification, and the sensor, each parameterized with values from the device's datasheets. Furthermore, we calibrate the model using measurements obtained from real-world hardware. Finally, we evaluate a collection of strategies to optimize the battery lifetime of the node. We simulate the model with a 10000-mAh battery, and the results indicate that we can extend the node's lifetime from 202 days to 2.71 years using our most optimized transmission strategy.

OriginalsprogEngelsk
TidsskriftIEEE Sensors Journal
Vol/bind23
Udgave nummer10
Sider (fra-til)10577-10587
Antal sider11
ISSN2379-9153
DOI
StatusUdgivet - 15 maj 2023

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