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Large-Scale Network Lifetime Inference Based on Universal Scaling Function
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DOI：10.1109/JIOT.2024.3387053.png)
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摘要
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Reliability evaluation of complex network is one of main topics in complex engineering systems, especially for Internet of Things (IoT). The reliability of IoT partially depends on its large-scale network. Especially, the lifetime distribution of large-scale network is critical for its health management. However, the large scale of the network usually leads to an expensive simulation time cost. Instead of direct simulation, we propose a method to infer the large-scale network lifetime using small-scale networks with the universal scaling function (USF). We first find the scaling relationships between network lifetime and network size in a network model with failure coupling for 2-D square lattice network and Cayley tree network. Network lifetime with different size can be described by the USF. Then we perform theoretical analysis to derive the scaling relationships. Finally, we apply these scaling relationships to wireless sensor network with coupled failures in more realistic situation as case study. From the simulation results of smaller scale networks, we can infer the lifetime distribution of large-scale networks based on USF. The computation time and accuracy are compared with standard Monte Carlo simulation which shows that our method is faster and accurate. Our research shows that the proposed method using USFs can help us to infer the lifetime properties of large-scale networks with low-computational cost. Our method can help fast reliability evaluations of large-scale complex networks with high accuracy.
Keyword:
Complex systems
large-scale network
reliability evaluation
universal scaling function (USF)
期刊
IF:
8.9
论文数:
1.4W
被引数:
7.8W
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