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Yuchen Yang

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Proceedings Article | 26 June 2023 Paper

A cascading failure model of communication network with logistic function and node capacity expansion strategy

Yuchen Yang, Yenan Yang, Ziqiang Zeng

Proceedings Volume 12721, 127211P (2023) https://doi.org/10.1117/12.2683579

KEYWORDS: Failure analysis, Telecommunications, Systems modeling, Communication theory, Tolerancing, Telecommunication networks

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There are few uniform models for networks in the real world. This article selects the communication network for study. Usually, when the communication base station exceeds its capacity, a common measure is to transfer the overloaded part of the node to relieve the communication system. This paper introduces the logistic function as the probability function of node failure and develops a cascading failure model with the features of the communication network. Based on the wireless mesh network (WIN) also known as multi-hop mesh network (MHMN) technique to transfer the overloaded part, a new measure which is expanding the node capacity to impact the network vulnerability is discussed. Case study demonstrates the existence of a threshold value for node capacity expansion factor keeping a good balance between cost and network vulnerability and proves the threshold value in the communication network in the real world.

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