LTE-R Communication System Safety Performance Analysis Based on Cloud Theory and Combined Weighting

Jianjun Wu, Ying Huang
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Abstract

To solve the problem of single evaluation method of LTE-R communication system safety performance, a cloud theory and combined weighting method was proposed. Firstly, the index system of LTE-Railway (LTE-R) communication system was established. Secondly, combining with the dynamic weighting method, the subjective & objective weighting values of the evaluation system calculated by 3-scale AHP and CRITIC were fused. Thirdly, by determining the cloud digital characteristics of the comprehensive cloud theory, the cloud evaluation system was established, and then the cloud parameters of each layer of the evaluation system were calculated from bottom to top by the reverse cloud theory. An example showed that the method was feasible and effective.
基于云理论和组合加权的LTE-R通信系统安全性能分析
针对LTE-R通信系统安全性能评价方法单一的问题,提出了一种云理论与加权组合评价方法。首先,建立了LTE-R通信系统的指标体系。其次,结合动态赋权法,将3量表AHP法和CRITIC法计算的评价体系主客观权重值进行融合;第三,通过确定综合云理论的云数字化特征,建立云评价体系,然后利用逆向云理论自下而上地计算评价体系各层的云参数。算例验证了该方法的可行性和有效性。
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