This paper proposes a wireless network security evaluation method based on Fuzzy-AHP (Analytic Hierarchy Process) with variable weight. In this paper, we first design the evaluation index system based on characteristics of wireless networks, and then analyze each uncertainty measured by the Fuzzy-AHP method, and introduce variable weight theory into Fuzzy-AHP method to address the difficulty of weight decision, overcome the subjectivity of weight decision to some extent and improve the accuracy of evaluation. It is shown in the case study that the method is effective and practical to evaluate security for wireless networks.

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