Reliability Evaluation for Wireless Sensor Network Based on Hierarchical Weighted Voting System

A Hierarchical Weighted Voting System (HWVS) model is established to describe the process of data transmission on the wireless sensor network (WSN) whose topology is cluster. A new definitions about reliability of HWVS is presented. Based on universal generating function technique, an algorithm is suggested for evaluating the reliability of HWVS. The proof that suggested algorithm is applicable to HWVS is also presented. At the end of the paper, an example is used to illustrate the process of calculating the reliability of WSN.

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