Abstract
We model and analyze the infrastructure communication reliability (ICR) of wireless sensor networks (WSN) considering two data delivery models: sink manycast and sink anycast. The evaluation models are developed for WSN with a hierarchical clustered architecture. Nevertheless, the proposed models can be easily adapted for the reliability analysis of WSN with other communication topologies such as mesh, star, and tree. An example of WSN with hierarchical clustered topology is analyzed to illustrate the application of the proposed reliability metrics and evaluation for sink manycast and sink anycast. Reliability results for different data delivery models are also compared and discussed.