  Industrial environments are considered to be severe from the point of view of
electromagnetic (EM) wave propagation. When dealing with a wide range of
industrial environments and deployment setups, ray-tracing channel emulation
can capture many distinctive characteristics of a propagation scenario.
Ray-tracing tools often require a detailed and accurate description of the
propagation scenario. Consequently, industrial environments composed of complex
objects can limit the effectiveness of a ray-tracing tool and lead to
computationally intensive simulations. This study analyzes the impact of using
different propagation models by evaluating the number of allowed ray path
interactions and digital scenario representation for an industrial environment.
This study is realized using the Volcano ray-tracing tool at frequencies
relevant to 5G industrial networks: 2 GHz (mid-band) and 28 GHz (high-band).
This analysis can help in enhancing a ray-tracing tool that relies on a digital
representation of the propagation environment to produce deterministic channel
models for Indoor Factory (InF) scenarios, which can subsequently be used for
industrial network design.
