Abstract
The context of this paper is the 3D wave propagation simulation with a software based on a ray tracing technique in typical indoor environments. The presented works are complementary to these of the literature which propose the validation of a propagation model in comparison with measurements. Indeed, the presented study consists of a sensitivity analysis of an already validated propagation model. The considered parameters are electromagnetic, geometric and electric; they directly intervene in the two parts of a simulation: the modelling of the wave propagation and of the environment. The aim of this study is to contribute to the setting up of parameterisation rules of a simulation software according to two criteria: the accuracy and the compromise between accuracy and computation time.
Résumé
Cet article s’inscrit dans le cadre des études de simulation en 3D de la propagation des ondes en environnement intra-immeuble avec un logiciel basé sur une technique de tracé de rayons. Les travaux présentés sont complémentaires de ceux de la littérature qui proposent la validation d’un modèle de propagation par comparaison avec des mesures. En effet, l’étude présentée consiste à réaliser une étude de sensibilité d’un modèle de propagation déjà validé. Les paramètres électromagnétiques, géométriques et électriques qui sont considérés, interviennent directement sur les deux volets de la simulation : la modélisation de la propagation des ondes et de l’environnement. Le but de cette étude est de contribuer à la détermination de règles de paramétrage d’un logiciel de simulation selon deux critères : la précision et le compromis entre la précision et le temps de calcul.
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Vauzelle, R., Pousset, Y. & Escarieu, F. A sensitivity study for an indoor channel. Ann. Télécommun. 59, 713–730 (2004). https://doi.org/10.1007/BF03179694
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DOI: https://doi.org/10.1007/BF03179694