Intelligent ray launching algorithm for indoor scenarios

Zhihua Lai*, Guillaume De La Roche, Nik BESSIS, Pierre Kuonen, Gordon Clapworthy, Dibin zhou, Jie Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle (journal)peer-review

26 Citations (Scopus)


This article describes the indoor IRLA (Intelligent Ray Launching Algorithm), which originates from an efficient outdoor propagation prediction model. Implementation and validation are given in detail. An indoor office scenario is selected and simulations via the IRLA model and two other reference models have been performed. Predictions are analyzed and recommendations are given. Results show that the indoor IRLA model is suitable for indoor wireless network planning and optimization process.

Original languageEnglish
Pages (from-to)398-408
Number of pages11
Issue number2
Publication statusPublished - 1 Jun 2011


  • In-building network planning
  • Indoor scenarios
  • Intelligent ray launching algorithm
  • Path loss models
  • Radio wave propagation prediction


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