Deterministic channel modeling and performance simulation of microcellular wide-band communication systems

Claude Oestges, Bruno Clerckx, Lidwine Raynaud, Danielle Vanhoenacker-Janvier

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

To evaluate the performance of future microcellular IMT-2000 modems, simple physical models are required, so that a number of system characteristics, such as the signal bandwidth, the antenna beamwidth, or the base station height can be accounted for at a limited computational cost. This paper describes a deterministic three-dimensional electromagnetic model, which allows simulation of the radiowave propagation for microcellular wide-band communication systems in urban areas. The model is based on a DTD ray-tracing tool and makes use of an improved mirror method. Simulated power-delay profiles are plotted against measured power-delay profiles recorded at 1.87 GHz in a street of Louvain-la-Neuve, Belgium, by means of an 80-MHz channel sounder. Despite several discrepancies, a satisfying matching is found considering three orders of reflection and single diffraction. Predictions of rms delay-spread accounting for the sounder limited bandwidth are presented. Finally, simulated and measured channels are also compared through the resulting performance of a typical IMT-2000 service in the presence of multiple access interference.

Original languageEnglish
Pages (from-to)1422-1430
Number of pages9
JournalIEEE Transactions on Vehicular Technology
Volume51
Issue number6
DOIs
Publication statusPublished - 2002 Nov

Keywords

  • Communications system performances
  • Ray tracing
  • Wide-band radio channel measurements

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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