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A Simple Calculation Method on Spatial Distribution of Error Occurrence due to ISI Based on the ETP Model--Application to Indoor Propagation Environments
Noriyuki GEJOH Yoshio KARASAWA
IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antenna and Propagation
ETP model, intersymbol interference, multipath fading, indoor propagation, BER map,
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Ray tracing is an efficient method for analyzing transmission characteristic of indoor wireless systems. However for simulating the transmission characteristic, using a path profile obtained by ray tracing, calculation times become enormous and there is no good theoretical model which can link a path analysis result with digital transmission characteristics evaluation. To overcome such problems, in this paper, a simple calculation method on spatial distribution of error occurrence due to intersymbol interference (ISI) based on "the equivalent transmission-path (ETP) model" is proposed. The ETP model is a technique that can simply estimate statistics of errors due to ISI that arise in Rayleigh and Nakagami-Rice fading environments. If a simple calculation method proposed in this paper is used, calculation time of digital transmission characteristics evaluation become tremendously shorter and results of this method agree with those of exact simulations with sufficient accuracy.