Abstract

Ultra wideband (UWB) radio technology is becoming very popular for certain short range applications including indoor communications systems, home networks, cordless phones, high speed local area networks, and security sensors in wireless communications. Due to reducing link lengths and higher data rate, the UWB systems need sophisticated propagation models and more precise characterization of the radio channel. In particular, the planning of the coverage in indoor spaces creates design problems without deterministic models. In this paper, the finite difference time domain (FDTD) method is used for time domain electromagnetic modeling of ultra wideband indoor radio channel and prediction of wave propagation through indoor channel. The accuracy of the simulated results for predicting the performance of indoor UWB communication systems is assessed by comparison with the corresponding measured result.

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