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Hybrid channel modelling for ultra-wideband portable multimedia applications

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1 Author(s)
Nasr, K.M. ; BBC Res., British Broadcasting Corp., Kingswood Warren

An efficient approach in modelling the ultra-wideband channel (UWB) by combining deterministic and statistic techniques is presented. The hybrid approach aims at lowering the complexity of modelling the UWB indoor channel by combining simple 2.5D ray tracing and measurement statistics. A UWB measurement campaign in an office environment is reported. The mean signal level and the rms delay spread values obtained from the ray-tracing tool are compared with measurements at several locations in the studied environment. Average statistical difference terms are added to the values of mean signal level and rms delay spread obtained from ray tracing to improve predictions. This approach results in the hybrid model and achieves computational efficiency by eliminating the need of modelling complex details of scatterers in the environment.

Published in:

Microwaves, Antennas & Propagation, IET  (Volume:2 ,  Issue: 3 )