A Dynamic Model of the Indoor Channel

Authors:
Jesper Ødum Nielsen;Valentine Afanassiev;Jørgen Bach Andersen
Affiliations:
Center for PersonKommunikation, Aalborg University, Fredrik Bajers Vej;Institute for Problems of Information Transmission, Bolshoj Karetnyj 19, Moscow, Russia;Center for PersonKommunikation, Aalborg University, Fredrik Bajers Vej 7A, 9220 Aalborg Ø, Denmark
Venue:
Wireless Personal Communications: An International Journal
Year:
2001

Citing 1
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Abstract

This paper proposes a new approach to modeling the radio channel experienced by transceivers moving in an indoor environment. For modeling the time-varying impulse response (IR) a randomly time-varyingpower-delay profile (PDP) is used, which enables the use of PDPs specific to local environments while widely different environments still can be included in the model. The PDPs are expanded in terms of so-called cluster functions modeling ray scattering on major physical objects in the environment. By using random weighting of the cluster functions, transceiver movements in some imaginary environment is modeled. In addition to the new model, the paper also presents results obtained from measurements of the indoor channel. A good agreement is found between measurement and model data, and thus the concepts applied in the new model seem to be useful in practice.