State-space model identification of a wireless THz network
Hadjiloucas, S., Izhac, A., Galvao, R. K. H., Bowen, J. W. and Becerra, V. M. (2004) State-space model identification of a wireless THz network. In: Thumm, M. and Wiesbeck, W. (eds.) Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics. IEEE, New York, pp. 375-376. ISBN 0780384903
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We model the large scale fading of wireless THz communications links deployed in a metropolitan area taking into account reception through direct line of sight, ground or wall reflection and diffraction. The movement of the receiver in the three dimensions is modelled by an autonomous dynamic linear system in state-space whereas the geometric relations involved in the attenuation and multi-path propagation of the electric field are described by a static non-linear mapping. A subspace algorithm in conjunction with polynomial regression is used to identify a Wiener model from time-domain measurements of the field intensity.
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