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An analysis of DTV propagation into and within a room in a domestic environment

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2 Author(s)
C. G. Eilers ; Zenith Electron. Corp., Lincolnshire, IL, USA ; G. Sgrignoli

A window in a room within a domestic environment in a structure with aluminum siding is analyzed with respect to its radiating properties. The window is modeled as a rectangular aperture, which diffracts the distant horizontally polarized signal from a DTV transmitting antenna into the environment of the room. The diffraction signal, also horizontally-polarized, is combined with the distant signal, which penetrates the aluminum siding at some loss, and thereby a field distribution within the room is created. The window-diffracted signal is almost entirely a near field (Fresnel zone) within the room while the distant field is a far field (Fraunhofer zone) within the room. Various locations within the room are examined with respect to echoes, with and without scattering (human) bodies. A receiving antenna is positioned at the locations examined

Published in:

IEEE Transactions on Broadcasting  (Volume:48 ,  Issue: 1 )