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

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 o...

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Bibliographic Details
Published in:IEEE transactions on broadcasting 2002-03, Vol.48 (1), p.1-9
Main Authors: Eilers, C.G., Sgrignoli, G.
Format: Article
Language:English
Subjects:
Aluminum
Antennas
Aperture antennas
Applied sciences
Diffraction
Diffraction, scattering, reflection
Digital TV
Domestic
Exact sciences and technology
Far fields
Fresnel reflection
Humans
Polarization
Radiocommunications
Radiowave propagation
Receiving
Receiving antennas
Scattering
Siding
Telecommunications
Telecommunications and information theory
Transmission
Transmitting antennas
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Summary: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.
ISSN:0018-9316
1557-9611
DOI:10.1109/11.992848