Method and system for broadcasting information from a satellite
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United States of America Patent
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app pub date -
Mar 8, 2004
filing date -
Sep 14, 2001
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Abandoned
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Abstract
The invention concerns a method for reducing mutual interference of a digital data transmission or broadcast from a satellite to terrestrial receivers and terrestrial network links using sub-bands each of specific and narrow frequency, belonging to an extended band, the sub-bands being assigned to different terrestrial zones wherein the links are provided. Therefor, the information from the satellite is converted in the form of digital symbols and the digital symbols are distributed over several carriers belonging to a group of carriers distributed in a channel assembly covering at least four of the frequency sub-bands, by spread spectrum.
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